AMD Radeon RX 7900M 's Advantages
Released 8 years and 5 months late
Boost Clock2090MHz
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (576.0GB/s vs 174.7GB/s)
3584 additional rendering cores
AMD Radeon R9 M390 Mac Edition 's Advantages
Lower TDP (80W vs 180W)