AMD FirePro D500 's Advantages
Released 1 years and 5 months late
More VRAM (3GB vs 1GB)
Larger VRAM bandwidth (243.8GB/s vs 134.4GB/s)
384 additional rendering cores
NVIDIA GeForce GTX 660 OEM 's Advantages
Boost Clock888MHz
Lower TDP (130W vs 274W)