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AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus

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2014/11/16 02:32:10 (permalink)

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    Vlada011
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/16 05:50:10 (permalink)
    AMD think serious about Stacked RAM...second innovation after DX11.
    I hope NVIDIA will give answer before 2016.
    At the end only performance are important.
     

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    kougar
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/16 07:09:34 (permalink)
    It was discussed with some HBM details at http://wccftech.com/amd-20nm-r9-390x-feautres-20nm-hbm-9x-faster-than-gddr5/
     
    Vlada011I hope NVIDIA will give answer before 2016.



    NVIDIA already gave their answer, they were the first to announce they would be integrating the memory as the equivalent of eDRAM right onto the GPU package. Exactly what Intel is doing today with Iris Pro graphics and it's on-package "L4" eDRAM cache. Tech Report has details at http://techreport.com/new...ry-nvlink-interconnect
     


    Have water, will cool. 
    #3
    HAZMAN_THE_GREAT
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/16 08:52:01 (permalink)
    We all need our 512bit memory bus already. AHHHHH I am tired of 256bit cards and a little bit of 384bit cards. I bet more people would buy their cards if they do come out with 512 bit. For example I am sure you all know that a lot of people on this forum are waiting for Nvidia to release their 384bit cards over these 256bit 980 and 970 cards.  And before anyone gets on my case and says that its expensive for these companies to make a 512bit card, you can put your fist in your mouth. Its so cheap to make hardware now days with all those Chinese slaves that these computer manufactures exploit from. Its just that they are going to price gouge the hell out of a 512bit card.


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    lehpron
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/16 13:08:40 (permalink)
    I don't know, these rumors are starting to seem off-the-wall like the upcoming AMD card is taking on an "Area 51" persona of anything we want to believe, leading to fear and hope (hype).   That said, I can see how the stacked Vram can imply just adding up the interface widths, just like how marketing likes to add interface and Vram in dual-GPU cards.  But see, none of this matters if the Fiji-XT GPU can't beat GM200; which is partly why I don't get the hysteria over memory bus widths.  I think they'll end up with the same performance.
     
    Sure, a slower GPU could hypothetically match a faster GPU with a lower bandwidth, but who would get a graphics card with a 20GHz Vram at 128-bit making 320GB/s, just to prove a point?  
     
    HAZMAN_THE_GREAT
    We all need our 512bit memory bus already. AHHHHH I am tired of 256bit cards and a little bit of 384bit cards. 
    Both GTX980 and GTX770 have the same bandwidth (7GHz at 256-bit = 224GB/s), yet the performance is almost double on the Maxwell card.  So the GPU was doing all the work, bandwidth didn't need to change.  Even HD7970 had both a higher interface width and more Vram than GTX680, and couldn't beat it.  It is like you're hinged on the wrong concept.
     
     
    AMD uses 512-bit on their R9-290X, but at a slower 5.5GHz because of power issues.  Well 5.5GHz x 512 ÷ 8 = 352GB/s.  Can a 384-bit interface reach this bandwidth?  Yes, if the clocks were raised to 7.33GHz-- very practical on nVidia's side and reached by many with GTX780 Ti's and Titan Blacks.  We didn't need 512-bit just to beat AMD's bandwidth.  Like I said above, if Fiji-XT isn't faster than GM200, none of this matters.
     
    AMD's stacked memory tech makes more sense with their desktop APUs limited to 128-bit system RAM.

    For Intel processors, 0.122 x TDP = Continuous Amps at 12v [source].  

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    #5
    rjohnson11
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/17 00:04:12 (permalink)
    Related news:
     
    SK Hynix begins shipping its next-gen 8GHz GDDR5 HBM memory

    http://www.tweaktown.com/...-hbm-memory/index.html

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    kougar
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/17 00:53:59 (permalink)
    HAZMAN_THE_GREAT
    We all need our 512bit memory bus already. AHHHHH I am tired of 256bit cards and a little bit of 384bit cards. I bet more people would buy their cards if they do come out with 512 bit. For example I am sure you all know that a lot of people on this forum are waiting for Nvidia to release their 384bit cards over these 256bit 980 and 970 cards.  And before anyone gets on my case and says that its expensive for these companies to make a 512bit card, you can put your fist in your mouth. Its so cheap to make hardware now days with all those Chinese slaves that these computer manufactures exploit from. Its just that they are going to price gouge the hell out of a 512bit card.




