AMD Radeon R9 M290X Mac Edition 's Advantages
Released 7 years and 1 months late
Boost Clock975MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (174.7GB/s vs 20.32GB/s)
992 additional rendering cores
NVIDIA GeForce 8600M GT Mac Edition 's Advantages
Lower TDP (20W vs 80W)