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HD6670, PSU requirements, alternatives

Last response: in Graphics & Displays
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May 18, 2012 10:45:15 AM

Hi folks,
I'm looking for a replacement graphic card for my GeForce 7600 GS on a quite old PC:

Gigabyte mobo GA 695P - S3
Intel Core 2 Duo E6600
3GB ram (2 ddr2 modules)
PSU Enermax EG495AX-VE(W)
1 sata HD
1 IDE HD
1 DVD-RW drive
1 FireWire PCI card

The PSU says the following:

+3.3 V 32 A
+5 V 32 A
+12V (1) 18 A
+12V (2) 18 A
-12V 0.8 A
+5Vsb 2.5 A
Total power 485W

I've managed to figure out on the internet that the combined output power on the 12V rail should be ~ 348 A, i.e. max 29 A, but I'm really not sure about this.

Now, I've been looking for a low power consumption card, given the few 18A on 12v rail and I noticed the AMD HD 6670. Do you think my PSU is going to supply enough power for that in my above PC configuration?
Among the alternatives I've been reasoning on, there're the HD 6570 and GeForce GT 430, but while they should have a lower overall power consumption / TDP, they seem to require higher A values on the 12v rail. What's you opinion here?
Thanks
Alessio

P.s. I'm probably going to play Diablo 3 with the new card and when not playing I usually run in Linux, so if anyone is aware of known incompatibilities, please comment on that too, thanks ;-)
a b U Graphics card
May 18, 2012 11:03:34 AM

The HD 6670 will fit right into your motherboard without any need for special power connectors to it. Your PSU can handle it, no sweat...

By the way, the 6670 is relatively weak card although it will be a tremendous boost compared to the 7600. Are you purposely selecting it so that you do not have to upgrade your PSU? Is it a limiting factor for you?
May 18, 2012 11:12:23 AM

randomkid said:
The HD 6670 will fit right into your motherboard without any need for special power connectors to it. Your PSU can handle it, no sweat...

By the way, the 6670 is relatively weak card although it will be a tremendous boost compared to the 7600. Are you purposely selecting it so that you do not have to upgrade your PSU? Is it a limiting factor for you?



OK, cool.
Yeah, basically, I'm willing to avoid changing the PSU. As you say, I expect a nice boot compared to the 7600GS (with ~ 70 Euro expense) for now, I'll evaluate a complete change of the PC in the future.

Thanks for the help.
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May 18, 2012 11:14:00 AM

s/nice boot/nice boost/ ;-)
a b U Graphics card
May 19, 2012 1:57:47 PM

^ :) 
You can actually edit your own post so you do not need to post a new comment. But there is no harm in posting new comment too...
!