M1 GPU
https://i.gzn.jp/img/2020/11/11/apple-one-more-thing-event/snap12582.jpg

FP32 (float) performance :2.6Tflops

Pixel Rate:41.00 GPixel/s

Texture Rate:82.0 GTexel/s


AMD Radeon Pro 5300M
https://www.techpowerup.com/gpu-specs/radeon-pro-5300m.c3464

FP32 (float) performance :3.2Tflops

Pixel Rate:40.00 GPixel/s

Texture Rate:100 GTexel/s

GPUの性能は5300Mを少し下回る程度か
これだとiMacとMacBook Pro 16には力不足だね