NVIDIA GeForce GT 640 's Advantages
Lower TDP (65W vs 295W)
AMD Radeon RX Vega 64 's Advantages
Released 5 years and 2 months late
Boost Clock1546MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (483.8GB/s vs 28.51GB/s)
3712 additional rendering cores