Is GTX 1080 SLI not so great for 4K or am I doing something wrong?

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NCPatriot

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Aug 3, 2017
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I have had my 1080 SLI setup for about a month now, at first I was still on my 1080p monitor and was playing games at better FPS but not by much. My old rig was(core specs):
GPU: GTX 980
CPU: i7 4770k
RAM: 16 gb G.Skill
I could get between 60-70 fps in game(in a match) on PUBG, I got my new rig;
GPU: GTX 1080 in SLI
CPU: i7 7700k
Ram: 32gb Corsair LPK

with that i was only getting 70-90 fps in a match(1080p). I tried to get better fps by switching to AFR2 like some people suggested, but it would actually only run at around 9 fps in lobby on PUBG. I just got my 4K monitor yesterday and can only run PUBG in 4K at 30-57 fps. I even tried to OC & Benchmark, however, the OC didn't increase fps at all. Anyone have any ideas?
 
Solution
chemmajorp53
PUBG is CPU limited if you have a good graphics card and I'd imagine 4k isn't well optimized for because nobody plays on that res since it's a disadvantage in game. It's early access, good SLI support is the last thing that's going to come with that game if it ever comes, they have much much more important things to do. I'd understand 4k high settings for BF1 and other AAA FPS games, but for PUBG it doesn't make any sense. If you're not improving in FPS with more graphics horsepower, it's the CPU or the game engine that's holding you back not the graphics cards and there's basically nothing you can do about it.
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chemmajorp53

chemmajorp53

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Apr 5, 2013
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PUBG is CPU limited if you have a good graphics card and I'd imagine 4k isn't well optimized for because nobody plays on that res since it's a disadvantage in game. It's early access, good SLI support is the last thing that's going to come with that game if it ever comes, they have much much more important things to do. I'd understand 4k high settings for BF1 and other AAA FPS games, but for PUBG it doesn't make any sense. If you're not improving in FPS with more graphics horsepower, it's the CPU or the game engine that's holding you back not the graphics cards and there's basically nothing you can do about it.
 
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Solution
photonboy

photonboy

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Jun 20, 2006
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Plus, even when there's no CPU bottleneck there may be little to no multi-GPU benefit in many games.

I wish people would realize that an i7-4770K is a great CPU and that upgrading to an i7-7700K is generally minimal to no OBSERVABLE benefit in most games.
 
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