NVIDIA GeForce MX450 30.5W 8Gbps 's Advantages
128 additional rendering cores
Lower TDP (31W vs 50W)
AMD Radeon RX 6450M 's Advantages
Released 2 years and 5 months late
Boost Clock has increased by 93% (2460MHz vs 1275MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (128.0GB/s vs 64.00GB/s)