    The GTX 280 and 285 had a 512bit interface. So did the terrible HD 2900 series. It's been done before and it's nothing special, as lephron points out it's the total memory bandwidth that matters. And ya should get your facts straight, the bus width directly (greatly) affects the size and complexity of the GPU core silicon, that's what makes it expensive to build a 512bit-wide design. As it's part of the core silicon it also means it's TSMC that builds it, not factory workers in China. ;) 


    Have water, will cool. 
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    Vlada011
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/17 01:37:45 (permalink)
    HAZMAN_THE_GREAT
    We all need our 512bit memory bus already. AHHHHH I am tired of 256bit cards and a little bit of 384bit cards. I bet more people would buy their cards if they do come out with 512 bit. For example I am sure you all know that a lot of people on this forum are waiting for Nvidia to release their 384bit cards over these 256bit 980 and 970 cards.  And before anyone gets on my case and says that its expensive for these companies to make a 512bit card, you can put your fist in your mouth. Its so cheap to make hardware now days with all those Chinese slaves that these computer manufactures exploit from. Its just that they are going to price gouge the hell out of a 512bit card.




    I will not buy NVIDIA cards under 8GB and 512bit.
    Maybe 384bit 6GB if performance are stronger than Radeon and about 50% stronger than full GK110.
    Than maybe... But if AMD not improve performance lot they can put what they want... Years we had cards with double more memory than need, 580 3GB, 5870 2GB, 7970 6GB 384bit and she is still weaker than GTX680 2GB 256bit, if no GPU Performance...
    Memory can be good to avoid limitation and little to help with higher resolution, nothing else. 

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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/17 08:59:58 (permalink)
    Vlada011
    HAZMAN_THE_GREAT
    We all need our 512bit memory bus already. AHHHHH I am tired of 256bit cards and a little bit of 384bit cards. I bet more people would buy their cards if they do come out with 512 bit. For example I am sure you all know that a lot of people on this forum are waiting for Nvidia to release their 384bit cards over these 256bit 980 and 970 cards.  And before anyone gets on my case and says that its expensive for these companies to make a 512bit card, you can put your fist in your mouth. Its so cheap to make hardware now days with all those Chinese slaves that these computer manufactures exploit from. Its just that they are going to price gouge the hell out of a 512bit card.




    I will not buy NVIDIA cards under 8GB and 512bit.
    Maybe 384bit 6GB if performance are stronger than Radeon and about 50% stronger than full GK110.
    Than maybe... But if AMD not improve performance lot they can put what they want... Years we had cards with double more memory than need, 580 3GB, 5870 2GB, 7970 6GB 384bit and she is still weaker than GTX680 2GB 256bit, if no GPU Performance...
    Memory can be good to avoid limitation and little to help with higher resolution, nothing else. 




    Looks like YOUUUU missed the memo: http://hexus.net/tech/rev...x-vapor-x-8gb/?page=12


     
    #9
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/18 16:54:38 (permalink)
    Bandwidth means nothing if the card cant deliver the performance.

     
     
    #10
    the_Scarlet_one
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/18 18:20:54 (permalink)
    HAZMAN_THE_GREAT
    We all need our 512bit memory bus already. AHHHHH I am tired of 256bit cards and a little bit of 384bit cards. I bet more people would buy their cards if they do come out with 512 bit. For example I am sure you all know that a lot of people on this forum are waiting for Nvidia to release their 384bit cards over these 256bit 980 and 970 cards.  And before anyone gets on my case and says that its expensive for these companies to make a 512bit card, you can put your fist in your mouth. Its so cheap to make hardware now days with all those Chinese slaves that these computer manufactures exploit from. Its just that they are going to price gouge the hell out of a 512bit card.




    I don't think "more people would buy them" just because of a new bus, simply because they can't be created fast enough with a 256 bit bus at this time. Aside from that part... Yes.
    #11
    Fennicillin
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/18 18:48:02 (permalink)
    Conventional 512 bit buses are too expensive for the theoretical performance increase.

     
     
    #12
    Vlada011
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/26 11:45:11 (permalink)
    Don't buy graphics card before NVIDIA/AMD show their claws, rule is old.
     
