Blender - Render Time Benchmarks
Hardware
CPU: AMD FX 8350 Eight-Core Processor 4.00 Ghz
GPU: AMD Radeon R7 260X 2GB GDDR5
OS : Windows 10.0 64 bits compilation 14393
Time GPU (OpenCL)
16 x 16 - 60:00+
32 x 32 - 25:00+
64 x 64 - 12:23
128 x 128 - 06:24
256 x 256 - 04:56
512 x 512 - 04:38
Time CPU
8 x 8 - 07:55
16 x 16 - 08:34
32 x 32 - 07:04
64 x 64 - 07:56
128 x 128 - 07:33
256 x 256 - 09:28
512 x 512 - 22:00+