NVIDIA GeForce GT 640M 's Advantages
Lower TDP (32W vs 50W)
NVIDIA RTX 2000 Embedded Ada Generation 's Advantages
Released 11 years late
Boost Clock2010MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 28.80GB/s)
2176 additional rendering cores