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seyumi
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Re: What's 4 way SLI like? 2015/03/27 01:48:16 (permalink)
Many games actually saw great 4 way SLI scaling on the GTX 980s with 4K resolution. You really need a high pixel count for 4 way SLI to really shine. There were quite a few games that wouldn't even reach 60FPS average unless there were 4 980's. Too lazy to make links but there was definitely a need for 4 if you were one of the first 4K adopters. As we all know though, the 980 was just a mid ranged card with a weak memory speed that Nvidia was selling as their high-end card due to no competition. The same exact thing happened with the GTX 680. The 2x Titan X's are roughly 3.5x 980's. I don't think you're going to need more than 3 Titan X's with current games to hold 60 FPS but I could be wrong. I haven't seen many SLI reviews of this card yet. I do plan on getting a 3rd eventually but the games I'm playing right now (all 2013 and older) won't dip below 60 FPS on 4K resolution w/ max settings just yet (unless something ridiculous like 8x MSAA) with just 2 of them.
post edited by seyumi - 2015/03/27 01:51:08

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stickywulf
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Re: What's 4 way SLI like? 2015/03/27 02:17:04 (permalink)
chicochaco
 
 I would not be able to run 4 cards on my Asus Deluxe though I am still within the returning period of that as well.


You would not be able to run 4 cards on the 5820K processor either.... so that would need returning also.
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jeppouza
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Re: What's 4 way SLI like? 2015/03/27 05:23:20 (permalink)
HOWARD70
how r ur temps w that setup? That's a lot of beef for a little case! Like.




He must get high temperatures (above 80ºC easily) in full load, specially in the midle and in the top cards, where the blower is blocked.
When I had my 3 way SLI 980GTX on air temperatures were high, now on water things are nice (50ºC top) with a 240mm radiator and ambient temperature at 30ºC.
The only thing I regret for installling the WC for the GPUs are the missing Geforce GTX LEDs blinking green, looks nice :)
 
Cheers
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Re: What's 4 way SLI like? 2015/03/27 05:27:03 (permalink)
stickywulf
chicochaco
 
 I would not be able to run 4 cards on my Asus Deluxe though I am still within the returning period of that as well.


You would not be able to run 4 cards on the 5820K processor either.... so that would need returning also.




Exactly, 5820K is only 28 lanes, I recommend at least a 5930k with 40 lanes for the useless 4 way SLI.
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ARMYguy
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Re: What's 4 way SLI like? 2015/03/27 05:55:45 (permalink)
I have a 5930k and i won't go past 2 titan x's. I already crush every game out there @ 1440p.... what is the point of more crushing? lol  Plus my G sync caps it all anyways.
 
Small addition, anyone try the crysis 1 bench mark? My score with 1 titan x was better than my 2 titan x's.... is this game just too old to scale?

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chicochaco
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Re: What's 4 way SLI like? 2015/03/27 10:23:54 (permalink)
HOWARD70
how r ur temps w that setup? That's a lot of beef for a little case! Like.



My pappy always use to say... "It's not about the size of your beef, it's about the size of the case you put it in."
 
I always just keep the case open on the GPU side like shown in my photo. Kind of like the guys driving around without a hood to show off their hot-rodded engine bay.
 
My max temps overclocking in Valley maxed out setting at 1440P and 100% fan speed was 72 63 55
 
My max temps in Valley maxed out setting at 1440P with no overclock and default fan speed was 84 76 67
 
I am more concerned about the other components on my GPU that I don't have a reading on overheating.
 
It's really nerve racking to see my desk lamp flicker on and off when benching. This might be a indicator that I can't run a 4th card with my houses electric wiring.
 
 
 
post edited by chicochaco - 2015/03/27 10:50:26

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Re: What's 4 way SLI like? 2015/03/27 10:32:24 (permalink)
stickywulf
chicochaco
 
 I would not be able to run 4 cards on my Asus Deluxe though I am still within the returning period of that as well.


You would not be able to run 4 cards on the 5820K processor either.... so that would need returning also.




I got the 5820k at newegg and I used it so they wont accept a return on it but it's ok cuz I am building a second system and I can just use it for that.

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Re: What's 4 way SLI like? 2015/03/27 10:35:09 (permalink)
stickywulf
chicochaco
 
 I would not be able to run 4 cards on my Asus Deluxe though I am still within the returning period of that as well.