    Looks like AMD think serious to destroy everything except GM210...
    They people think serious, NVIDIA more calculate and will rather risk and tweak performance only 10% over AMD and if lose to launch one more card. 
     
    http://www.guru3d.com/news-story/amd-radeon-r9-380x-performance-numbers-surface.html
     

     

     
    Performance difference between GTX980 is best to compare if you look how much is stronger GTX980 than R9-290X.
    We talk about double bigger difference example or something close. 35-40% stronger than reference GTX980.
    That's reason why no GTX980 8GB. In this story is completely pointless with 256bit.
    Now is time on NVIDIA, to launch GM210 or to drop price. AMD go with 8GB default probably. 
    MSI or ROG will bring nice 50-55% difference with R9-390X Lightening/Matrix vs GTX980 reference.
    About memory side is even stupid to talk but now is time for NVIDIA, nothing less than GM210 on June/July must be finished.
    But this is not their strongest model. AMD without half KW consumption will not launch premium card.
    NVIDIA angry many people, gamers and developers while they offer Titan Z weaker than R9-295X for 3000$.
    Now they prey to AMD beat them only to force NVIDIA to offer best they can for normal price. 
    That 3000$ was one non-sense stupidity as someone fall from Mars without any touch with reality.
    Because only excellent Radeon can bring us GM210 or NVIDIA will calculate first with some weaker chip in 28nm with 384bit and 6GB.
     
     
     
     
    post edited by Vlada011 - 2014/11/26 11:59:49

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    #13
    rjohnson11
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/26 12:32:17 (permalink)
    Well NVIDIA has never let AMD stand in 1st place for any long length of time. AMD also needs to make sure that their price is competitive and that they also have worked out the GPU heat issues.

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    Vlada011
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/26 13:23:54 (permalink)
    I hope NVIDIA will win and this time.
    OK people could beat and with series 900 that new R9-390X but for 720$.
    With GTX970 FTW SLI. 
    Now any way to Radeon to win over that even with OC.
    But NVIDIA scrimp with Video Memory, keep that as...
    When they launch GTX580 3GB that was as GTX970 12GB now. 
    Probably they are not sure what to decide, for one card 8GB on GTX980 is nothing special, but with SLI could be recommended for 12 months.
    But later if they drop price for GTX980 on 400$ for SLI such setup from performance side is at least on 2-3 years.
    Game developers could brake a little with memory usage and to limit that on 4GB in next games.
    post edited by Vlada011 - 2014/11/26 13:32:50

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    #15
    seth89
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/26 14:26:05 (permalink)
    I think AMD will knock this next line up out of the park. The price on the R9 cards was very low ( as we all remember the 290x was $500 and performed like a $1,500 Titan). I think (hope) with this next batch AMD will keep the same low pricing and get heat/power under control.
     
    Any rumors about stock water coolers?




    #16
    Brad_Hawthorne
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/26 17:41:48 (permalink)
    Fennicillin
    Bandwidth means nothing if the card cant deliver the performance.


    Bandwidth is half the equation.
    #17
    Vlada011
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/26 19:49:41 (permalink)
    It's to early to say anything about water-blocks or what will be NVIDIA answer.
    If NVIDIA follow performance scaling per CUDA core as with GM204 they need about 3000 CUDA for 50% stronger card than GTX980.
    But I suggest when both cards show up to people wait little because this power consumption for AMD smell me on space for 20-30% improvements. Same what NVIDIA done with GK110 and GTX780Ti. AMD will rather increase power consumption on 250-300W and working close to 90C than leave crown to NVIDIA.
    Everything could happen, fast R9-390XT, R9-395X as single card and GM210 6 months after GM200.
    AMD enter in new production process  and new Video Memory they have more space for tactics if they planned and deal for production of 2 graphic processors in 20nm.
    I think that NVIDIA should answer with best they can from Maxwell architecture and to easy start to plan 20 or 16nm what they think it's better.
    When I say best I mean without calculation how much memory and how much performance, enough for next 2 years for both, 8 or 12GB is best.
     
