NVIDIA GeForce GT 640 's Advantages
Lower TDP (65W vs 170W)
NVIDIA GeForce RTX 3060 's Advantages
Released 8 years and 7 months late
Boost Clock1777MHz
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (360.0GB/s vs 28.51GB/s)
3200 additional rendering cores