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7800 and 7900 - difference ?

Associate
Joined
1 Jan 2005
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511
Location
Dublin, Ireland
The 7900 series has less transistors and runs cooler as well as having higher clock speeds. They also don't work, if the amount of faulty 7900GTXs and GTs is anything to go by. If you're upgrading steer well clear of them and go for an ATI X1900 instead.
 
Associate
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1 Jan 2005
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511
Location
Dublin, Ireland
You should be alright with the 7950, I haven't seen any issues with them yet. It's the 7900 series that are broken I think. Also I don't think you need an SLi motherboard for the GX2, can anyone confirm this?
 
Soldato
Joined
21 Sep 2005
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14,837
Location
Bradley Stoke, Bristol
senorstealth said:
Though i thought the two cores were connected using some form of SLi, but i could be wrong
It does connect via SLI. but I think they did something so it works in non SLI motherboards....

Havent seen anyone confirm whether this will work in non-sli motherboards yet
:\

My 7900GT works lovely :)
 
Associate
OP
Joined
22 Apr 2003
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624
Location
Button Moon
yea my motherboard is not on the list (boohoo), Ive just installed the latest BIOS, set the jumpers to normal/single mode instead of SLI and Windows wont boot ! :confused:

before I installed the latest BIOS it worked but only on 1 card (GPU) which gave less performance than my 7800GTX SLI setup did.
 
Caporegime
Joined
8 Jul 2003
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30,062
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In a house
Yeah 7900's have got a built in kill switch, over time they die, could be seconds/hrs/minutes etc.... trouble is they don't say on the box how long the kill switch has been activated to last for, so you have to take a chance, and hopefully you' get one thats set to die after a week instead of a day or a couple of minutes.

As well as all the other differances theres also 100. :p
 
Associate
Joined
13 Apr 2006
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1,140
Sounds interesting, but I haven't seen anyone here (in OcUK) have any problems with 7900's dieing out??? Or did I miss something lol :eek:
 
Associate
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1 Jan 2005
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511
Location
Dublin, Ireland
ihatelag said:
Sounds interesting, but I haven't seen anyone here (in OcUK) have any problems with 7900's dieing out??? Or did I miss something lol :eek:
:eek: They're all over the place... Have a look about four threads below this one, I've just posted one. Here's a few:

http://forums.overclockers.co.uk/showthread.php?t=17597010
http://forums.overclockers.co.uk/showthread.php?t=17584610
http://forums.overclockers.co.uk/showthread.php?t=17595423
http://forums.overclockers.co.uk/showthread.php?t=17595364
http://forums.overclockers.co.uk/showthread.php?t=17590862
http://forums.overclockers.co.uk/showthread.php?t=17591915

And there's more...
 
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