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Sapphire 6950 2gb + (Maybe) Sapphire 6950 Toxic CF?

post #1 of 16
Thread Starter 
Is there any downside to CFing the two? I currently have the Sapphire 6950 and plan on getting 6950 Toxic but there is a 80 Core Clock difference.

800 vs 880
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Sata-II 3.0Gb/s 16MB Cache 7200RPM Window 7 3840x1080 DAS Keyboard 
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post #2 of 16
You can crossfire those 2 & everything will run perfectly fine.
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post #3 of 16
Quote:
Originally Posted by WizrdSleevz;15315757 
You can crossfire those 2 & everything will run perfectly fine.

this and also why not just OC the other one to 880 too?
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post #4 of 16
I think they will synch speed/settings to the slowest. Overclock them both to the same mem and core speeds.
post #5 of 16
What's your first Sapphire 6950 card ? if it's the DIRT3 edition, you might be able to UNLOCK and OVER CLOCK BOTH CARDS ... and then that will be like TWO x's HD-6970's crossfired-X and that'd be SWEET ! thumb.gifdrool.gif
   
LG/Google NEXUS 5
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Q9650 Yorkfield Quad-Core Asus IPIBL-LB (HP Benicia-GL8E) Sapphire TOXIC HD6950 {UnLocked 1536 shaders} 8 GB G. Skill Pi Black DDR2 
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LG/Google NEXUS 5
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CPUMotherboardGraphicsRAM
Q9650 Yorkfield Quad-Core Asus IPIBL-LB (HP Benicia-GL8E) Sapphire TOXIC HD6950 {UnLocked 1536 shaders} 8 GB G. Skill Pi Black DDR2 
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post #6 of 16
Thread Starter 
holy jokes? I didn't bother looking at the card I bought but it was def a Sapphire 6950 2gb not sure if I can unlock it though this was the one that I bought [ame="http://www.amazon.com/Sapphire-DL-DVI-I-SL-DVI-D-PCI-Express-100312-3SR/dp/B0055Y66A4/ref=sr_1_1?ie=UTF8&qid=1318721947&sr=8-1"]Amazon.com: Sapphire DIRT 3 EDITION Radeon HD 6950 2 GB DDR5 DL-DVI-I/SL-DVI-D/HDMI/DP PCI-Express Graphics Card 100312-3SR: Electronics[/ame].

Can my card run at 880 just fine? I dont have to up voltage OR some the mem ? Thanks
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-920 OC to 3.2 GHz Asus P6T Deluxe X58 Chipset Sapphire 6950 Unlocked Shaders 6970 18 GB 
Hard DriveOSMonitorKeyboard
Sata-II 3.0Gb/s 16MB Cache 7200RPM Window 7 3840x1080 DAS Keyboard 
PowerCaseMouseMouse Pad
Sigma Monster Power Supply 1000 Watt AZZA Solano 1000 Full-Tower Advance Cooling Case Razer Naga Razer 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-920 OC to 3.2 GHz Asus P6T Deluxe X58 Chipset Sapphire 6950 Unlocked Shaders 6970 18 GB 
Hard DriveOSMonitorKeyboard
Sata-II 3.0Gb/s 16MB Cache 7200RPM Window 7 3840x1080 DAS Keyboard 
PowerCaseMouseMouse Pad
Sigma Monster Power Supply 1000 Watt AZZA Solano 1000 Full-Tower Advance Cooling Case Razer Naga Razer 
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post #7 of 16
Back in the day it would just clock the higher one down to match the lower speed card.

Now, I have heard it does not lower the clock speeds with current xfire setups. Maybe someone can confirm?
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Nothing Special
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post #8 of 16
Quote:
Originally Posted by dashaman;15323131 
holy jokes? I didn't bother looking at the card I bought but it was def a Sapphire 6950 2gb not sure if I can unlock it though this was the one that I bought Amazon.com: Sapphire DIRT 3 EDITION Radeon HD 6950 2 GB DDR5 DL-DVI-I/SL-DVI-D/HDMI/DP PCI-Express Graphics Card 100312-3SR: Electronics.

Can my card run at 880 just fine? I dont have to up voltage OR some the mem ? Thanks

You bought the DIRT3 edition card ... that's GOOD NEWS ... first thing I'd do is see if that card can UnLock or not ... use my Step-by-Step Guide here - http://www.overclock.net/amd-ati/1136272-unlocked-sapphire-hd6950-dirt3-edition-6.html#post15253189

IF your card UnLocks the Shaders ... or even IF it doesn't ... then Yeah NEXT OC that card ... 880/1375 on the DIRT3 card should be no problem and I doubt you'd have to up the voltage, or worst very very minimally. I'd read through this thread - http://www.overclock.net/amd-ati/1137778-where-start-overclocking-2-gb-6950-a.html - for some pointers on it.

NOW IF you can get your DIRT3 edition card UnLocked AND OverClocked to HD-6970's level's you'd have to actually consider a X-fire with a second one of those IMO, though you could spend a bit more and do it with the TOXIC also, I just don't think I would. TWO UnLocked AND OverClocked Sapphire DIRT3 edition cards while not quite as good as TWO UnLocked AND OverClocked Sapphire TOXIC edition cards ... are STILL A HELL OF A COMBO, almost as good, and friendlier to your budget. It's the route I'd take in the position you find yourself in.

