tekphnx
New Member
- Total Posts : 4
- Reward points : 0
- Joined: 2007/11/20 06:58:12
- Status: offline
- Ribbons : 0
Re: 5820K Vs 4790K - Best one as a 2600K replacement?
2014/09/05 09:39:16
(permalink)
If you're not overclocking, and your primary use is gaming, the 4790K is your obvious choice. Games alone will not use more than 4C/8T now or any time in the next few years. The 4790K has a base clock of 4.0ghz vs 3.3ghz for the 5820k, so most (probably all) games will be slower on the 5820K. The 5820K makes a lot more sense if you're heavily using professional-type apps like 3D modeling, HD video editing, transcoding, programming, etc. If you do overclock, despite the difference in default speeds, both the 4790K and the 5820K reach about the same maximum speeds - around 4.5-4.6ghz. The 5820K is around 40-50% faster in heavily multithreaded apps at the same clock speed. But for games you will see little to no difference for at least a few years. Your 2600K is still a very solid CPU. I would suggest holding onto it for a bit longer, as neither of these processors (except an overclocked 5820K) are huge jumps beyond what you already have. I have an AMD FX-8350 (which performs very similarly to your 2600K) and the earliest time I am considering an upgrade is in late 2015 when Skylake-K arrives... that generation's version of the 4790K (6790K?) should be about 15-20% faster than 4790K, and include not only DDR4 (which will be much cheaper than it is right now), but it will also have PCIe 4.0 and working TSX extensions. PS: What video card are you running that you think PCIe 2.0 is limiting you? The only single video cards that are limited by PCIe 2.0 16x to any significant degree are the Titan Z and the R9 295X2, and those are both dual-GPU cards. The fastest current single GPU card, the 780ti, isn't bottlenecked by PCIe 2.0. Even when the 880/880ti come out, I doubt that they will be bottlenecked by PCIe 2.0 x16 very much, if at all.
post edited by tekphnx - 2014/09/05 10:01:27
|
Sajin
EVGA Forum Moderator
- Total Posts : 49227
- Reward points : 0
- Joined: 2010/06/07 21:11:51
- Location: Texas, USA.
- Status: offline
- Ribbons : 199
Re: 5820K Vs 4790K - Best one as a 2600K replacement?
2014/09/05 10:01:36
(permalink)
martinch
houkomThinking about SLI only... 4790k only can do 8x/8x for each PCIE where as the 5820k can do 16x/8x..
True, although you could get one of the expensive Z97 motherboards that has a PLX chip on it (which would get you close...kinda*).  Can't remember how much they are - might end up being as expensive as a decent X99 board... 
* just did a quick search for reviews, and it seems it may get you about half-way to the performance of true x16/x16, or it may make little-to-no difference...
Yep. A good Z77/Z87/Z97 motherboard with a PLX chip will be just as good. http://www.3dmark.com/3dm11/6102649 (3970x @ 5GHz, 3x GTX TITAN's. Graphics Score: 42715) My rig: http://www.3dmark.com/3dm11/6171521 (3770k @ 4.7GHz, 3x GTX TITAN's. Graphics Score: 42262)
|
Killmur
CLASSIFIED Member
- Total Posts : 4654
- Reward points : 0
- Joined: 2008/12/17 23:32:46
- Location: Arizona
- Status: offline
- Ribbons : 7
Re: 5820K Vs 4790K - Best one as a 2600K replacement?
2014/09/05 10:40:43
(permalink)
tekphnx
If you're not overclocking, and your primary use is gaming, the 4790K is your obvious choice. Games alone will not use more than 4C/8T now or any time in the next few years.
The 4790K has a base clock of 4.0ghz vs 3.3ghz for the 5820k, so most (probably all) games will be slower on the 5820K. The 5820K makes a lot more sense if you're heavily using professional-type apps like 3D modeling, HD video editing, transcoding, programming, etc.
