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Unusually High VRAM Usage Causing lag GTA V

I'm running GTA V with v-sync on on High settings with my GTX 970, I was experiencing some lag so I used MSI afterburner to monitor a few things, and I found that the vram usage on my 970 would be over 3.45gb when I experienced the lag. I'm not sure why It's using that much vram, in the settings, it says I've used 2.3gb.

Specs
Intel Core i5 4690k
Asus STRIX GTX 970
MSI Z97 Gaming 5
Corsair Vengeance LP 16gb 2x8
EVGA Supernova G2 720w
Kingston 120gb SSD
WD Blue 1TB
4 answers Last reply Best Answer
More about unusually high vram usage causing lag gta
  1. GTA 5 is very high on VRAM usage, you'll have to drop MSAA down or texture quality. It was unplayable on my GTX 970 when it got to 3.5GB usage.
  2. Best answer
    A very comprehensive review on GTA V graphics settings with a look at VRAM usage:
    http://www.hardocp.com/article/2015/05/11/grand_theft_auto_v_iq_features_performance_part_3#.VVFyWvlVhBc
  3. I just got mine to run smoothly. Try to play windowed at 1914x1052 and have refresh rate set to auto. My FPS was averaging 50-64 in heavy gameplay and 70-80 on foot.
  4. and your resolution man i run it at 1080p very smoothly with some in very high ultra and high and i dont even come close to 3,5gb
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