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High-Res Graphics Card Memory requirements.

post #1 of 5
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I currently game at 1600p with a pair 1.25gb 570s and am considering upgrading to a 780 mainly because of the memory constraints of the 570s.

But I can't find any reviews which show that the extra RAM improves performance at higher resolutions.

http://www.hardwarecanucks.com/forum/hardware-canucks-reviews/62594-galaxy-gtx-770-gc-4gb-review-3.html

In this review for the 770 at 1440p there is virtually no difference between the 2gb and 4 gb versions.

And reviews at 1600p the faster cards have better frame rates despite having less RAM.

http://www.techspot.com/review/550-best-gaming-graphics-cards/page4.html

So does the extra memory have any real benefits?
Edited by Kevlar1 - 9/4/13 at 11:47pm
post #2 of 5
for gaming rigs I think the extra mem really comes into play when you run multiple monitors... heard that 2Gb is good for most everything that is out now for single monitor setup.
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post #3 of 5

Yep, that much VRam is for either multiple monitors or heavily modded games (e.g. Skyrim with a bunch of hi-res textures will quite easily exceed 2 gigabytes of VRam on a single 1080p monitor).

post #4 of 5
You will only see benefits in heavy memory intensive games like planetside 2 or something similar in multi-display. You would still see other major improvements from the switch though. Heres a convo that might interest you:

http://www.tomshardware.com/answers/id-1693393/gtx-570-sli-gtx-780.html

maybe another:
http://www.tomshardware.com/answers/id-1690276/worth-upgrade-gtx-570-780.html

This is not the best site to compare with but it gives a good idea of the major difference especially in texel rate:
http://www.hwcompare.com/14152/geforce-gtx-570-vs-geforce-gtx-780/
this also gives an ok comparison its not the greatest website either but shows some good info:
http://gpuboss.com/gpus/GeForce-GTX-780-vs-GeForce-GTX-570
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post #5 of 5
Quote:
Originally Posted by Blue Dragon View Post

for gaming rigs I think the extra mem really comes into play when you run multiple monitors... heard that 2Gb is good for most everything that is out now for single 1920x1080 monitor setup.
Fixed that for you. Remember, even 2560x1440 has 50% more pixels than 1080.

I've been maxing out Crysis 2 @ 1440, with high-res texture and DX11, and it's consistently been using 2GB or more VRAM. If you can afford it, I'd definitely jump for the extra VRAM. There isn't much more dissatisfying than to have to turn something down cuz you hit your VRAM limit. Besides, what do you think will happen to games once developers begin figuring out how to max out the new consoles?
Edited by Dirtyworks - 9/5/13 at 1:39am
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