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GPUs to max out BF3 and other demanding games? - Page 4

post #31 of 67
Quote:
Originally Posted by born2bwild View Post
The issue of VRAM is quite exaggerated. Usually, if it is lacking, your PC will find it easy to use RAM instead, costing you a few fps but nothing drastic.
I saw quite a large stuttering and drop in FPS when i had 570's in SLI and tried it with everything on Ultra and 4xMSAA. It would work fine most of the time but sometimes drop 20 fps or so.
post #32 of 67
Quote:
Originally Posted by OwnedINC View Post
Oddly you seem to defy most benchmarks out there, along with missing the point of the term maxed.

OT: 2 460s are plenty for BF3 if you're just looking for a good experience.
Oddly the ones telling him to buy 6970's to max BF3 are defying benchmarks....To the op, if your concern is FULLY maxing BF3 with MSAA and AA fully enabled I would look at the 570 or 580 in SLI. The 6950/6970 is a decent choice, but do have issues with MSAA enabled. Personally, for BF3 I would look elswhere for playing maxed out. Do not take some of these guys word for it. Hit the web and read the performance reviews that have been done so far and you'll find your answer there. I've quicky realized that some of the guys here just want you to buy the same gpus that they have.


Take a look....



From Techspot.com:

While some things have changed since we tested the Battlefield 3 beta a month ago, overall the performance trends were very much the same.
Being blatant for a second, the Radeon performance both sucked and impressed. Both AMD and Nvidia supplied us with their own version of a "reviewers guide" for Battlefield 3 along with their latest drivers.



Nvidia didn’t bother to compare their products to AMD’s when putting together their reviewers guide. AMD, on the other hand, included extensive testing putting products from both companies head to head. That testing cast the Radeon series in a good light, however we found it odd that in virtually every test AMD used the Ultra settings but with MSAA completely disabled.

When we started testing on our own it became apparent why AMD did this. With MSAA enabled the performance sharply declines with Radeon boards and previous generation Nvidia products make AMD’s current generation hardware look foolish. However disabling MSAA allows AMD to catch up to Nvidia, as you saw in our High quality 1680x1050, 1920x1200 and 2560x1600 tests.

Without MSAA the Radeon HD 6970 looks far more impressive, as it was able to match the GeForce GTX 580 while setting you back 27% less. The same can be said about multi-GPU setups which saw the Radeon HD 6970 Crossfire cards mimic the performance of the GeForce GTX 580 SLI configuration.


To the thread starter:
If you're ok without maxing MSAA then the 6970's seem like a very good buy. Some guys will say you can't tell the difference or you don't need to have it enabled, but I think that varies with opinion.The details are in the eye of the beholder. In my opinion you can definately enjoy the game without MSAA and it still looks amazing, but personally I choose to leave it on because it does improve image quality and smooth out edges quite a bit. FXAA is an alternative to MSAA, but you'll take a hit in image quality because it seems to cause SOME blurriness. You can read more about using FXAA at the [H]ardOCP forums....



Edit:Watch this post get attacked simply because I was honest and gave my opinion.
Edited by RawFoodPhil - 11/4/11 at 2:05pm
post #33 of 67
1x 6970 OC'd should do the job, just no AA DEF(MSAA) off

i'm getting 60-95fps on mine MSAAx2 i'll get 40-60fps and MSAAx4 37-50fps

edit: and yes you will not see a diff w/ MSAA on... i play w/ 10 ppl regularly, GTX580 480 560 / HD6850 etc non of us can tell the diff when playing.
Edited by omni_vision - 11/4/11 at 5:05am
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post #34 of 67
Quote:
Originally Posted by Eggy88 View Post
I saw quite a large stuttering and drop in FPS when i had 570's in SLI and tried it with everything on Ultra and 4xMSAA. It would work fine most of the time but sometimes drop 20 fps or so.
This hasnt been the case for me at all when I'm running 570 sli in BF3. If he isnt concerned with running MSAA, cf 6970 should be the hands down choice.
Edited by RawFoodPhil - 11/4/11 at 5:36am
post #35 of 67
Quote:
Originally Posted by RawFoodPhil View Post
This hasnt been the case for me at all when I'm running 570 sli in BF3. If he isnt concerned with running MSAA, cf 6970 should be the hands down choice.
To quote the OP.

Quote:
Originally Posted by TheBirdman74 View Post
Hi, I was wondering what kind of GPU power do I need to completely max out BF3 and any other high demanding games like it?
I only testet the 570's on the Beta, and all i know regarding 580's in SLI is what i have been told by kcuestag, and that is that he is playing it @ 1080p with 2xAA and seeing a max VRAM around 1400Mb, and myself play it with 6970's in CF with the same settings and 4xMSAA and seeing 250Mb VRAM on top of that (1650Mb)

How Techspot is able to play it with 4xMSAA @ 1200p and still not running into VRAM issues is strange to me, they should be topping out at around 1800Mb, 1200p is 12% more px then 1080p, 1650Mb + 12% = 1850Mb (Don't know if it works that way)

I was told earlier that if you run out of VRAM it will start using RAM to some extent, but i don't know if that is true or how this will effect the Fps.
post #36 of 67
Quote:
Originally Posted by Eggy88 View Post
I was told earlier that if you run out of VRAM it will start using RAM to some extent, but i don't know if that is true or how this will effect the Fps.
When you run out of VRAM, your RAM can and will be used. If you go to the Windows experience Index and click on "view and print detailed performance..." you can see how much of your RAM is allowed by your system to be used in addition to VRAM for graphics.

It will look something like this:

Total available graphics memory: VRAM + RAM shared
- Dedicated graphics memory: VRAM
- Shared system memory: RAM able to be used along with VRAM

However, shared RAM is slightly slower than VRAM, and because of that the fps is slightly hit (~5%) when the shared RAM is used (the more RAM is used, the more the performance is degraded, obviously).

This is the reason why the GTX 570 is clearly superior to a 6950 at 1080p, but at 1600p they tie. The VRAM limitations of the GTX 570 cause it to lose a small percentage of its performance over the use of shared system memory.

Hope you understood my explanation.
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post #37 of 67
2x6970's or 580's for playable FPS at 1080p Ultra. nothing less.
post #38 of 67
My 2x 5870s CF runs 1080p Ultra with MSAA off and Post-Processing AA on High at 60fps all day (VSync on).
Edited by kevmc175 - 11/4/11 at 11:45am
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post #39 of 67
MSAA is pointless. There is no point in using it. You will fail an A-B test with it on and off every single time. There is literally no visual improvement. You'll only know it's on by the drop in FPS.
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post #40 of 67
GTX 480's do well, I'm running 2560x1600 on 480 tri sli and have never seen much less than 80FPS most of the time it's at 77-120 FPS at maxed settings, Since the beta Vram never goes over 1475mb but they put off a lot of heat glad mine are watercooled and glad I didn't upgrade yet!

As cheap as 480's are now depending on your video resolution one or two should max it, I know three can handle a 30" monitor.
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