NVIDIA GeForce GTX 1070 Ti 's Advantages
Released 5 years and 7 months late
Boost Clock1683MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.3GB/s vs 28.51GB/s)
2048 additional rendering cores
NVIDIA GeForce GT 640 OEM 's Advantages
Lower TDP (50W vs 180W)