Overclock.net › Forums › Graphics Cards › AMD/ATI › Can i crossfire this?
New Posts  All Forums:Forum Nav:

Can i crossfire this?

post #1 of 7
Thread Starter 
My friend is going to buy a new rig and we need to know if we can have 1 Sapphire 7870 XT crossfire with a ASUS 7870 GHz Edition.

And if that is possible we have seen that cards in crossfire on some games give you low fps like on crysis 2 Crossfire 7870's gave like 2 FPS for some reason and we need to know if we can avoid that with a setting or something.
post #2 of 7
Sure can, the card with higher clocks will downclock to the other cards clocks.

EDIT: Sounds like a bad driver was used or a benchmark error.
Edited by Trogdor - 5/9/13 at 7:01pm
So Quiet
(16 items)
 
Router
(10 items)
 
 
CPUMotherboardGraphicsRAM
5820K X99-A EVGA GTX 1060 6GB SSC GSkill Ripjaw V 4x8GB 
Hard DriveCoolingOSMonitor
Samsung 950 Pro 512GB Noctua NH-D15S 10 EDU 2x Dell U2715H 
KeyboardPowerCaseMouse
CM Storm gunmetal and browns Cooler Master V850 Cooler Master XB EVO Logitech G403 
Mouse PadAudioAudioOther
TECKNET Fluance SX6  S.M.S.L SA-60 Intel PRO/1000 PT Quad Port 
CPUMotherboardRAMHard Drive
Intel Xeon E3-1225 V3 Gigabyte H81M-DS2V Crucial Ballistix Sport 2X2GB  Hitachi Deskstar 320GB 
CoolingOSPowerCase
Cryorig M9i pfSense Capstone 450W Rosewill RSV-L4500 
OtherOther
Intel 9301CT Intel 9301CT 
CPUMotherboardGraphicsRAM
Intel Xeon E3-1225 V3 Asrock Rack C226 WS HD P4600 Crucial 16GB ECC  
Hard DriveHard DriveHard DriveOptical Drive
Crucial MX100  4 WD Red 2TB RAID 0+1 HGST Deskstar NAS 4TB Yep 
CoolingOSPowerCase
Stock Windows Server 2012 R2 Standard Seasonic 450RM Rosewill RSV-L4500 
Other
Intel PRO/1000 PT Quad Port 
  hide details  
Reply
So Quiet
(16 items)
 
Router
(10 items)
 
 
CPUMotherboardGraphicsRAM
5820K X99-A EVGA GTX 1060 6GB SSC GSkill Ripjaw V 4x8GB 
Hard DriveCoolingOSMonitor
Samsung 950 Pro 512GB Noctua NH-D15S 10 EDU 2x Dell U2715H 
KeyboardPowerCaseMouse
CM Storm gunmetal and browns Cooler Master V850 Cooler Master XB EVO Logitech G403 
Mouse PadAudioAudioOther
TECKNET Fluance SX6  S.M.S.L SA-60 Intel PRO/1000 PT Quad Port 
CPUMotherboardRAMHard Drive
Intel Xeon E3-1225 V3 Gigabyte H81M-DS2V Crucial Ballistix Sport 2X2GB  Hitachi Deskstar 320GB 
CoolingOSPowerCase
Cryorig M9i pfSense Capstone 450W Rosewill RSV-L4500 
OtherOther
Intel 9301CT Intel 9301CT 
CPUMotherboardGraphicsRAM
Intel Xeon E3-1225 V3 Asrock Rack C226 WS HD P4600 Crucial 16GB ECC  
Hard DriveHard DriveHard DriveOptical Drive
Crucial MX100  4 WD Red 2TB RAID 0+1 HGST Deskstar NAS 4TB Yep 
CoolingOSPowerCase
Stock Windows Server 2012 R2 Standard Seasonic 450RM Rosewill RSV-L4500 
Other
Intel PRO/1000 PT Quad Port 
  hide details  
Reply
post #3 of 7
you can, i would get 2 x Sapphire 7870 XT cards if you can as they a better than regular 7870's and overclock well with about 300 more shaders.
Going to be chaep
(16 items)
 
Wife's Rig
(12 items)
 