If you do overclock, despite the difference in default speeds, both the 4790K and the 5820K reach about the same maximum speeds - around 4.5-4.6ghz. The 5820K is around 40-50% faster in heavily multithreaded apps at the same clock speed. But for games you will see little to no difference for at least a few years.
Your 2600K is still a very solid CPU. I would suggest holding onto it for a bit longer, as neither of these processors (except an overclocked 5820K) are huge jumps beyond what you already have. I have an AMD FX-8350 (which performs very similarly to your 2600K) and the earliest time I am considering an upgrade is in late 2015 when Skylake-K arrives... that generation's version of the 4790K (6790K?) should be about 15-20% faster than 4790K, and include not only DDR4 (which will be much cheaper than it is right now), but it will also have PCIe 4.0 and working TSX extensions.
PS: What video card are you running that you think PCIe 2.0 is limiting you? The only single video cards that are limited by PCIe 2.0 16x to any significant degree are the Titan Z and the R9 295X2, and those are both dual-GPU cards. The fastest current single GPU card, the 780ti, isn't bottlenecked by PCIe 2.0. Even when the 880/880ti come out, I doubt that they will be bottlenecked by PCIe 2.0 x16 very much, if at all.
Oh I know I am getting bottlenecking\limitations from cpu and sometimes gpu. Even though I am running a GTX 770 ACX SC 4Gig. Be aware this IS a P67 chipset based proprietary motherboard from Alienware. Which means these kinds of components aren't meant to last long or be used as much as I use them. My computer pretty much runs all day long. There's really not much else I can do to make this computer run faster or better. Even the thought of ocing it is out of the question. I'd rather not deal with their liquid cooler and any possible fan upgrade or push-pull ideas. Not to mention this case is a poorly designed setup that doesn't allow for proper air intake. Also this thing runs a 875 watt psu which is most likely a very inefficient piece of junk. So yea this computer really doesn't have another year or two on it. By the end of this year, start of next year, I am looking at going with a new platform and the 1150 will most likely be it. Edit: For clarification I know this cpu and even the 4 sticks of memory(16 gigs total) can handle nearly any game maxed out with my powerful gpu HOWEVER the limiting factor is this motherboard. It's why I figure if I am going to make a switch to something better it might as well be something in the Haswell series. Be it Z97 or X99. 3 years+ this computer has done me good however I am tired of dealing with the issues that have come with it. I have done as much as I can with the limitations in place. It's time to think about moving on to something better.
post edited by Killmur - 2014/09/05 10:50:40
|
tekphnx
New Member
- Total Posts : 4
- Reward points : 0
- Joined: 2007/11/20 06:58:12
- Status: offline
- Ribbons : 0
Re: 5820K Vs 4790K - Best one as a 2600K replacement?
2014/09/05 10:54:03
(permalink)
This graph of low-res gaming performance with a single 780ti might help you make up your mind:  On this graph, OPs 2600k scores 80.4 fps average. Neither the 4970K or 5820K are on this graph, but the 4930K, which should be very similar to 5820K, scores 98.6 fps while a 4770K scores 90.5 fps. However the 4790K has 14% more clock speed than 4770K, if we estimate that the 14% clock speed increase results in 10% performance increase, that would put the 4790K at 99.6 fps. I'm honestly surprised - it appears that newer games are using extra cores more effectively than I would have imagined and so the 5820K and 4790K perform very similarly in newer titles at stock speeds. Still, for gaming purposes, I would stick with the 4790K unless planning to overclock (The 5820K has a lot more overclocking headroom). By this graph (at stock speeds and low resoultion), either 4970K or 5820K will represent about a 23% improvement over 2600K. If were me, I would get 5820K and overclock it because it has a huge amount of overclocking headroom... or more likely, I would wait another 12-15 months for Skylake-K (6790K?), which will be ~15% faster than either of these options, priced similarly to 4790K, and support DDR4, PCIe 4.0 and TSX. (Would score around 109-114fps on this scale.)
|
Killmur
CLASSIFIED Member
- Total Posts : 4654
- Reward points : 0
- Joined: 2008/12/17 23:32:46
- Location: Arizona
- Status: offline
- Ribbons : 7
Re: 5820K Vs 4790K - Best one as a 2600K replacement?
