NVIDIA GeForce 840M 's Advantages
Lower TDP (33W vs 90W)
AMD Radeon RX 7600M 's Advantages
Released 8 years and 10 months late
Boost Clock has increased by 114% (2410MHz vs 1124MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 16.02GB/s)
1408 additional rendering cores