AMD Radeon R9 M290X Mac Edition 's Advantages
Released 6 years and 5 months late
Boost Clock975MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (174.7GB/s vs 11.20GB/s)
1016 additional rendering cores
NVIDIA GeForce 9300M GS 's Advantages
Lower TDP (13W vs 80W)