You would not be able to run 4 cards on the 5820K processor either.... so that would need returning also.




Not true.  Some boards have a multiplexer chip on them that make it so 4 way sli is supported on 5820K's.

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bsmegreg
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Re: What's 4 way SLI like? 2015/03/27 10:41:00 (permalink)
When you buy them, do they let you step up your heater for an air conditioner?

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chicochaco
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Re: What's 4 way SLI like? 2015/03/27 10:47:36 (permalink)
AnonymousGuy
stickywulf
chicochaco
 
 I would not be able to run 4 cards on my Asus Deluxe though I am still within the returning period of that as well.


You would not be able to run 4 cards on the 5820K processor either.... so that would need returning also.




Not true.  Some boards have a multiplexer chip on them that make it so 4 way sli is supported on 5820K's.




Do multiplexer chips work as good as CPU's native 40 lane?

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Re: What's 4 way SLI like? 2015/03/27 11:08:55 (permalink)
chicochaco
AnonymousGuy
stickywulf
chicochaco
 
 I would not be able to run 4 cards on my Asus Deluxe though I am still within the returning period of that as well.


You would not be able to run 4 cards on the 5820K processor either.... so that would need returning also.




Not true.  Some boards have a multiplexer chip on them that make it so 4 way sli is supported on 5820K's.




Do multiplexer chips work as good as CPU's native 40 lane?




Looks like only the Asus X99-WS board has the chip, and I don't know many people who would buy the top tier mobo and then drop a 5820K in it.

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#41
seyumi
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Re: What's 4 way SLI like? 2015/03/27 19:48:33 (permalink)
AnonymousGuy
chicochaco
AnonymousGuy
stickywulf
chicochaco
 
 I would not be able to run 4 cards on my Asus Deluxe though I am still within the returning period of that as well.


You would not be able to run 4 cards on the 5820K processor either.... so that would need returning also.




Not true.  Some boards have a multiplexer chip on them that make it so 4 way sli is supported on 5820K's.




Do multiplexer chips work as good as CPU's native 40 lane?




Looks like only the Asus X99-WS board has the chip, and I don't know many people who would buy the top tier mobo and then drop a 5820K in it.




Those PLX chips are just fake lanes. The same thing has always been done with the LGA 1150~1155 processors. It really just helps "spread the load" but you won't get a true 40+ lanes like you would on a 5930x or a 5960x. No offense, but if you can splurge $4000+ on GPUs, I'm pretty sure you can complement them with at least a $500 processor (5930x) to make sure you're getting all the bandwidth you're paying for. 

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#42
chicochaco
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Re: What's 4 way SLI like? 2015/03/27 20:33:41 (permalink)
 
seyumi
 
Those PLX chips are just fake lanes. The same thing has always been done with the LGA 1150~1155 processors. It really just helps "spread the load" but you won't get a true 40+ lanes like you would on a 5930x or a 5960x. No offense, but if you can splurge $4000+ on GPUs, I'm pretty sure you can complement them with at least a $500 processor (5930x) to make sure you're getting all the bandwidth you're paying for. 




No offense taken, I appreciate the info. I do want to point out that thet at the time of the bench I was 5th on the hall of fame for Firestrike for 3 cards Ultra at x8 x8 x8 Pcie lanes with plenty of 5960X & 3 way Titan X below me.
 
Now the Asus X99 Rampage 5 is looking a lot more appealing to me then the X99 W-ES... I just don't like how you can water cool the Rampage 5 motherboard itself when I don't see how it can benefit anything in the real world. Although, I most likely won't do 4 way SLI because of the flickering desk lamp at 3 way SLI and lack of performance gains in actual gaming, (or is it? Why do I have a smoother experience at 150% scaling with 3 way SLI then 2 way SLI when they are both well above the avg 60 FPS mark? If it is the RAM or power supply or CPU or even poor SLI scaling then I think would have a choppy ride at lower in-game scaling. FPS can be so misleading at times since I can have an avg 60 FPS reading and be smooth and in a different situation have an avg 60 FPS and be choppy) it's still nice to know that the option is open to me.
 
