AMD Radeon R9 M290X Mac Edition 's Advantages
Larger VRAM bandwidth (174.7GB/s vs 128.0GB/s)
AMD Radeon RX 6550S 's Advantages
Released 8 years and 2 months late
Boost Clock has increased by 146% (2400MHz vs 975MHz)
More VRAM (4GB vs 2GB)
Lower TDP (50W vs 80W)