2014/09/05 11:01:55
(permalink)
I plan on going Z97 however if I can fit a X99 build into a 2.5K budget I may do that. Heck I might try and go for the next cpu up. Since it's clocked at 3.5 if I am not mistaken. As much as I want to wait another year or two for a even newer mainstream platform to come out I can't really. I need to get away from this computer so badly. If I did get the 5820K cause of budget restraints I'd probably not push it much if I oc. Aside from no interest in ocing there's another factor. I live in a rather warm climate so I need to keep the heat in the room down.
|
tekphnx
New Member
- Total Posts : 4
- Reward points : 0
- Joined: 2007/11/20 06:58:12
- Status: offline
- Ribbons : 0
Re: 5820K Vs 4790K - Best one as a 2600K replacement?
2014/09/05 11:05:45
(permalink)
Killmur
Oh I know I am getting bottlenecking\limitations from cpu and sometimes gpu. Even though I am running a GTX 770 ACX SC 4Gig. Be aware this IS a P67 chipset based proprietary motherboard from Alienware. Which means these kinds of components aren't meant to last long or be used as much as I use them. My computer pretty much runs all day long. There's really not much else I can do to make this computer run faster or better. Even the thought of ocing it is out of the question. I'd rather not deal with their liquid cooler and any possible fan upgrade or push-pull ideas. Not to mention this case is a poorly designed setup that doesn't allow for proper air intake. Also this thing runs a 875 watt psu which is most likely a very inefficient piece of junk. So yea this computer really doesn't have another year or two on it. By the end of this year, start of next year, I am looking at going with a new platform and the 1150 will most likely be it.
Edit: For clarification I know this cpu and even the 4 sticks of memory(16 gigs total) can handle nearly any game maxed out with my powerful gpu HOWEVER the limiting factor is this motherboard. It's why I figure if I am going to make a switch to something better it might as well be something in the Haswell series. Be it Z97 or X99. 3 years+ this computer has done me good however I am tired of dealing with the issues that have come with it. I have done as much as I can with the limitations in place. It's time to think about moving on to something better.
Fair enough. I think the decision then really comes down to whether or not you plan to overclock your new system. 4790K vs 5820K stock: 4790K will be a little faster in older games. In current games the two are closely matched. In future games expect the 5820K to have a little bit of an edge (up to about 20%). Recommend going 4790K because it is cheaper. 4790K vs 5820K overclocked: Older games about the same. New and future games will run faster on the 5820K, (up to about ~45%.) 5820K becomes the clear choice when both systems are overclocked.
post edited by tekphnx - 2014/09/05 12:00:05
|
Killmur
CLASSIFIED Member
- Total Posts : 4654
- Reward points : 0
- Joined: 2008/12/17 23:32:46
- Location: Arizona
- Status: offline
- Ribbons : 7
Re: 5820K Vs 4790K - Best one as a 2600K replacement?
2014/09/05 11:16:03
(permalink)
Yea that 4790K will most likely make a HUGE difference for me. One thing that'll be nice to have in terms of going Z97 is proper memory support along with USB 3.0. I'll never go Aliewnare again that's for sure. I'd hate to see how messed up they did things with the X79 platform.
|
tekphnx
New Member
- Total Posts : 4
- Reward points : 0
- Joined: 2007/11/20 06:58:12
- Status: offline
- Ribbons : 0
Re: 5820K Vs 4790K - Best one as a 2600K replacement?
