AMD Radeon R9 M290X Mac Edition 's Advantages
Released 5 years and 4 months late
Boost Clock975MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (174.7GB/s vs 11.20GB/s)
1008 additional rendering cores
NVIDIA GeForce G105M 's Advantages
Lower TDP (14W vs 80W)