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The 4GB 670's aren't even better in 2xSLI, at Surround Resolutions (vs 2GB models) ... - Page 2

post #11 of 20
Quote:
Originally Posted by brettjv View Post

I suppose that's one way to look at it. But when you really consider the two options presented:

Option 1 (2x2GB)
- Save $100-120
- Play the game at full native resolution (3x1920x1200)
- Use FXAA Only
- Average 63fps/Min 28fps

Option 2 (2x4GB)
- Spend extra $100-120
- Play the game at (perhaps a) non-native resolution (3x1650x1050)
- Use 4xMSAA
- Average 35fps/Min 0 fps with lots of time <30fps

I think I end up feeling okay going with Option 1, and the $100 in my pocket. Even looking at the comparison at 2xAA and full-native resolution shows way too slow of performance on the 4GB cards for me to call it 'playable' ... I'd never use those settings either ...

This review pretty much shows you're better off spending the extra dough on a couple 2GB 680's vs. the 4GB 670's.

Also, Derfer ... profanity is not allowed on OCN, even when it's covered by **** thumb.gif

Great job brettjv!
Edited by maximus56 - 1/16/13 at 6:54pm
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post #12 of 20
Great topic that most of us user needs to discuss, thank you for the information thumb.gif
Quote:
Originally Posted by derfer View Post

The hitman example just tells me it's a good idea to get the double vram. Think about how much money you're spending in the first place, why skimp? I'd feel pretty crappy spending all that money and just seeing it crap out like that.

Or that the "hottest" games of 2013 onwards will tax your current GPU, needing a upgrade sooner than your wanted later.
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post #13 of 20
I think the VRAM bandwidth is PARTLY the issue, being 256bit BUS... I would really like to see how performance scales with the 2GB vs 4GB cards when overclocked, specifically: stock vs stock, Core OC vs Core OC, Mem OC vs Mem OC, C+M OC's vs C+M OC's...
It would stand to reason that overclocked cards would be better able to use the extra VRAM, but who knows...? (I don't!)
   
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post #14 of 20
Quote:
Originally Posted by nleksan View Post

I think the VRAM bandwidth is PARTLY the issue, being 256bit BUS... I would really like to see how performance scales with the 2GB vs 4GB cards when overclocked, specifically: stock vs stock, Core OC vs Core OC, Mem OC vs Mem OC, C+M OC's vs C+M OC's...
It would stand to reason that overclocked cards would be better able to use the extra VRAM, but who knows...? (I don't!)

Didn't it say they were both OC'ed as far as they could?
 
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post #15 of 20
Quote:
Originally Posted by spacin9guild View Post

Tri-SLI in surround is abysmal. Dual-SLI is the best scaling for triple monitors. Third and fourth cards aren't worth it. 50% and less GPU usage. Tri-SLI for one monitor? Good to go.
I get a continued high 90-98% GPU use in BF3 multiplayer with 3-way SLI 5760x1080 in 3d Surround. 2d Surround gets 70-90% GPU use, but it takes a lot of CPU horsepower and the right drivers to get there. 4-way SLI is when things go to hell thumbsdownsmileyanim.gif .

Thanks for the articles Brettjv awesome info! thumb.gif
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post #16 of 20
Thread Starter 
That article has me wanting to fire up some Hitman this evening ... IIRC, I have an evil lair/missile silo looking-place with a bunch of lab-coats to infiltrate next ...
    
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post #17 of 20
Quote:
Originally Posted by deafboy View Post

Didn't it say they were both OC'ed as far as they could?

I realize I wasn't very clear... I want to see the different effects overclocking has on core vs memory (vs both) on the 4GB cards as opposed to the 2GB cards, both as single-card and 3/4-way SLI. Just curious how much of the memory bandwidth issue can be alleviated by overclocking, and I like to see exactly "what has what effect"...
   
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post #18 of 20
Quote:
Originally Posted by Raptorpowa View Post

going to get the 670 2gb version for my 3rd rig...daughter want a rig...she started playing L.O.L....

