NVIDIA GeForce GTX 660 OEM 's Advantages
Released 4 years and 5 months late
Boost Clock888MHz
More VRAM (1536GB vs 256GB)
Larger VRAM bandwidth (134.4GB/s vs 26.56GB/s)
832 additional rendering cores
ATI Radeon HD 3690 's Advantages
Lower TDP (75W vs 130W)