2014/09/05 12:02:20
(permalink)
I see that you're worried about heat output and long-term life expectancy. Here's an idea: get the 5820K but just do a light/safe overclock on air! I don't have the link handy, but I recall reading that Haswell's power consumption rises fairly slowly up until 4.0 ghz, and then it abruptly jumps up as you go beyond that point. I just did a quick look around the web for 5820K overclocking results, and it looks like 3.6 to 4.0 ghz is safely doable depending on the size of your air cooler. I have a tons of experience overclocking on air, so here are my suggested coolers: 3.6ghz: Coolermaster Hyper 212 Evo ($35), Scythe Katana 4 ($32) 3.8ghz: Scythe Mugen 4 ($50), DeepCool Gamer Storm Lucifer ($55), Thermalright True Spirit 140 ($55, needs a wide case because this cooler is tall) 4.0ghz: Phanteks PH-TC14PE ($75), Be Quiet! Dark Rock Pro 3 ($90), Noctua NH-D15 ($100) (All three perform about the same, but the Phanteks is noisier than the more expensive units) (Note that all three of these coolers are very large! They need at least a mid-tower case, and will use up a lot of internal space.) If you're feeling especially paranoid, you could get one of the coolers I suggest for 4.0 and run it at 3.8... or one of the ones I suggest for 3.8 and run it at 3.6, etc. But from my research a 5820K should be very safe for the speeds listed with the coolers listed, assuming that you're careful not to use any more voltage than necessary. Hope this helps!
post edited by tekphnx - 2014/09/05 12:05:36
|
Killmur
CLASSIFIED Member
- Total Posts : 4654
- Reward points : 0
- Joined: 2008/12/17 23:32:46
- Location: Arizona
- Status: offline
- Ribbons : 7
Re: 5820K Vs 4790K - Best one as a 2600K replacement?
2014/09/05 14:34:42
(permalink)
It does however I am looking at getting the H105 since it'll work with the case I have in mind. I was looking at the other Corsair offerings but the H105 is a much newer unit and I'd rather have something that's more up to date and such if I go liquid cooler.
|
sleevo
Superclocked Member
- Total Posts : 125
- Reward points : 0
- Joined: 2010/01/19 05:54:51
- Status: offline
- Ribbons : 0
Re: 5820K Vs 4790K - Best one as a 2600K replacement?
2014/09/05 20:52:59
(permalink)
I just bit the bullet and built another pc and chose 4790k.
I'm waiting for the PSU to get here so I can fire this monster up!!
Corsair Graphite Series 760T White
i7-4790K
Noctua NH-U12S push & pull (I chose this for ram capability)
Gigabyte GA-Z97X Black Edition (almost bought the ROG hero)
Corsair Dominator Platinum 16GB 2400 (they light up!!!)
EVGA GTX 780 ti SC 3GB X2 SLI (already had one)
Samsung 850 Pro Series 512GB SSD
WD Black Series 2TB
ASUS Xonar DX 7.1 (older sound cards sound better then the newer ones to me)
EVGA SuperNOVA 1000 G2 PSU (pending)
ASUS VG248QE (144 Hz !!!)
Windows 7 Home Premium SP1- 64-bit
CASE - Corsair Graphite Series 760T WhiteCPU - IntelDevil's Canyon Core i7-4790K @ 4.7GHz 1.265v CPU Cooler - Noctua NH-U12S push & pullMB - Gigabyte GA-Z97X-UD5H- Black EditionMEMORY - Corsair Dominator Platinum 2400 16GBGRAPHICS - EVGA GTX 1080Ti FESSD - Samsung 850 Pro Series 512GB SSDHD - WD Black Series 2TBSOUND -Sound Blaster ZPSU - EVGA SuperNova 1000 G2 PSUMONITOR - Dell S2716DG 2560x1440 @144Hz G-SyncWindows 10
|
Killmur
CLASSIFIED Member
- Total Posts : 4654
- Reward points : 0
- Joined: 2008/12/17 23:32:46
- Location: Arizona
- Status: offline
- Ribbons : 7
Re: 5820K Vs 4790K - Best one as a 2600K replacement?
2014/09/06 09:45:56
(permalink)
Well thanks to all those that helped me with suggestions and such. I think it'll definitely be a Z97 build by the end of the year. I still have to figure out the rest of the parts but I think I know what I am going with.
|