Question about performance balancing - DDR3 & GTX 10xx cards

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carbide

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Oct 29, 2013
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Hi,

My PC specs are:
4790k
16gb DDR3 1866
GTX 1070 FTW
Gsync 2560 x 1440

I'm getting around 100 fps in games like the new doom, battlefield, crysis 3 etc.with med/high settings.

The problem I seem to get is stuttering. I'm wondering if it's just that the 1070 memory is a bit slow, or whether DDR3 is holding the card back? ideally I won't think about upgrading to a DDR4 board for another year or so, certainly volta, but, if the stuttering isn't going away, I might just do it sooner.

thoughts?
 
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PC-4LIFE

PC-4LIFE

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Nov 14, 2016
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RAM doesn't impact performance in game noticeably.

You are probably experiencing screen tearing, a common issue when your fps is higher or lower than your monitor refresh rate.

Only way to fix it is get a higher hz monitor, a g sync monitor, use v sync (which has lots of input lag and limits fps to screen refresh rate) or use fast sync (doesn't limit frames and has less input lag than v sync.)
 
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Rogue Leader

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Dec 22, 2014
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+1 to this your games are not stuttering. Even if they were it would not be the DDR3 memory causing it.
 
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carbide

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Oct 29, 2013
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Hi, yeah, I have a 144hz gsync monitor, I experience no screen tearing, just the stutter. Wondering of the VRAM on the card is just not fast enough, whether I need to lower settings despite getting ~100 fps?
 
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PC-4LIFE

PC-4LIFE

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Have you actually enabled G-sync in NVIDIA control panel?
Also you need to use Display port 1.2.
 
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Rogue Leader

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Dec 22, 2014
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No thats not the issue either. The GDDR5X is more than fast enough, as mentioned are you using the correct display port connection and have Gsync turned on?
 
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carbide

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Indeed, we do seem to have quite similar set-ups




Yes, I have the display connected via display port, g-sync is enabled, I always use latest drivers, do a fresh install of the whole suite when they're available...

My pc benches for firestrike, time spy, Aida etc. all suggest there is nothing wrong with the pc in terms of overall benchmark figures.

I assumed the stuttering was something to do with the memory, somewhere, getting overwhelmed with the amount of data it needs to 'swap' ?
 
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Rogue Leader

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Can you describe that a bit further, citing the game specifically, as well as the video.

 
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carbide

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games I've noticed it in, wildlands, Doom, Killing floor 2, the new wolfenstein games to name a few. The sensation is that the whole game locks up for, maybe, 100-300ms. some games it happens more within the first few mins of starting a load game, some continues throughout, but normally worse toward the start before you've seen the textures/detail for the first time
 
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Rogue Leader

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Interesting, need to think on this, would like to see the video as well.

Also what model of monitor do you have, and have you tried with gsync off?
 
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carbide

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I have a dell S2716DG 27" 144hz 2560x1440 g-sync monitor. I played about with g-sync enabled/disabled when I first bought it - got awful screen tearing with g-sync disabled, zero tearing with it enabled, though haven't tried recently to see if it removes the stutter, could also see if enabling a low frame rate cap reduces the stutter as well. will try to get a video up shortly
 
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Rogue Leader

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In this vein as well is there stuff running in the background?
 
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carbide

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I've update the sig again, primary boot disk is a 1tb 850 evo, secondary is a 750 gb crucial mx300 I use them both for new titles, and also use a 3tb split into 3 partitions for other less intensive, older games, backups etc.
 
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