NVIDIA GeForce GTX 660 's Advantages
Lower TDP (140W vs 250W)
NVIDIA P102 101 's Advantages
Released 5 years and 4 months late
Boost Clock has increased by 62% (1670MHz vs 1032MHz)
More VRAM (10GB vs 2GB)
Larger VRAM bandwidth (320.3GB/s vs 144.2GB/s)
2240 additional rendering cores