AMD Radeon R9 M295X Mac Edition 's Advantages
Released 4 years and 10 months late
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (174.3GB/s vs 12.80GB/s)
1968 additional rendering cores
ATI Mobility Radeon HD 5450 's Advantages
Lower TDP (11W vs 250W)