AMD Radeon R9 M290X Mac Edition 's Advantages
Released 7 years and 6 months late
Boost Clock975MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (174.7GB/s vs 12.80GB/s)
1008 additional rendering cores
NVIDIA GeForce 8600M GS 's Advantages
Lower TDP (20W vs 80W)