AMD Radeon R9 M295X Mac Edition 's Advantages
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (174.3GB/s vs 16.02GB/s)
1664 additional rendering cores
NVIDIA GeForce 945M 's Advantages
Released 1 years and 5 months late
Boost Clock1189MHz
Lower TDP (23W vs 250W)