If I do go 4-way SLI then the EVGA Super Nova 1600 is looking very appealing to me as well as the EVGA X99 series. I really do like the EVGA's aesthetic design on most everything that they have to offer, I have purchased many EVGA items in the past even though I don't have anything in my sig at the moment. Sorry in advance if I am kind of veering off the GPU discussion but I do think it is relevant to the 4 way SLI thing.
post edited by chicochaco - 2015/03/27 22:51:23

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ManBearPig
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Re: What's 4 way SLI like? 2015/03/27 21:28:20 (permalink)
Scarlet-Tech
200% scaling at 1080p is 4k (1080x2=2160 or 200%) so you were at 2880 or 5k, not 4k.

Actually that is not true. UHD 4K = 400% at 1080p.  Resolution is more than just the height (1080, 1440, 2160), resolution is the height times width.
 
1920x1080 = 2,073,600 pixels x 4 (400%) = 8,294,400 pixels
3840x2160 = 8,294,400 pixels which is 4 times the resolution of 1080p which is 400% scaling
 
2560x1440 = 3,686,400 pixels and UHD 4K is 2.25 times 1440p, or 225% scaling
3,686,400 x 2.25 = 8,294,400 pixels (UHD 4K)
 
200% scaling (or times 2) at 1440p would be:
2560x1440 x 2 = 7,372,800 pixels
3620x2036 = 7,370,320 pixels   It's not exactly 200%, but that is the closest resolution to it being whole numbers and what Nvidia DSR gives you for 200% scaling at 1440p


 
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Re: What's 4 way SLI like? 2015/03/27 21:33:47 (permalink)
@OP beautiful system man +1!!! Looks sexy as all get up!

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chicochaco
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Re: What's 4 way SLI like? 2015/03/27 21:35:53 (permalink)
ManBearPig
Scarlet-Tech
200% scaling at 1080p is 4k (1080x2=2160 or 200%) so you were at 2880 or 5k, not 4k.

Actually that is not true. UHD 4K = 400% at 1080p.  Resolution is more than just the height (1080, 1440, 2160), resolution is the height times width.
 
1920x1080 = 2,073,600 pixels x 4 (400%) = 8,294,400 pixels
3840x2160 = 8,294,400 pixels which is 4 times the resolution of 1080p which is 400% scaling
 
2560x1440 = 3,686,400 pixels and UHD 4K is 2.25 times 1440p, or 225% scaling
3,686,400 x 2.25 = 8,294,400 pixels (UHD 4K)
 
200% scaling (or times 2) at 1440p would be:
2560x1440 x 2 = 7,372,800 pixels
3620x2036 = 7,370,320 pixels   It's not exactly 200%, but that is the closest resolution to it being whole numbers and what Nvidia DSR gives you for 200% scaling at 1440p


 
Very informative thank you.

j2345912
@OP beautiful system man +1!!! Looks sexy as all get up!


 
Thanks!!

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chicochaco
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Re: What's 4 way SLI like? 2015/03/27 23:58:35 (permalink)
I tried disabling 2 cards and just used the 1 and Ultra no AA 110% scaling @ 1440P BF4 was silky smooth and enjoyable... I don't know anymore... I'm soooo confused!!
post edited by chicochaco - 2015/03/28 01:16:04

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Re: What's 4 way SLI like? 2015/03/28 00:06:28 (permalink)
I was able to get 100+ fps in BF4 with everything cranked (ultra + 4xAA) using 1 Titan X @ 1440p.  With 2 of them I can crank everything + 150% scaling and still have room to spare.

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#48
chicochaco
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Re: What's 4 way SLI like? 2015/03/28 01:15:10 (permalink)
AnonymousGuy
I was able to get 100+ fps in BF4 with everything cranked (ultra + 4xAA) using 1 Titan X @ 1440p.  With 2 of them I can crank everything + 150% scaling and still have room to spare.




Yes, but we may have different opinions on what is smooth all the time.

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mirkoj
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Re: What's 4 way SLI like? 2015/03/28 03:31:27 (permalink)
Actually I would say that 4 cards are actualy better money investment then 3 way and less...
Well I will asume taht 2 even 3-way SLI is used pripmarily for gaming.
You will hardly earn money while playing games so rgiht fromstart you spent money and there is no return of investment what so ever.
 
On the other way.. I bought 4 Titan (not X yet), later added 4 more 970s on another system... All those cards are being used for GPU rendering and they already paid back investment for couple times now :)
So again I will assume that 4 cards will buy someone like me for work, plus nice to play games a well.
 
