NVIDIA GeForce GT 640 's Advantages
Lower TDP (65W vs 125W)
AMD Radeon Pro 5500 XT 's Advantages
Released 8 years and 2 months late
Boost Clock1757MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 28.51GB/s)
1152 additional rendering cores