AMD Radeon E9550 MXM 's Advantages
Released 1 years and 10 months late
Boost Clock1266MHz
More VRAM (8GB vs 4GB)
256 additional rendering cores
Lower TDP (95W vs 250W)
AMD Radeon R9 M295X Mac Edition 's Advantages
Larger VRAM bandwidth (174.3GB/s vs 160.0GB/s)