    One more thing...
    When card show up Performance on 2560x1440p will be 15-25% higher than GTX980, nothing more.
    NVIDIA could reach that with 3000 CUDA if throw out what they know to do and then will stay question...
    Is it 190-200W power consumption last AMD offer or maybe 250-300W???
    post edited by Vlada011 - 2014/11/26 20:52:46

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    #18
    candle_86
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/28 23:18:18 (permalink)
    lehpron
    I don't know, these rumors are starting to seem off-the-wall like the upcoming AMD card is taking on an "Area 51" persona of anything we want to believe, leading to fear and hope (hype).   That said, I can see how the stacked Vram can imply just adding up the interface widths, just like how marketing likes to add interface and Vram in dual-GPU cards.  But see, none of this matters if the Fiji-XT GPU can't beat GM200; which is partly why I don't get the hysteria over memory bus widths.  I think they'll end up with the same performance.
     
    Sure, a slower GPU could hypothetically match a faster GPU with a lower bandwidth, but who would get a graphics card with a 20GHz Vram at 128-bit making 320GB/s, just to prove a point?  
     
    HAZMAN_THE_GREAT
    We all need our 512bit memory bus already. AHHHHH I am tired of 256bit cards and a little bit of 384bit cards. 
    Both GTX980 and GTX770 have the same bandwidth (7GHz at 256-bit = 224GB/s), yet the performance is almost double on the Maxwell card.  So the GPU was doing all the work, bandwidth didn't need to change.  Even HD7970 had both a higher interface width and more Vram than GTX680, and couldn't beat it.  It is like you're hinged on the wrong concept.
     
     
    AMD uses 512-bit on their R9-290X, but at a slower 5.5GHz because of power issues.  Well 5.5GHz x 512 ÷ 8 = 352GB/s.  Can a 384-bit interface reach this bandwidth?  Yes, if the clocks were raised to 7.33GHz-- very practical on nVidia's side and reached by many with GTX780 Ti's and Titan Blacks.  We didn't need 512-bit just to beat AMD's bandwidth.  Like I said above, if Fiji-XT isn't faster than GM200, none of this matters.
     
    AMD's stacked memory tech makes more sense with their desktop APUs limited to 128-bit system RAM.




    Its the HD2900XT speculation all over again, now lets hope it doesn't turn out the same way as the 2900XT
    #19
    Vlada011
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/29 12:44:05 (permalink)
    AMD pull NVIDIA in trap. I feel that. They will prepare 2 chips in 20nm at least with HBM memory in first half or 2015.
    They will offer and graphic card with 400W power consumption if need only to win for 5%.
    If their processor need 300W for 4.8GHz only to offer at least some performance similar to
    Intel why is not possible to their card work same on 300W if that bring crown over NVIDIA.
    Situation will be more clear in February/March. 
     

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    #20
    candle_86
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/29 17:58:21 (permalink)
    rjohnson11
    Well NVIDIA has never let AMD stand in 1st place for any long length of time. AMD also needs to make sure that their price is competitive and that they also have worked out the GPU heat issues.




    AMD no, ATI yes.
     
    ATI took the crown in 2004 with the X800XT PE stood atop the 6800 for a year, until the 7800GTX.
    #21
    Vlada011
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/29 19:40:46 (permalink)
    It would be bad if AMD launch their super card with 8GB for some 600-650e.
    People with 144Hz will suffer with NVIDIA...not all of them, but everybody except Titan Black SLI owners, TITAN Z owners and maybe 3 way GTX780 6GB owners... I don't know what people think to do with 4GB and 120Hz monitors, their GPU performance will eat all memory and GPU will work on 70% when memory hit limit, plus 256bit. NVIDIA really think 6-8 month in future. AMD had excuse for R9-290X 4GB they launch cards before one year but NVIDIA launch before 3 months 4GB card and GTX780Ti after R9-290X more powerful but with less video memory. I mean their thinking is terrible.  OK we could say they launch pure mid range graphic now series 900, but they didn't leave place for guys with SLI.
    AMD I can bet they thought to launch reference board with Hawaii R9-290X 8GB but didn't because price, only 5 months later and they would done that. From other side NVIDIA launch monster with 3GB. They could launch and with 2GB only specification didn't allow that.
    They don't think nothing on long time. People with GTX770 2GB... I don't know what to say. Example GTX770 2GB SLI... Chaos.
    I turned Battlefield 4 on default settings ULTRA everything 1920x1080 and 100-120% resolution scale 2200 Memory Usage... From other side someone with GTX770 2GB SLI probably have more power than me, but need to play on texture mid because memory. But if we look GPU they could pull more than 100fps, but no more memory... That suppose to be configuration enough for next 15-20 months, not any more because video memory. 
    I think NVIDIA should gave up from such decision in future.
    It's time for overkill for low price for change...   ...example 12GB and 50% stronger than GTX980 for 700$.
     