Best of Luck thumb.gif
   
LG/Google NEXUS 5
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Q9650 Yorkfield Quad-Core Asus IPIBL-LB (HP Benicia-GL8E) Sapphire TOXIC HD6950 {UnLocked 1536 shaders} 8 GB G. Skill Pi Black DDR2 
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SeaGate Barracuda 1TB 32MB Cache HP - DVD/CD combo Drive Cooler Master  MS Vista Home Premium 64 bit 
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LG/Google NEXUS 5
(10 items)
 
CPUMotherboardGraphicsRAM
Q9650 Yorkfield Quad-Core Asus IPIBL-LB (HP Benicia-GL8E) Sapphire TOXIC HD6950 {UnLocked 1536 shaders} 8 GB G. Skill Pi Black DDR2 
Hard DriveOptical DriveCoolingOS
SeaGate Barracuda 1TB 32MB Cache HP - DVD/CD combo Drive Cooler Master  MS Vista Home Premium 64 bit 
MonitorKeyboardPowerCase
HP w2207h Widescreen HP Stock BFG Tech LS-680 HP Pavilion 
Mouse
HP stock 
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Quad Core Krait 400 @ 2.30GHz  Qualcomm MSM8974(Snapdragon 800) Adreno 330 2GB LPDDR3-1600 
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post #9 of 16
Thread Starter 
Flipped the switch. Unlocked the shaders and OCed to 925/5700 good bad?
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(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-920 OC to 3.2 GHz Asus P6T Deluxe X58 Chipset Sapphire 6950 Unlocked Shaders 6970 18 GB 
Hard DriveOSMonitorKeyboard
Sata-II 3.0Gb/s 16MB Cache 7200RPM Window 7 3840x1080 DAS Keyboard 
PowerCaseMouseMouse Pad
Sigma Monster Power Supply 1000 Watt AZZA Solano 1000 Full-Tower Advance Cooling Case Razer Naga Razer 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-920 OC to 3.2 GHz Asus P6T Deluxe X58 Chipset Sapphire 6950 Unlocked Shaders 6970 18 GB 
Hard DriveOSMonitorKeyboard
Sata-II 3.0Gb/s 16MB Cache 7200RPM Window 7 3840x1080 DAS Keyboard 
PowerCaseMouseMouse Pad
Sigma Monster Power Supply 1000 Watt AZZA Solano 1000 Full-Tower Advance Cooling Case Razer Naga Razer 
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post #10 of 16
Quote:
Originally Posted by dashaman;15325287 
Flipped the switch. Unlocked the shaders and OCed to 925/5700 good bad?

HELL YEAH it is ... 5.7Gbps is what ? 1425MHz I think ? so you effectively bought yourself a HD-6970 (1536 shaders / 880 Mhz Core / 1375 Memory clocks) and OC'd it to 925 Mhz Core / 1425 Memory clocks,
for ONLY $245 wheee.gif at least I HOPE you didn't pay that $340 for it on Amazon ? rolleyes.gif

Congrats you have a card that should beat a stock GTX-570 and/or HD-6970 and often bump heads with a stock GTX-580. yessir.gif
   
LG/Google NEXUS 5
(10 items)
 
CPUMotherboardGraphicsRAM
Q9650 Yorkfield Quad-Core Asus IPIBL-LB (HP Benicia-GL8E) Sapphire TOXIC HD6950 {UnLocked 1536 shaders} 8 GB G. Skill Pi Black DDR2 
Hard DriveOptical DriveCoolingOS
SeaGate Barracuda 1TB 32MB Cache HP - DVD/CD combo Drive Cooler Master  MS Vista Home Premium 64 bit 
MonitorKeyboardPowerCase
HP w2207h Widescreen HP Stock BFG Tech LS-680 HP Pavilion 
Mouse
HP stock 
CPUMotherboardGraphicsRAM
Quad Core Krait 400 @ 2.30GHz  Qualcomm MSM8974(Snapdragon 800) Adreno 330 2GB LPDDR3-1600 
Hard DriveOSMonitorKeyboard
32GB NAND Android 4.4 Kitkat 4.95" 1080X1920 IPS Display Swiftkey 
PowerAudio
2300 mAh Battery Stereo Speakers 
  hide details  
Reply
   
LG/Google NEXUS 5
(10 items)
 
CPUMotherboardGraphicsRAM
Q9650 Yorkfield Quad-Core Asus IPIBL-LB (HP Benicia-GL8E) Sapphire TOXIC HD6950 {UnLocked 1536 shaders} 8 GB G. Skill Pi Black DDR2 
Hard DriveOptical DriveCoolingOS
SeaGate Barracuda 1TB 32MB Cache HP - DVD/CD combo Drive Cooler Master  MS Vista Home Premium 64 bit 
MonitorKeyboardPowerCase
HP w2207h Widescreen HP Stock BFG Tech LS-680 HP Pavilion 
Mouse
HP stock 
CPUMotherboardGraphicsRAM
Quad Core Krait 400 @ 2.30GHz  Qualcomm MSM8974(Snapdragon 800) Adreno 330 2GB LPDDR3-1600 
Hard DriveOSMonitorKeyboard
32GB NAND Android 4.4 Kitkat 4.95" 1080X1920 IPS Display Swiftkey 
PowerAudio
2300 mAh Battery Stereo Speakers 
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