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580 1.5GB SSC or 580 3GB for BF3 @ 1080p? - Page 4

post #31 of 45
=[ vram usage in current games is jumping at an alarming rate. I've notice 1.7gb on my 580s during the beta. Before you know it, you'll find games using 2.5gb. I would invest in a 3gb card. Sure, 1.5gb may cut it right now at 1080p, but do you want to upgrade in 3 months when it doesn't cut it any longer?
post #32 of 45
Quote:
Originally Posted by rocklobsta1109 View Post
While 3gb is nice, it isn't necessary. For one screen, especially 1080p, you'll be fine with a 1.5gb model.
Inocrrect.

More VRAM is good, but it won't increase performance. It's just a good idea to have more than you need. You don't want to limit yourself in any way. Plus you can easily overclock the card yourself without having to pay extra for a pre overclocked version.
post #33 of 45
My 6850 plays BF3 with it's 1GB at medium settings at 1080p. Not a good comparison, but my buddy's 580 is a 1.5GB. It plays the beta at high settings with a decent frame rate at 1080p.

If you are not going above 1080p, I can't see why you would need more than 1.5GB. When games get to the point where they need 2GB+ of VRAM, the 580s will probably be pretty obsolete. Get something with a decent clock, and overclock it some more. If you are playing at extreme resolutions, then get the 3GB. Simple as that.
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post #34 of 45
Quote:
Originally Posted by FightingEdge View Post
My 6850 plays BF3 with it's 1GB at medium settings at 1080p. Not a good comparison, but my buddy's 580 is a 1.5GB. It plays the beta at high settings with a decent frame rate at 1080p.

If you are not going above 1080p, I can't see why you would need more than 1.5GB. When games get to the point where they need 2GB+ of VRAM, the 580s will probably be pretty obsolete. Get something with a decent clock, and overclock it some more. If you are playing at extreme resolutions, then get the 3GB. Simple as that.
VRAM usage is kinda skyrocketing at the moment. The 580 won't be obsolete in 3 months and I feel like GPU usage will be higher by then. 3gb as a future proof even if you plan on upgrading in a year
post #35 of 45
Quote:
Originally Posted by johnadams View Post
VRAM usage is kinda skyrocketing at the moment. The 580 won't be obsolete in 3 months and I feel like GPU usage will be higher by then. 3gb as a future proof even if you plan on upgrading in a year
For higher resolutions, more VRAM is always better. No disputing that. Maxing out games will become more difficult in the coming year. Skyrim will be a SOB to play at high resolutions.

If you get the cheaper 1.5GB now, I am assuming he would want to upgrade in a year or two. The clock speed of the 3GB version could become the same hinderance as the 1.5GB of VRAM. It really depends on the monitor in my opinion. Speaking of, what monitor is he using?
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post #36 of 45
Boy this question pops up so often there should be sticky. With proof.

There are a lot of people who are misinformed that on a single monitor you need more than 1GB VRAM with games that are VRAM intensive. If this was the case, according to them, 2GB won't be enough spread across three monitors.

When we know that 2GB VRAM is being used and recommended on a multiple monitor set up even though VRAM is exceeding 2GB VRAM on some games. What's their logic in this? How is it that for one monitor 1GB VRAM isn't enough but 2GB VRAM for multiple monitors at higher resolution are? Think about it....they're wrong on the first account or wrong on the second. The answer is their wrong on the first account.

Even if my games are pegged at 1.5GB VRAM with my 580 1.5GB, a 3GB VRAM card isn't providing more FPS on single monitor than me and we are right on par with each other in performance. Why is that? Think about it....

If you don't ever plan on getting multiple monitors, save the money and the 1.5GB VRAM card is more than enough. Even if later down the road you want to 3D vision game or watch 3D blu-ray movies. I'm doing it on my 120Hz monitor right now.

Crysis, Crysis 2, Metro 2033, Witcher 2, and BF 3 beta no problem.
     
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post #37 of 45
As if you would not go for the 3GB.

Its like a $50 difference in price between the 1.5 and 3gb models!
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post #38 of 45
The beta used more than 1.5GB of vram at a point especially with everything on Ultra, so I would recommend getting the 3GB model and just calling it a day. Remember, it's all in what you can AFFORD, and what YOU want.

Also, the final textures were not even included and some people had issues running the game on specific settings. My highest peak usage on the Beta was about 1.7GB of vram.

Some say that 1.5 is more than enough for 1080p but with some games I have to disagree. Crysis2, Metro, BF3, I would put money that it will be a vram monster and will hang up there with the other titles I've listed.
 
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post #39 of 45
Quote:
Originally Posted by Dustin1 View Post
Some say that 1.5 is more than enough for 1080p but with some games I have to disagree. Crysis2, Metro, BF3, I would put money that it will be a vram monster and will hang up there with the other titles I've listed.
As true as that may be! I still play those games fine maxed out, with 1.5GB of VRam
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post #40 of 45

On a single 1080p monitor the 580 1.5GB got 64.5 FPS vs 580 3GB that got 65.2FPS is 'miniscule' difference running Crysis, a game that exceeded the 1.5GB VRAM ceiling. Even running out of VRAM didn't effect performance on a single monitor.

He also confrimed that on multiple monitors VRAM truly effects performance as more memory is needed to store the info it's rendering. More VRAM in this case is better.

My strong suggestion to anyone thinking multiple monitors is 3GB cards. Todays 2GB cards will need to be replaced with 3GB cards for better performance as gaming VRAM grows and spread across three monitors at high resolution. Here is where 3GB is better than 2GB.


     
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