     
     
     
    post edited by Vlada011 - 2014/11/29 19:59:06

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    #22
    Baltothewolf
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/29 22:19:47 (permalink)
    Vlada011
    It would be bad if AMD launch their super card with 8GB for some 600-650e.
    People with 144Hz will suffer with NVIDIA...not all of them, but everybody except Titan Black SLI owners, TITAN Z owners and maybe 3 way GTX780 6GB owners... I don't know what people think to do with 4GB and 120Hz monitors, their GPU performance will eat all memory and GPU will work on 70% when memory hit limit, plus 256bit. NVIDIA really think 6-8 month in future. AMD had excuse for R9-290X 4GB they launch cards before one year but NVIDIA launch before 3 months 4GB card and GTX780Ti after R9-290X more powerful but with less video memory. I mean their thinking is terrible.  OK we could say they launch pure mid range graphic now series 900, but they didn't leave place for guys with SLI.
    AMD I can bet they thought to launch reference board with Hawaii R9-290X 8GB but didn't because price, only 5 months later and they would done that. From other side NVIDIA launch monster with 3GB. They could launch and with 2GB only specification didn't allow that.
    They don't think nothing on long time. People with GTX770 2GB... I don't know what to say. Example GTX770 2GB SLI... Chaos.
    I turned Battlefield 4 on default settings ULTRA everything 1920x1080 and 100-120% resolution scale 2200 Memory Usage... From other side someone with GTX770 2GB SLI probably have more power than me, but need to play on texture mid because memory. But if we look GPU they could pull more than 100fps, but no more memory... That suppose to be configuration enough for next 15-20 months, not any more because video memory. 
    I think NVIDIA should gave up from such decision in future.
    It's time for overkill for low price for change...   ...example 12GB and 50% stronger than GTX980 for 700$.


    But then the NVIDIA suckers would keep their cards for longer then 6 months :O!!! NVIDIA doesn't want that, they want to be able to shell out 'faster' cards every 6 months and people WILL upgrade!

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    #23
    Vlada011
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/29 22:53:54 (permalink)
    Yes, because of that they launch GTX970 and GTX980 now, 10% stronger than GTX780Ti and with 1GB more memory.
    They couldn't launch with 384bit... that would be too much memory for people and it's too funny to offer only 3GB. If they build 980 384bit 6GB people could keep up to end of 2016, that's not acceptable. They must stay without memory in middle of 2015 and upgrade two times for every architecture. 
     
     
     
     
     
     
     

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    #24
    fanboy
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/30 09:14:42 (permalink)
    AMD is so good at disinformation as many of you think Fiji-XT is the 390X.. well it's not as Fiji-XT is the refresh of Hawaii XT > 380X (full fat) built by GF ..it's unknown what AMD has done to the Hawaii core to drop 82 watts other then GF fab has less leakage but that benchmark is by Fiji-XT 380X as the 390X is Bermuda core and saving 82 watts in there design allows AMD more room for Bermuda to run at 250-300watt and the reason for the watercooling but with the power savings for HBM it makes me wonder much juice the 390X core is being feeded to need water cooling.
    post edited by fanboy - 2014/11/30 09:17:32


