GPU rendering Blender Cycles vs. CPU rendering Blender cycles
Setup:
Blender 2.70, resolution: 1500x700px, 1000 samples
Rendertime:
Single core I7 3770K: 1h:16m:14s, price: 0,59$
Dual core Xeon 2650: 0h:32m:33s, price: 0,62$
Dual Tesla K20x: 0h:10m:46s, price: 1,02$
The dual GPU rendering system is 7.1 times faster than single CPU system with an I7 3770K and 3.0 faster than the dual Xeon 2650 system.
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