heime2003 Dec 2, 2014 @ 10:22am
gtx 970m 3gb or 6 gb?
i think more vram is better but it makes significant differnce on performance?
thx in advance
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Azza ☠ Dec 2, 2014 @ 10:38am 
On a single monitor 1080p or 1440p - you won't use over 2-3GB video memory to hold the games with very high settings and an ultra texture pack.

4GB is optimal for Nvidia Surround (3 Gaming Monitors + 1 Accessory Display).

GTX 970 memory bandwidth is 224GB/sec - meaning it's more than fast enough to swap data in and out of it's memory. Performance wise, the extra 3GB VRAM will make no difference in 99% of all games.

When you get up to 6GB, it's not really used until you do SLI. Since the video memory is duplicated to each graphics card, you are limited by that size, even if you had 3 or 4-way graphics card in SLI. This is where 6GB comes a lot more into play and I would personally recommend it.

Only really need GTX 970 - 6GB versions, if planning on SLI multiple cards in the future and/or using UltraHD 4K resolutions. The game would have to be extremely poorly optimized to use more than the 3GB otherwise.
Last edited by Azza ☠; Dec 2, 2014 @ 10:40am
zombie cat Dec 2, 2014 @ 10:42am 
if its a laptop, I would find t hard to sli it after you purchase, only consider 6gb if you can get SLI 970m, if not just stick with the 3gb model.
heime2003 Dec 2, 2014 @ 10:57am 
Originally posted by Azza ☠:
On a single monitor 1080p or 1440p - you won't use over 2-3GB video memory to hold the games with very high settings and an ultra texture pack.

4GB is optimal for Nvidia Surround (3 Gaming Monitors + 1 Accessory Display).

GTX 970 memory bandwidth is 224GB/sec - meaning it's more than fast enough to swap data in and out of it's memory. Performance wise, the extra 3GB VRAM will make no difference in 99% of all games.

When you get up to 6GB, it's not really used until you do SLI. Since the video memory is duplicated to each graphics card, you are limited by that size, even if you had 3 or 4-way graphics card in SLI. This is where 6GB comes a lot more into play and I would personally recommend it.

Only really need GTX 970 - 6GB versions, if planning on SLI multiple cards in the future and/or using UltraHD 4K resolutions. The game would have to be extremely poorly optimized to use more than the 3GB otherwise.
thx for answer.
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Date Posted: Dec 2, 2014 @ 10:22am
Posts: 3