AMD Radeon HD 7950 Mac Edition 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (240.0GB/s vs 96.00GB/s)
1152 additional rendering cores
AMD Radeon RX 550X 640SP 's Advantages
Released 5 years and 1 months late
Boost Clock1071MHz
Lower TDP (60W vs 200W)