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Crossfire 6950's (2GB) Vs. 660 Ti 2GB

post #1 of 17
Thread Starter 
So. Currently I have two, XFX Radeon 6950's in crossfire. Both cards are 2GB models.

I was wondering (I know there isn't much information about the performance of a 660 Ti yet) how you guys think they will compare to a 660 Ti.

Would I be better off using a 660 Ti? I don't need all the VRAM I have now, as I only use one screen. I'm trying to switch over to one card, to reduce temps... But find one that isn't crazy expensive in case I decide sometime down the future I want a second card, when performance starts taking a hit. I've heard that the 660 Ti is projected to perform better than a 580.

Also, what is the expected price of a 660 supposed to be?

I currently can max out BF3 pretty easily with my 6950's, but occasionally frame rate drops to 45 FPS lowest. (When V-Sync is enabled). Without V-Sync, the game runs at a steady "75 FPS", but the micro stutter makes it appear as though it's running under 40 FPS.
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post #2 of 17
A 660 isnt going to beat crossfire 6950s.
post #3 of 17
Thread Starter 
Quote:
Originally Posted by yanks8981 View Post

A 660 isnt going to beat crossfire 6950s.

I'm not looking for better performance... Just if the 660 can max BF3, at 60 FPS averagely, or more, at 1920 x 1080 I'll be happy.
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post #4 of 17
No way to know that until we see some benchmarks, anything else is guessing.
post #5 of 17
Quote:
Originally Posted by Sazexa View Post

I'm not looking for better performance... Just if the 660 can max BF3, at 60 FPS averagely, or more, at 1920 x 1080 I'll be happy.

I would say get a HD 7950 OC and overclock it. clock for clock is 3 - 5% slower than HD 7970.

here is a stock voltage overclocked HD 7950
http://www.anandtech.com/show/5476/amd-radeon-7950-review/18

here is a voltage overclocked HD 7950
http://www.hardocp.com/article/2012/03/01/xfx_radeon_hd_7950_black_edition_video_card_review/8

HD 7950 OC (1.1 Ghz) can easily run BF3 at 60 fps

http://www.techpowerup.com/reviews/Sapphire/HD_7950_Flex/31.html

BF 1920 x 1200 4x AA
HD 7950 (1025) - 69.7
GTX 680 - 71.8

http://www.newegg.com/Product/Product.aspx?Item=N82E16814127667
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102991

Both these cards come with a HD 7970 PCB. newegg user reviews confirm it. Sapphire HD 7950 950 Mhz edition is the fastest clocked HD 7950 out of the box. IMO Sapphire has the better cooler but MSI has 3 yr warranty and better price. pick what you like.
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post #6 of 17
Thread Starter 
A 7950 is a bad idea. I didn't know they had gotten so cheap. How will a 7950 compare to crossfire 6950's? (From what I've heard, a 7850 is about as powerful as a 6950.)

I'd probably go with XFX; I've had some really good experience with them. My two 6950's are XFX, also, and have the similar cooling design.

http://www.newegg.com/Product/Product.aspx?Item=N82E16814150589
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post #7 of 17
The 6950CF will dominate any of the single GPU cards out there, so it's not worth an upgrade unless you plan to get 2x 660Ti or 2x 7950s.
    
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post #8 of 17
Thread Starter 
Actually, after thinking about it, I've decided to say "F*** it", and I'll just keep my 6950's. Temps may be a little warm (tops around 70C), but that's nothing to really be too worried about.

Instead of making another thread, I'm curious as to how much performance difference it would make if I placed one 6950 in the top PCIe x 16 slot and the second 6950 in the second PCIe x 16 slot. Right now I have the first card in the top slot, and the second card in the third slot. (Sorry if there's confusion here; but there is a PCI slot of space bewteen the two cards, they're not RIGHT on top of each other.)

I believe it's running them both at x8 in this configuration, but in the closer (and probably much warmer) configuration it will run at x16 for both. Or am I wrong?

Motherboard is an ASUS Maximus IV P67 Extreme, REV 3.0.
http://www.asus.com/Motherboards/Intel_Socket_1155/Maximus_IV_Extreme/
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post #9 of 17
You won't find a big difference between 8x and 16x, not worth it if your temps are much higher.
    
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post #10 of 17
Quote:
Originally Posted by Sazexa View Post

I'm not looking for better performance... Just if the 660 can max BF3, at 60 FPS averagely, or more, at 1920 x 1080 I'll be happy.

I don't think it will. I have a highly overclocked 670 and it is barely able to do that in multiplayer. Stick with your current cards.
Quote:
Originally Posted by Sazexa View Post

Actually, after thinking about it, I've decided to say "F*** it", and I'll just keep my 6950's. Temps may be a little warm (tops around 70C), but that's nothing to really be too worried about.
Instead of making another thread, I'm curious as to how much performance difference it would make if I placed one 6950 in the top PCIe x 16 slot and the second 6950 in the second PCIe x 16 slot. Right now I have the first card in the top slot, and the second card in the third slot. (Sorry if there's confusion here; but there is a PCI slot of space bewteen the two cards, they're not RIGHT on top of each other.)
I believe it's running them both at x8 in this configuration, but in the closer (and probably much warmer) configuration it will run at x16 for both. Or am I wrong?
Motherboard is an ASUS Maximus IV P67 Extreme, REV 3.0.
http://www.asus.com/Motherboards/Intel_Socket_1155/Maximus_IV_Extreme/

You could probably use software like GPU-Z to see what they're running at.
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CPUMotherboardGraphicsRAM
Xeon E5-1660 v2 | 4.4 GHz ASUS X79 DELUXE EVGA GTX 1080 ACX G.Skill 16GB | DDR3 2133 CL9 
Hard DriveCoolingOSMonitor
WD Black 512GB NVMe | WD Blue 1TB SATA Phanteks PH-TC14PE W10 x64 ASUS VG248QE 
KeyboardPowerCaseMouse
Corsair K65 LUX RGB MX Red EVGA 750 G2 Corsair Air 540 Corsair M65 PRO RGB 
Audio
ASUS Xonar DX 
CPUMotherboardRAMHard Drive
Xeon X5670 | 4 GHz GIGABYTE X58-USB3 Mushkin Enhanced Redline 6GB | DDR3 1333 CL5 M4 128GB | [2] WD 640GB Blue [RAID0] 
CoolingOSKeyboardPower
Scythe Kotetsu W7 x64 Microsoft SideWinder x4 Corsair 750TX 
CaseMouseAudio
Corsair 500R White Corsair Raptor M45 ASUS Xonar DX 
CPUMotherboardGraphicsRAM
Pentium G4560 ASRock H110-STX Intel HD Graphics 610 G.SKILL 8GB | DDR4 2400 CL16 
Hard DriveCoolingOSMonitor
WD Black 256GB NVMe | WD Black 750GB SATA Noctua NH-L9i W10 x64 BenQ RL2455HM 
KeyboardPowerCaseMouse
Corsair STRAFE RGB MX Silent 120W/19V Power Adapter ASRock DeskMini Corsair Raptor M45 
Audio
Realtek ALC283 
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