AMD Radeon R9 M290X Mac Edition 's Advantages
Released 4 years and 9 months late
Boost Clock975MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (174.7GB/s vs 64.00GB/s)
896 additional rendering cores
NVIDIA GeForce GTX 285M 's Advantages
Lower TDP (75W vs 80W)