At the end my 2 times 4 way setup earned more money then invested.. how much moneywill earn you 2 or 3 way setup used only for gaming? :)))))) 
 
Anyway before just assuming that it is waste of money important thing is firs to see what will they be used for. So if you can earn something with your setup then it is not waste of money. If you will "just" play game then even single 960 is waste of money as you are not going to earn them back with  it :)
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seth89
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Re: What's 4 way SLI like? 2015/03/28 07:29:05 (permalink)
Scarlet-Tech
200% scaling at 1080p is 4k (1080x2=2160 or 200%) so you were at 2880 or 5k, not 4k.



So I run BF4 at 1080p ultra settings with 200% scaling around 75fps.
Are the FPS im getting now about what I will see with a 4K monitor without any scaling?


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chicochaco
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Re: What's 4 way SLI like? 2015/03/28 08:47:33 (permalink)
mirkoj
Actually I would say that 4 cards are actualy better money investment then 3 way and less...
Well I will asume taht 2 even 3-way SLI is used pripmarily for gaming.
You will hardly earn money while playing games so rgiht fromstart you spent money and there is no return of investment what so ever.
 
On the other way.. I bought 4 Titan (not X yet), later added 4 more 970s on another system... All those cards are being used for GPU rendering and they already paid back investment for couple times now :)
So again I will assume that 4 cards will buy someone like me for work, plus nice to play games a well.
 
At the end my 2 times 4 way setup earned more money then invested.. how much moneywill earn you 2 or 3 way setup used only for gaming? :)))))) 
 
Anyway before just assuming that it is waste of money important thing is firs to see what will they be used for. So if you can earn something with your setup then it is not waste of money. If you will "just" play game then even single 960 is waste of money as you are not going to earn them back with  it :)




I am not talking about earning money or what is a waste of money. (I do see how you are saying even one card is a waste of money and I see your point in that) I am just purely interested in what the capabilities are of these cards while gaming. (Also, "looks" to a certain point)
post edited by chicochaco - 2015/03/28 09:52:53

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chicochaco
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Re: What's 4 way SLI like? 2015/03/28 08:56:04 (permalink)
seth89
Scarlet-Tech
200% scaling at 1080p is 4k (1080x2=2160 or 200%) so you were at 2880 or 5k, not 4k.



So I run BF4 at 1080p ultra settings with 200% scaling around 75fps.
Are the FPS im getting now about what I will see with a 4K monitor without any scaling?




That's something I would like to know as well. Is scaling a 1080P or 1440P monitor to the equivalent of a 4K or even 5K monitor directly translational from a FPS & smoothness standpoint?
 
Also, is scaling a 1080P or 1440P monitor that is capable of 120hz to 144hz going to have a overall better experience then a 4K or 5K monitor at 60hz?
I assume that the 4K or 5K monitor is going to still look sharper, but can the 60 FPS be choppiness free?
If you can achieve that by maintaining above 60 FPS at 4K or 5K, then would that introduce tearing and then only a G-sync capable 4K or 5K monitor would be suitable for gaming?
But perhaps a 1080P or 1440P monitor with maximum scaling at higher FPS while maintaining smoothness is the better of both worlds?
post edited by chicochaco - 2015/03/28 12:01:23

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seth89
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Re: What's 4 way SLI like? 2015/03/28 15:07:24 (permalink)
chicochaco
seth89
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200% scaling at 1080p is 4k (1080x2=2160 or 200%) so you were at 2880 or 5k, not 4k.



So I run BF4 at 1080p ultra settings with 200% scaling around 75fps.
Are the FPS im getting now about what I will see with a 4K monitor without any scaling?




That's something I would like to know as well. Is scaling a 1080P or 1440P monitor to the equivalent of a 4K or even 5K monitor directly translational from a FPS & smoothness standpoint?
 
Also, is scaling a 1080P or 1440P monitor that is capable of 120hz to 144hz going to have a overall better experience then a 4K or 5K monitor at 60hz?
I assume that the 4K or 5K monitor is going to still look sharper, but can the 60 FPS be choppiness free?
If you can achieve that by maintaining above 60 FPS at 4K or 5K, then would that introduce tearing and then only a G-sync capable 4K or 5K monitor would be suitable for gaming?
But perhaps a 1080P or 1440P monitor with maximum scaling at higher FPS while maintaining smoothness is the better of both worlds?


Have you looked at the "freesync" monitors? Same concept as gsync.


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ManBearPig
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Re: What's 4 way SLI like? 2015/03/28 15:37:28 (permalink)
seth89
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200% scaling at 1080p is 4k (1080x2=2160 or 200%) so you were at 2880 or 5k, not 4k.

