NVIDIA GeForce GT 645 OEM 's Advantages
Lower TDP (102W vs 120W)
NVIDIA GeForce GTX 1660 's Advantages
Released 6 years and 11 months late
Boost Clock1785MHz
More VRAM (6GB vs 1024GB)
Larger VRAM bandwidth (192.1GB/s vs 91.87GB/s)
1120 additional rendering cores