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Cost per Cuda Core

Posted: Wed Oct 26, 2016 5:19 am
by Critters
I made a little table that compares the 10 series cards to figure out the lowest cost per CUDA core.
GPU \ CUDA Cores \ Price \ $perCC
GTX 1060 3GB \ 1152 \ $199.00 \ $0.17
GTX 1060 6GB \ 1280 \ $266.99 \ $0.21
GTX 1070 \ 1920 \ $409.99 \ $0.21
GTX 1080 \ 2560 \ $669.99 \ $0.26
TITAN Z \ 3584 \ $1,200.00 \ $0.33
For the cost of a single TITAN you could get 6 1060s and have 1.9x more cores. Or get 3 and have the same number of cores and $600 in your pocket.

But this leads me to the question I can't find an answer for... are all CUDA cores created equally? Are 3x1060s (3456 cores) the same as 1xTITAN (3584 cores)?

FYI, the 1050 and 1050Ti are worse in the $perCC than the 1060 so I didn't include them in the table
You'd also have to factor in that most Motherboards don't support 6 double slot cards, forcing you to get ones that do and spending more there... but the 3x1060 vs 1xTITAN is more interesting.

Re: Cost per Cuda Core

Posted: Wed Oct 26, 2016 1:11 pm
by bepeg4d
Hi Critters,
yes you can compare CUDA cores, but only within the same architecture, eg only Pascal GPUs or Maxwell and so on.
To make the thing a bit more complicated, you should have to consider also the VRAM quantity in some way and the speed should be influenced by CUDA cores for 75% and by memory speed for 25% roughly.
ciao beppe

Re: Cost per Cuda Core

Posted: Thu Oct 27, 2016 8:32 am
by RahiSan
Interesting topic.

Don't forget you also have to factor in the cost of additional pc hardware you need to support 6 or 12 cards instead of just one or two titans. You also pay for less heat and and less used space with the titans I guess.

Re: Cost per Cuda Core

Posted: Fri Oct 28, 2016 2:22 am
by Critters
Thanks guys,

Yeah, you would have to spend more on other hardware to support 6 GPUs, but 3x GTX 1060 6GB should fit in a standard case and with standard desktop hardware and cost less than a single Titan. Good to know the info you shared bepeg4d.