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    #25
    Vlada011
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/11/30 19:39:51 (permalink)
    We don't know for sure exactly number of CUDA for big Maxwell.
    from 2000 CUDA to 3000 in theory improvements could be 50%.
    Maybe even NVIDIA offer close to that with aggressive boost optimization and if forget little on 80C limit and power consumption.
    But if this round finish bad for NVIDIA they could blame only self, not customers if they delay upgrade.
    Because after AMD R9-290X NVIDIA present 4 cards for premium and high price from up to 1000$, GTX780Ti, Titan Black, GTX970/GTX980 and Titan Z as dual card as 5th. Cheapest and most expensive card performance are very similar.
    AMD knew if NVIDIA launch full GK110 they lose battle and they immediately had plans for innovations and smaller chip for one year. NVIDIA didn't, NVIDIA lose time to win because they cut 300 CUDA from GTX780 and they should fix that, to offer card with 6GB memory, to present GTX970 and GTX980 for 350-700$, to offer Titan Z for 3000$. That was examination of brain among their customers. It's OK most of people pass test and force NVIDIA to drop price or who knows next could be 5000$. Now picture is completely different when Titan Z is about 1500$ but they should immediately to offer for similar price and now easy to drop on 1200-1300$.
    Because of that I think story about 16nm is because NVIDIA late to offer 20nm in same time as AMD.
    At the end we will see, Firestrike ULTRA will tell us everything, 20 or 28 or 16nm is less important but we will see.
    That new memory on AMD maybe bring big difference when we talk about textures in games and fps maybe not.
    I think without 512bit and 8GB and 50% improvements over GTX980 NVIDIA could start to make white flag and to work on 16nm process immediately fast. But if AMD present only 15% stronger card that "Captain Jack" they lose battle no matter on anything.
     
     

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    #26
    huf757
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/12/01 12:12:56 (permalink)
    I just want to know how long before I can pick my 980 ref up for 300?

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    #27
    Brad_Hawthorne
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/12/01 15:10:39 (permalink)
    fanboy
    AMD is so good at disinformation as many of you think Fiji-XT is the 390X.. well it's not as Fiji-XT is the refresh of Hawaii XT > 380X (full fat) built by GF ..it's unknown what AMD has done to the Hawaii core to drop 82 watts other then GF fab has less leakage but that benchmark is by Fiji-XT 380X as the 390X is Bermuda core and saving 82 watts in there design allows AMD more room for Bermuda to run at 250-300watt and the reason for the watercooling but with the power savings for HBM it makes me wonder much juice the 390X core is being feeded to need water cooling.


    Interesting that you infer that AMD is doing the misinformation. I was under the impression that most misinformation is rabid speculation by random people like us. Leave it to someone to complain about AMD dropping requirements 82W.
    #28
    Vlada011
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/12/01 15:56:14 (permalink)
    huf757
    I just want to know how long before I can pick my 980 ref up for 300?



    I would like to find Titan Black for 300.
    GTX980 maybe will drop price on 400 example when R9-390X show up.
    On 300$ only for one year example.
     

    i7-5820K 4.5GHz/RVE10-EK Monoblock/Dominator Platinum 2666/ASUS GTX1080Ti Poseidon/SBZxR /Samsung 970 EVO PLus 1TB/850 EVO 1TB /EVGA 1200P2/Lian Li PC-O11WXC/EK XRES D5 Revo 100 Glass/Coolstream PE360-Noctua NF-A12x25 PWM x3
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    #29
    Baltothewolf
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    Re: AMD Radeon R9 390X rumored to have truly next-gen 4096-bit memory bus 2014/12/01 23:47:06 (permalink)
    Brad_Hawthorne
    fanboy
    AMD is so good at disinformation as many of you think Fiji-XT is the 390X.. well it's not as Fiji-XT is the refresh of Hawaii XT > 380X (full fat) built by GF ..it's unknown what AMD has done to the Hawaii core to drop 82 watts other then GF fab has less leakage but that benchmark is by Fiji-XT 380X as the 390X is Bermuda core and saving 82 watts in there design allows AMD more room for Bermuda to run at 250-300watt and the reason for the watercooling but with the power savings for HBM it makes me wonder much juice the 390X core is being feeded to need water cooling.


    Interesting that you infer that AMD is doing the misinformation. I was under the impression that most misinformation is rabid speculation by random people like us. Leave it to someone to complain about AMD dropping requirements 82W.


    Look at his name, need I say more?

    I would like to comment outside of what has been said. I will gladly take higher running temps and more power for raw speed. At the end of the day, if the competition runs 5fps average higher, but 10-15c hotter and suck more power, fine by me. I'm a gamer. It's like owning a performance car and complaining that the exhaust is to loud or takes to much to gas up.
    post edited by Baltothewolf - 2014/12/01 23:52:34

    My Laptop (GE63VR-7RF):
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    #30
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