So I run BF4 at 1080p ultra settings with 200% scaling around 75fps.
Are the FPS im getting now about what I will see with a 4K monitor without any scaling?

No, check my other post:
ManBearPig Actually that is not true. UHD 4K = 400% at 1080p.  Resolution is more than just the height (1080, 1440, 2160), resolution is the height times width.
 
1920x1080 = 2,073,600 pixels x 4 (400%) = 8,294,400 pixels
3840x2160 = 8,294,400 pixels which is 4 times the resolution of 1080p which is 400% scaling
 
2560x1440 = 3,686,400 pixels and UHD 4K is 2.25 times 1440p, or 225% scaling
3,686,400 x 2.25 = 8,294,400 pixels (UHD 4K)
 
200% scaling (or times 2) at 1440p would be:
2560x1440 x 2 = 7,372,800 pixels
3620x2036 = 7,370,320 pixels   It's not exactly 200%, but that is the closest resolution to it being whole numbers and what Nvidia DSR gives you for 200% scaling at 1440p

That is a big misconception; 1080p with 200% scaling is NOT UHD 4K.  UHD 4K is 4 times (400%) the resolution of 1080p (you can fit 4 1080p screens in a single UHD 4K).  Resolution is the width times height, not just the height http://en.wikipedia.org/wiki/Display_resolution
 
1920x1080 = 2,073,600 pixels x 2 (200%) = 4,147,200 pixels
2715x1527 = 4,145,805 pixels     Again, it's not exactly the same, but that is the closest resolution with whole numbers
^^^That is the resolution that you are playing/rendering at Seth when you have 200% scaling on 1080p; a little bit more than 1440p
 


 
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chicochaco
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Re: What's 4 way SLI like? 2015/03/28 19:01:28 (permalink)
ManBearPig
 
That is a big misconception; 1080p with 200% scaling is NOT UHD 4K.  UHD 4K is 4 times (400%) the resolution of 1080p (you can fit 4 1080p screens in a single UHD 4K).  Resolution is the width times height, not just the height http://en.wikipedia.org/wiki/Display_resolution
 
1920x1080 = 2,073,600 pixels x 2 (200%) = 4,147,200 pixels
2715x1527 = 4,145,805 pixels     Again, it's not exactly the same, but that is the closest resolution with whole numbers
^^^That is the resolution that you are playing/rendering at Seth when you have 200% scaling on 1080p; a little bit more than 1440p
 




Ok so that means I am not quite at 4K even at 200% scaling 1440P. On top of that I can only turn up to 150% scaling at 5,529,600 pixels and feel comfortable playing BF4 maxed out no AA at 1440P with minimum choppiness. FYI my FPS counter is saying between 70 and 140 FPS but most of the time in the 100 to 110 zone on Paracel Storm. (Again, this is completely subjective to each individual what is acceptable) I have a feeling 3 Titan X's even not Overclocked should perform better then that and I suspect my 16gb of RAM maybe the culprit so I am going to downloaded some more RAM and see how that might affect performance.
post edited by chicochaco - 2015/03/28 19:12:33

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ManBearPig
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Re: What's 4 way SLI like? 2015/03/28 22:45:32 (permalink)
Yeah, to get UHD 4K on a 1440p screen, you need to do 225% scaling which is more than BF4 can do. The only way then is to do 2.25 DSR which will allow you to do 4K.


 
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chicochaco
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Re: What's 4 way SLI like? 2015/03/28 23:09:40 (permalink)
Yea but last time I checked Nvidia didn't allow DSR when in SLI... Has that changed? Someone should run a poll whether 4K at low-medium setting or 1440P at Ultra.
post edited by chicochaco - 2015/03/28 23:24:57

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#58
ManBearPig
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Re: What's 4 way SLI like? 2015/03/29 01:02:45 (permalink)
I've done DSR with my 970s I believe. I think it's MSAA that doesn't work with SLI still.


 
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jokke
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Re: What's 4 way SLI like? 2015/03/29 03:09:03 (permalink)
the guys that says 4 cards scales bad and is waste of money, Has nothing to whit Computer hardware, Go home, go play xbox or playstation,  i used 4 way titans and 4 way 780 TI and now 2 way Sli Titan X,  I hoped for 3 But they take 1400USD for 1 card here...

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