Just an FYI there , L.O.L aka League of Legends doesn't require such a monster for a card , i was able to play LOL on my 7900GX2 with fps stuck at 60 and never getting lower than that ! You will be more than ok with a 650!
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post #19 of 20
Quote:
Originally Posted by nleksan View Post

I realize I wasn't very clear... I want to see the different effects overclocking has on core vs memory (vs both) on the 4GB cards as opposed to the 2GB cards, both as single-card and 3/4-way SLI. Just curious how much of the memory bandwidth issue can be alleviated by overclocking, and I like to see exactly "what has what effect"...

Gotcha...
 
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post #20 of 20
I'll comment, given that I decided a few months ago to see if going to 4GB cards would improve things when gaming...

I'll agree that for triple 1080p/1200p, 4GB cards are mostly wasted. smile.gif I can say that freely, without being remotely bothered about it. The 2GB/4GB interface is a different kettle of fish to that of the 1.5GB/3GB or 1GB/2GB ones, where it was incredibly easy with triplewide gaming to push past 1, 1.25 or 1.5GB of VRAM. We've reached the point where law of diminishing returns is rearing its ugly head. wink.gif On 1-1.5GB cards, 1080p+ triplewide was 'extreme'... to do the same with 2GB/4GB cards, you need to start thinking about 1440p or 1600p monitors, which in many cases are vastly more expensive anyway.

However... there are a few occasions where mine have made a difference... I can run Saints Row 3 on 6064x1200 Ultra (which sets AA and AF) on a 4GB card smoothly (albeit framerates aren't awesome, but it's playable) while on a 2GB card I needed to tweak the AA down to get it anything other than a slideshow. Watching VRAM 'allocation/use' - whichever it is - would lead me to conclude that at that res on Ultra, SR3 wants ever so slightly more than 2GB of VRAM, and that few hundred MB makes the difference between fitting in the 2GB range (smooth, if somewhat low fps due to lack of GPU grunt) or total slideshow due to swapping to system RAM. I play SR3 quite a lot since I bought it, because recently, when I do get time to game, I just want to relax and mess about. redface.gif It certainly doesn't need more than 2.5GB, though. Put that second 4GB card in, and framerates jump with the extra GPU. Lots of games simply don't use that much VRAM to make a difference, though - even some relatively modern ones struggle to break 1GB (Deus Ex: Human Revolution) while still looking pretty good.

The water is deeply muddied, however, by the way game developers currently seem to allocate VRAM. Battlefield 3 is a great example of this - it appears to just grab whatever it can, whether it actually needs it or not. What happened to good coding practice, only allocating the amount of memory required for a particularly operation? (I'm thinking of "malloc" in C programming here - why allocate more than you need, it's just wasteful!)

It'll take time before GPUs need a lot more VRAM for games... but tech advances have a habit of being used by the software industry - remember that 256MB of VRAM was 'a lot' when Doom 3 came out, and for max settings Doom 3 recommended the incredibly-rare 512MB 6800Ultra cards. Then 512MB became standard... and games used it up. Then a gig... and the same happened again.

Of course, that doesn't mean that the 4GB GTX670s and GTX680s will be powerful enough at that point to factor them into the equation... a bit like how (except for those using Matrox TripleHead2Go) the 1GB 8800GT was something of a damp squib. smile.gif
Aoi
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Midori
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Aoi
(20 items)
 
Midori
(14 items)
 
 
CPUMotherboardGraphicsRAM
Core i7 920 D0 Gigabyte G1.Killer Guerilla GTX670 4GB SLI 24GB Corsair Vengeance 
Hard DriveHard DriveOptical DriveCooling
WD Velociraptor Samsung F1 Blu-ray XL Corsair H70 
OSMonitorMonitorMonitor
Windows 7 Professional x64 Dell 2405FPW Dell U2410 Dell 2405FPW 
MonitorKeyboardPowerCase
Dell U2311H Microsoft Sidewinder X4 Silverstone Strider 1kw Corsair 700D 
MouseMouse PadAudioOther
Logitech G500 Ozone XL Integrated Logitech G13 
CPUMotherboardGraphicsRAM
Core i5 3570K Asus P8Z77-M Pro nVidia GTX680 Corsair Vengeance LP 16GB 
Hard DriveOptical DriveOSOS
WD Velociraptor 600GB Samsung DVD+RW Windows 7 Home Premium x64 Ubuntu Server Customised 
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Triple Dell U2412M Sidewinder X6 Corsair TX750 Fractal Design R4 
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