AMD Radeon R9 M290X Mac Edition 's Advantages
Lower TDP (80W vs 120W)
AMD Radeon RX 6650M 's Advantages
Released 7 years and 2 months late
Boost Clock has increased by 148% (2416MHz vs 975MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 174.7GB/s)
768 additional rendering cores