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Mixing 5770's?

post #1 of 7
Thread Starter 
So I have a single XFX 5770 XXX edition GPU. I'm considering buying a second one since they're only $110 on newegg and going crossfire.

However, I wanted to ask if it would be ok to match a XXX edition card with a regular XFX 5770 (non-XXX). As far as I know, the XXX only added like 25MHz to the core and 100MHz to the memory clock. Would this be an issue?

How would the cards behave if put together? Would the XXX be throttled down to match the standard card, or would I have to handle this all myself?
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Corsair M4 SSD WD Caviar Black DVD-RW Corsair H60 CPU cooler 
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post #2 of 7
Overclock the other card.

I think they would behave like 2 normal 5770-s.
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post #3 of 7
You can mix different cards, even in the same series. Like for example a 5770 & 5750. However, the "stronger" card will downclock to the other card if your trying to Crossfire, which I assume your doing.

Your XXX card will downclock to match the speed of your XFX card.
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post #4 of 7
Quote:
Originally Posted by Zackcy View Post
You can mix different cards, even in the same series. Like for example a 5770 & 5750. However, the "stronger" card will downclock to the other card if your trying to Crossfire, which I assume your doing.

Your XXX card will downclock to match the speed of your XFX card.
this is true, i crossfired my 5770 with a 5750 a friend had to see if it would do anything ( he claimed the card was dead because it didnt show a screen on boot) turns out it only had dead dvi ports, hdmi worked fine
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post #5 of 7
I currently have two different brands with 2 different card in my rig in crossfire (6850/70).

It's all good.
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post #6 of 7
Thread Starter 
Wow, that's great news!! Thank you all for the fast replies

I would definitely OC the second card at least up the XXX level. Probably not further though because my 22" monitor only goes to 1680x1050 and 2x5770 would be more than enough for anything I play at max res.
Must go faster...
(18 items)
 
  
CPUMotherboardGraphicsRAM
PhenomII x4 980 ASUS Sabertooth 990FX XFX HD Radeon 5770 crossfire (x2) Corsair Vengeance 
Hard DriveHard DriveOptical DriveCooling
Corsair M4 SSD WD Caviar Black DVD-RW Corsair H60 CPU cooler 
OSMonitorKeyboardPower
Windows 7 x64 ASUS 22" Microsoft Sidewinder x4 Corsair RM750 
CaseMouseAudioAudio
Apevia X-Telestar Mid-tower Logitech M-U0007 SteelSeries Siberia V2 Altec Lansing ACS48 
Other
SoundBlaster Z SBX 
  hide details  
Reply
Must go faster...
(18 items)
 
  
CPUMotherboardGraphicsRAM
PhenomII x4 980 ASUS Sabertooth 990FX XFX HD Radeon 5770 crossfire (x2) Corsair Vengeance 
Hard DriveHard DriveOptical DriveCooling
Corsair M4 SSD WD Caviar Black DVD-RW Corsair H60 CPU cooler 
OSMonitorKeyboardPower
Windows 7 x64 ASUS 22" Microsoft Sidewinder x4 Corsair RM750 
CaseMouseAudioAudio
Apevia X-Telestar Mid-tower Logitech M-U0007 SteelSeries Siberia V2 Altec Lansing ACS48 
Other
SoundBlaster Z SBX 
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post #7 of 7
Quote:
Originally Posted by alkusoittow View Post
Wow, that's great news!! Thank you all for the fast replies

I would definitely OC the second card at least up the XXX level. Probably not further though because my 22" monitor only goes to 1680x1050 and 2x5770 would be more than enough for anything I play at max res.
Yup. Enjoy .
The AMD machine
(14 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1055t @ 3.8 GHZ Asus M4A79XTD EVO XFX Radeon 6850 1GB OCed G.Skill Ripsaw 16 GB (2x8GB) 1512 mhz @ 7-8-7-24 
Hard DriveOptical DriveCoolingOS
|WD Caviar Black 640GB|Seagate Barracudas 2TB X2| Lite-On Black 24X DVD Burner Cooler Master Hyper 212+ Windows 7 Professional 64-bit 
MonitorKeyboardPowerCase
BenQ 24" das Keyboard Model S Brown  OCZ Fatal1ty 550W PSU Coolermaster Storm Scout 
MouseMouse Pad
Razor DeathAdder Narlyfish 
  hide details  
Reply
The AMD machine
(14 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1055t @ 3.8 GHZ Asus M4A79XTD EVO XFX Radeon 6850 1GB OCed G.Skill Ripsaw 16 GB (2x8GB) 1512 mhz @ 7-8-7-24 
Hard DriveOptical DriveCoolingOS
|WD Caviar Black 640GB|Seagate Barracudas 2TB X2| Lite-On Black 24X DVD Burner Cooler Master Hyper 212+ Windows 7 Professional 64-bit 
MonitorKeyboardPowerCase
BenQ 24" das Keyboard Model S Brown  OCZ Fatal1ty 550W PSU Coolermaster Storm Scout 
MouseMouse Pad
Razor DeathAdder Narlyfish 
  hide details  
Reply
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