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GTX 750 Ti BOINC performance? - Page 2

post #11 of 19
I was just saying. Proportionally, a 3000 core Maxwell would pull over 350 watts. But I'm not an electronic engineer so I don't know if that's correct. There are no specs out on the new cards that I know off. The performance of 3000 cores would be pretty fantastic from just what I've seen videos and benchmarks of the 750 TI.
post #12 of 19
Thread Starter 
At 1320 Mhz , if it consumes 60W that's about 28 Gflops/W... about double efficiency of GK104 (full GK110 GTX TITAN Black & GTX 780 Ti is about 25-26 Gflops/W if it is on 1100 Mhz boost constantly)

My worry is that the memory bottlenecks since it's been found the 1350Mhz memory clock it ships with doesn't do it justice at all (despite claims of the larger cache helping)

Maxwell GTX 750 Ti = 640 CUDA cores (1 GPC)
So by inference then it would be 1280 CUDA cores for 2 GPCs, 1920 for 3 GPCs, 2560 for 4 GPCs, 3200 CUDA cores for 5 GPCs etc. assuming the number of SMM is constant per GPC

Another assumption is the the largest die presumably with double precision in mind is going to have the same structure within the SMM , which is not true (see GK110 vs Gk104/GK106/GK107)

Note:
Texture Fill Rate = (# of TMUs) x (Core Clock) --> proportional to cores due to the GCN/Kepler/Maxwell architecture
Pixel Fill Rate = (# of ROPs) x (Core Clock) --> independent of GPCs, this is the render back end
FLOPs= cores x Core clock x FLOPs per cycle --> "Moar cores" tongue.gif

Good read: http://international.download.nvidia.com/geforce-com/international/pdfs/GeForce-GTX-750-Ti-Whitepaper.pdf
Edited by AlphaC - 3/16/14 at 11:09am
post #13 of 19
I dialed it back to 1430 for 24/7 use. I was able to push it to 1510 using BOINC before I started noticing desktop video artifacts and possibly a validation error. All on stock BIOS and just using PCIe power. Can't wait for the 880s if this is any indication of Maxwell's potential.
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post #14 of 19
Makes me kind of sad I just picked up a 780 Ti instead of waiting for the 880, which is probably not till late this year. Having fun with it trying to OC to it full potential, though. Got it cranking out GPUGRID.net WUs for 8-10 hours a day. So far they've been valid too, so that's a plus. I haven't been really too active on OCN the past few years or really tried to overclock for that matter. Changed a multiplier here or there, but nothing too challenging until I met my i5-4670K. But there's a thread for that. tongue.gif
post #15 of 19
Well I haven't been convinced just yet.... I have an MITX system that isn't happy with my HD 7950 and fancy trying a 750Ti, only doing 1080P on my TV.

So for now I'm running Collatz on my GTX 480 to see how it compares. Noise and heat are too much for the ancient one to stay ! biggrin.gif

dunx

P.S. Is it possible to edit the coproc file to make BOINC only use half a graphics cards resources ? ( Overheating VRMs aren't healthy ! )
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post #16 of 19
Well, this sold me. All i need now is to get a low-profile version of this beastly card to place on my parent's PC's. Good thing i waited for this instead of getting 7750's biggrin.gif
   
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post #17 of 19
Thread Starter 
Quote:
Originally Posted by Starbomba View Post

Well, this sold me. All i need now is to get a low-profile version of this beastly card to place on my parent's PC's. Good thing i waited for this instead of getting 7750's biggrin.gif

http://store.galaxytechus.com/GALAXY-GeForce-GTX-750-Ti-GC-Slim-2-GB-GDDR5-PCI-Express-30-DVIHDMIVGA-Graphics-CardbrbrFree-Gift-150-In-Game-for-Warface-Path-of-Exile-and-Heroes-of-Newerth_p_90.html

or http://www.kfa2.com/750tioc.shtml

wink.gif
post #18 of 19
Quote:
Originally Posted by AlphaC View Post

Quote:
Originally Posted by Starbomba View Post

Well, this sold me. All i need now is to get a low-profile version of this beastly card to place on my parent's PC's. Good thing i waited for this instead of getting 7750's biggrin.gif

http://store.galaxytechus.com/GALAXY-GeForce-GTX-750-Ti-GC-Slim-2-GB-GDDR5-PCI-Express-30-DVIHDMIVGA-Graphics-CardbrbrFree-Gift-150-In-Game-for-Warface-Path-of-Exile-and-Heroes-of-Newerth_p_90.html

or http://www.kfa2.com/750tioc.shtml

wink.gif

My wallet smells like it's burning... tongue.gif
   
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post #19 of 19
Quote:
Originally Posted by Starbomba View Post

My wallet smells like it's burning... tongue.gif
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