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Do you really need more than 1GB Vram at 1920x1080? - Page 2

post #11 of 21
Thread Starter 
Quote:
Originally Posted by ____ View Post
I was playing Oblivion with mods and I ran out of the 1.5GB on my 580
Just curious, but what happens when your Vram reaches its limit?
post #12 of 21
Quote:
Originally Posted by iRaiden View Post
1GB is fine at 1080p.

If you ever plan to go over that, you may need more.
Really? I run three monitors at 1920x1200 on a 1 GB 5870. I haven't really run into any problems, but then again I don't really play bleeding edge games. I spend most of the time with SC2 and World of Warcraft.
post #13 of 21
three monitors and up, minimum each card should have is 1.5gb of vram, recommended +2gb per card. Crossfire/sli is recommend imo to keep up w/ the high demand.
post #14 of 21
Quote:
Originally Posted by ComradeNF View Post
Just curious, but what happens when your Vram reaches its limit?
It splashes over into System Memory typically or the card is forced to remove unprioritized data from the memory. It can cause choke points in your FPS since you have to wait for the card to fetch the textures.
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post #15 of 21
1GB is fine for 1080/1200

anything higher really needs more.
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post #16 of 21
Quote:
Originally Posted by ComradeNF View Post
Just curious, but what happens when your Vram reaches its limit?
45/60 fps -> 10 fps, especially when moving between cities or going from a city to the outside world. Even turning around...

I'm downloading the "reduced and optimized" version tomorrow, hopefully that will help.
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post #17 of 21
6870's in crossfire scale very nicely! If you plan on getting another (for crossfire), you'll be all set for a while to come!!!
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post #18 of 21
You don't need it, but you can hit the limit with some games. I was capping my vram bandwidth on crysis with texture mods and 8x AA....
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post #19 of 21
I had a Vapor-x HD5870 OC 1gb at stock speed (875/1200). I can play any of my games without a problem at 1920x1080. Like AVP, Crysis and Dirt 2.
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post #20 of 21
Quote:
Originally Posted by ComradeNF View Post
Just curious, but what happens when your Vram reaches its limit?
You get vram choked, and fps spikes and stutters.
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