OC'd i5 3570K @ 4.50GHZ Bottleneck for GTX1080Ti ?

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WolfMcloud

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May 3, 2016
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I've recently discovered VR and dropped a small fortune on getting respectable frame rates with a new Aorus GTX 1080Ti Extreme.

The next to change will be my CPU but I wondered if I'd see much improvement in my games if I did?

I'm into flight and racing sims so I run Assetto Corsa, DCS World, War Thunder or IL-2 through my aged i5 3570k (watercooled and stable) at 4.5Ghz.

Would spending another £600 - £700 more on an a new mobo, fast ram and an i7 7700k (overclocked to 5.0ghz) get me any noticable gains?

Its purely for gaming.
 
Solution
chemmajorp53
You're definitely CPU bottlenecked there, but the problem may be your settings more than the CPU itself. You'd probably only go from 45 to 55 or 60 fps max if you upgraded the processor, maybe not even that much if the game is really inefficient. I'd personally suggest turning down/off some settings like "maximum pre-rendered frames" and SSAO and reading guides like this from people who actually play the game and are trying to optimize performance.

https://forum.il2sturmovik.com/topic/28671-vr-tips-and-tricks/

Your processor is still pretty fast, but a terribly inefficient game will bring any processor to its knees
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chemmajorp53

chemmajorp53

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Apr 5, 2013
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Should be fine for VR or high resolution gaming. Would spending the money get you noticeable performance gains? Probably, but it's still not worth the money IMO. All those games you listed aren't very well multi-threaded, so the only gains in performance would be from the higher IPC of Kaby Lake, not the threads.
 
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WolfMcloud

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May 3, 2016
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Thank you for the quick response.

Talking of response or latency... What kind of difference will the faster DDR4 ram make? I currently have 8GB of 1600mhz DDR3
 
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WolfMcloud

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May 3, 2016
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I use supersampling to increase the clarity in VR which leads to stutters and slow-downs during complex scenes, unless I dial back the eyecandy.

For me, Oculus & HTC need to increase the resolution/DPI of the panels in their next headsets, so that consumers dont need to employ Supersampling or DSR.

Thanks again.
 
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Gon Freecss

Gon Freecss

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Apr 28, 2015
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Absolutely wrong. Intel scale pretty well with faster RAM. It's not that much behind Ryzen. :/

 
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chemmajorp53

chemmajorp53

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Apr 5, 2013
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In select games and only at very high frame rates, yeah it gives you a modest improvement. It's not the across the board improvement in performance that you get on Ryzen. There are much better ways to spend money on your system in most cases than paying 20% more for quality 3200MHz RAM as opposed to 2666/2800 when you get MAYBE a 3-5% improvement in FPS in the most CPU bound cases. If you're at the normal 60-80fps range like most people are (and this dude obviously is with VR), the difference is negligible. Plus, I wouldn't call ~10% performance boost only at 120fps+ and only in some games between the absolutely slowest and fastest RAM you can buy "scaling pretty well."
 
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WolfMcloud

Commendable
May 3, 2016
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1,510





So what would you get if you were gonna upgrade my friend?

I asked the original question because I haven't seen much of an improvement over my Zotac AMP! Extreme GTX1080 to the 1080Ti...

I'm still not happy with the performance in VR and can barely detect an improvement in frame rates... hence why I suspect a bottleneck somewhere. I still get 45 FPS in IL2 which isn't the high number you might think.

Thanks in advance

 
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chemmajorp53

chemmajorp53

Dignified
Apr 5, 2013
3,160
1
15,010
You're definitely CPU bottlenecked there, but the problem may be your settings more than the CPU itself. You'd probably only go from 45 to 55 or 60 fps max if you upgraded the processor, maybe not even that much if the game is really inefficient. I'd personally suggest turning down/off some settings like "maximum pre-rendered frames" and SSAO and reading guides like this from people who actually play the game and are trying to optimize performance.

https://forum.il2sturmovik.com/topic/28671-vr-tips-and-tricks/

Your processor is still pretty fast, but a terribly inefficient game will bring any processor to its knees
 
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Solution
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WolfMcloud

Commendable
May 3, 2016
8
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1,510
Didnt mean to vote down there J_E_D_70!

I've tried zero SS and 0.5 DSR in IL2 and still not been impressed with the frame rates.

I'll find the solution eventually and report back.

A clean install of all the drivers is my first port of call after a re-seat of the GPU.
 
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WolfMcloud

Commendable
May 3, 2016
8
0
1,510
GByte GA-Z77-D3H Z77 MoBo
Intel Core i5 3570K s1155 O/C'd to 4.5Ghz
cooled by ANTEC Kuhler 620
Gigabyte GTX 1080Ti AORUS Xtreme
16Gb Corsair Vengence 1600 RAM
Corsair 850w Gold PSU
2x240GB SSD
Lots of 120mm Silverstone Air Penetrator Fluid Dynamic Bearing Fans Red LED


ASUS XONAR DG SOUND CARD
 
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