NVIDIA GeForce GTX 660 OEM 's Advantages
Lower TDP (130W vs 180W)
NVIDIA GeForce GTX 1080 's Advantages
Released 3 years and 9 months late
Boost Clock has increased by 95% (1733MHz vs 888MHz)
More VRAM (8GB vs 1536GB)
Larger VRAM bandwidth (320.3GB/s vs 134.4GB/s)
1408 additional rendering cores