NVIDIA GeForce GT 640 's Advantages
Lower TDP (65W vs 75W)
NVIDIA GeForce GTX 1050 3 GB 's Advantages
Released 5 years and 11 months late
Boost Clock1518MHz
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (84.10GB/s vs 28.51GB/s)
384 additional rendering cores