 
CPUMotherboardGraphicsRAM
i7-3770k Gigabyte GA-Z77X-UP5 TH MSI GTX460 G.Skill TridentX 2400 2 x 4GB 
Hard DriveHard DriveOptical DriveCooling
Plextor M5p 128GB 2 x WD 500GB Blues LG Prolimatech Megahalems Rev C 
CoolingOSMonitorPower
Arctic F12 CO PWM x 2 Push/Pull Windows 7 64 bit Ultimate LG IPS235V Corsair AX850 
Case
Coolermaster HAF 912 advanced (Asia version) 
CPUMotherboardGraphicsRAM
I5-3570K Gigabyte Z68X-UD3H-B3 Inno3D Ichill GTX660 8GB G.Skill RipjawsX 1600 
Hard DriveHard DriveOptical DriveCooling
Samsung 830 128GB WD black 500GB Liteon Coolermaster Hyper 212+ EVO 
OSMonitorPowerCase
Win 7 ultimate Samsung Syncmaster 932gwe+ OCZ ZT series 550W Coolermaster 410 
CPUMotherboardRAMHard Drive
1.67Ghz Atom stock 1GB DDR2 2 x 500GB Western Digital Cavier Blacks [RAID 1] 
CoolingOSPowerCase
stock DSM3.2 [built on linux] stock stock 
OtherOther
Synology DX510 Expansion unit 5 x 1TB WD Cavier Blacks in a RAID 6 
  hide details  
Reply
Going to be chaep
(16 items)
 
Wife's Rig
(12 items)
 
 
CPUMotherboardGraphicsRAM
i7-3770k Gigabyte GA-Z77X-UP5 TH MSI GTX460 G.Skill TridentX 2400 2 x 4GB 
Hard DriveHard DriveOptical DriveCooling
Plextor M5p 128GB 2 x WD 500GB Blues LG Prolimatech Megahalems Rev C 
CoolingOSMonitorPower
Arctic F12 CO PWM x 2 Push/Pull Windows 7 64 bit Ultimate LG IPS235V Corsair AX850 
Case
Coolermaster HAF 912 advanced (Asia version) 
CPUMotherboardGraphicsRAM
I5-3570K Gigabyte Z68X-UD3H-B3 Inno3D Ichill GTX660 8GB G.Skill RipjawsX 1600 
Hard DriveHard DriveOptical DriveCooling
Samsung 830 128GB WD black 500GB Liteon Coolermaster Hyper 212+ EVO 
OSMonitorPowerCase
Win 7 ultimate Samsung Syncmaster 932gwe+ OCZ ZT series 550W Coolermaster 410 
CPUMotherboardRAMHard Drive
1.67Ghz Atom stock 1GB DDR2 2 x 500GB Western Digital Cavier Blacks [RAID 1] 
CoolingOSPowerCase
stock DSM3.2 [built on linux] stock stock 
OtherOther
Synology DX510 Expansion unit 5 x 1TB WD Cavier Blacks in a RAID 6 
  hide details  
Reply
post #4 of 7
the sapphire HD 7870 XT uses the Tahiti LE chip. it can be crossfired with another HD 7870 Tahiti LE or the HD 7950 / HD 7970. ideally use another Sapphire HD 7870 XT for best results.
Fragbox
(14 items)
 
  
CPUMotherboardGraphicsGraphics
Intel Core i5 2400 DH67BL AMD Radeon HD 6900 Series XFX HD 6950 2GB 
RAMRAMHard DriveOptical Drive
Corsair Corsair DDR3 1333 Mhz 2 GB Corsair DDR3 1333 Mhz 2 GB Western Digital Caviar Green SONY DVD-RW AD-7260S 
OSMonitorKeyboardPower
Windows 7 Professional 32 bit BENQ G2420HD Logitech K200 Seasonic VX550 psu 
CaseMouse
ANTEC 200 V2 Logitech mouse 
  hide details  
Reply
Fragbox
(14 items)
 
