NVIDIA GeForce RTX 3070 's Advantages
Larger VRAM bandwidth (448.0GB/s vs 432.0GB/s)
3328 additional rendering cores
Lower TDP (220W vs 250W)
AMD Radeon RX 6750 GRE 12 GB 's Advantages
Released 3 years and 1 months late
Boost Clock has increased by 50% (2581MHz vs 1725MHz)
More VRAM (12GB vs 8GB)