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GTX 275 or GTX 260 (216 core) SLI

post #1 of 24
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Hi!


Even though it's kinda far away still, I'm wondering on buying a second GTX 275 or GTX 260 (216 core) for my brother for his birthday.

He has these two: My old GTX 275 and his own GTX 260 (216 core).

If I buy another of either one, would it be a good setup for SLI, or is the perfomance so low compared to the 400 and 500 series that it's simply stupid?

I will buy it used.


So what do you think? Is it a reasonable/good addition to his system?


Thanks! smile.gif
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post #2 of 24
You can flash the GTX 275 with 260 BIOS and it will register as 260 so you can SLI biggrin.gif
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post #3 of 24
Quote:
Originally Posted by Grobinov;11969122 
You can flash the GTX 275 with 260 BIOS and it will register as 260 so you can SLI biggrin.gif

Win if it works.
post #4 of 24
Thread Starter 
Quote:
Originally Posted by Grobinov;11969122 
You can flash the GTX 275 with 260 BIOS and it will register as 260 so you can SLI biggrin.gif

Are you serious?? How can I do that??
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post #5 of 24
Quote:
Originally Posted by Kand;11969134 
Win if it works.

It does I have my GTX 275 flashed to 260 and it scores 9k (260 score) in Vantage and reads as 216 sp in GPU-Z, I can post pics in about an hour if anybody wants biggrin.gif
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post #6 of 24
Thread Starter 
Quote:
Originally Posted by Grobinov;11969138 
It does I have my GTX 275 flashed to 260 and it scores 9k (260 score) in Vantage and reads as 216 sp in GPU-Z, I can post pics in about an hour if anybody wants biggrin.gif

Please do! smile.gif And explain how you did flash it biggrin.gif
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post #7 of 24
Quote:
Originally Posted by WhitePrQjser;11969144 
Please do! smile.gif And explain how you did flash it biggrin.gif

Okay will post pictures and Vantage runs: stock gtx 275, gtx 275 at 260 clocks and gtx275 flashed to 260 BIOS so you can decide yourself tongue.gif
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post #8 of 24
Well benchmarking is done so here are the pictures:

First off GTX 275 with EVGA 260/216 BIOS:

275260bios.jpg

Vantage results:

275260biosvantage1.jpg



Now the flasing screen in DOS:

biosflash.jpg



Now this is GTX 275 downclocked to 260 clocks (for comparison with 216 bios)

275dc.jpg

Vantage results:

275dcvantage.jpg



And for the end stock GTX 275 Vantage run:

275vantage.jpg



As you see it performs like 260 and looks like 260 so it should work in SLI, but I can't proove that just yet because my PSU would commit suicide if I tried to SLI on it (*looking at Enermax RMA, its been a month now*)

If you need any help with BIOS flashing just PM me and I'll help biggrin.gif
Edited by Grobinov - 1/11/11 at 11:57am
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post #9 of 24
thanks for the bench shots. btw what motherboard were you using?
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post #10 of 24
Uhh, It won't work in SLi. You need the same GPU, and despite being a GT200 the GTX 275 has a different revision. The only way it'd actually work is if you flashed the 275 with a GTX 260 bios making it a GTX 260.

So it's not enough to just flash it down to the 260's clock, you need to actually flash it with a GTX 260 bios so it identifies as a GTX 260 and not a GTX 275.
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