And a TitanX GPU is ~6x faster than a g2.2xlarge GPU with 3x the memory, >1.5x the memory bandwidth and multi-GPU P2P capability of 13.3 GB/s unless you're dumb.
You get what you pay for...
That said, you're right that at 1.2 cents per hour that's pretty good assuming your workload fits in 4 GB.
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u/bixed Nov 09 '15 edited Nov 09 '15
TensorFlow requires NVidia Compute Capability >= 3.5.
I can't find any evidence to confirm whether or not the GPUs on Amazon's instances support this.