  
CPUMotherboardGraphicsGraphics
Intel Core i5 2400 DH67BL AMD Radeon HD 6900 Series XFX HD 6950 2GB 
RAMRAMHard DriveOptical Drive
Corsair Corsair DDR3 1333 Mhz 2 GB Corsair DDR3 1333 Mhz 2 GB Western Digital Caviar Green SONY DVD-RW AD-7260S 
OSMonitorKeyboardPower
Windows 7 Professional 32 bit BENQ G2420HD Logitech K200 Seasonic VX550 psu 
CaseMouse
ANTEC 200 V2 Logitech mouse 
  hide details  
Reply
post #5 of 7
Thread Starter 
so if i get the Sapphire XT with the chip thingy or the powercolor one i can crossfire with a 7950?
post #6 of 7
by the looks you can probably becuase the 7870 xt is based on a light version of the 7950/70 tahiti chip
Quote:
Originally Posted by raghu78 View Post

the sapphire HD 7870 XT uses the Tahiti LE chip. it can be crossfired with another HD 7870 Tahiti LE or the HD 7950 / HD 7970. ideally use another Sapphire HD 7870 XT for best results.

plus raghu78 knows his stuff wink.gif
Going to be chaep
(16 items)
 
Wife's Rig
(12 items)
 
 
CPUMotherboardGraphicsRAM
i7-3770k Gigabyte GA-Z77X-UP5 TH MSI GTX460 G.Skill TridentX 2400 2 x 4GB 
Hard DriveHard DriveOptical DriveCooling
Plextor M5p 128GB 2 x WD 500GB Blues LG Prolimatech Megahalems Rev C 
CoolingOSMonitorPower
Arctic F12 CO PWM x 2 Push/Pull Windows 7 64 bit Ultimate LG IPS235V Corsair AX850 
Case
Coolermaster HAF 912 advanced (Asia version) 
CPUMotherboardGraphicsRAM
I5-3570K Gigabyte Z68X-UD3H-B3 Inno3D Ichill GTX660 8GB G.Skill RipjawsX 1600 
Hard DriveHard DriveOptical DriveCooling
Samsung 830 128GB WD black 500GB Liteon Coolermaster Hyper 212+ EVO 
OSMonitorPowerCase
Win 7 ultimate Samsung Syncmaster 932gwe+ OCZ ZT series 550W Coolermaster 410 
CPUMotherboardRAMHard Drive
1.67Ghz Atom stock 1GB DDR2 2 x 500GB Western Digital Cavier Blacks [RAID 1] 
CoolingOSPowerCase
stock DSM3.2 [built on linux] stock stock 
OtherOther
Synology DX510 Expansion unit 5 x 1TB WD Cavier Blacks in a RAID 6 
  hide details  
Reply
Going to be chaep
(16 items)
 
Wife's Rig
(12 items)
 
 
CPUMotherboardGraphicsRAM
i7-3770k Gigabyte GA-Z77X-UP5 TH MSI GTX460 G.Skill TridentX 2400 2 x 4GB 
Hard DriveHard DriveOptical DriveCooling
Plextor M5p 128GB 2 x WD 500GB Blues LG Prolimatech Megahalems Rev C 
CoolingOSMonitorPower
Arctic F12 CO PWM x 2 Push/Pull Windows 7 64 bit Ultimate LG IPS235V Corsair AX850 
Case
Coolermaster HAF 912 advanced (Asia version) 
CPUMotherboardGraphicsRAM
I5-3570K Gigabyte Z68X-UD3H-B3 Inno3D Ichill GTX660 8GB G.Skill RipjawsX 1600 
Hard DriveHard DriveOptical DriveCooling
Samsung 830 128GB WD black 500GB Liteon Coolermaster Hyper 212+ EVO 
OSMonitorPowerCase
Win 7 ultimate Samsung Syncmaster 932gwe+ OCZ ZT series 550W Coolermaster 410 
CPUMotherboardRAMHard Drive
1.67Ghz Atom stock 1GB DDR2 2 x 500GB Western Digital Cavier Blacks [RAID 1] 
CoolingOSPowerCase
stock DSM3.2 [built on linux] stock stock 
OtherOther
Synology DX510 Expansion unit 5 x 1TB WD Cavier Blacks in a RAID 6 
  hide details  
Reply
post #7 of 7
No, you can't crossfire a regular 7870 with the 7870 xt

sapphire 7870 xt is based on the Tahiti architecture. Normal 7870 is based on the Pitcain architecture.

The only Tahiti LE Graphic cards are made by powercolor, Vt3x, Club3d and Sapphire.
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: AMD/ATI
Overclock.net › Forums › Graphics Cards › AMD/ATI › Can i crossfire this?