AMD Radeon R9 280 's Advantages
Released 5 years and 2 months late
Boost Clock933MHz
More VRAM (3GB vs 512GB)
Larger VRAM bandwidth (240.0GB/s vs 25.60GB/s)
1760 additional rendering cores
NVIDIA GeForce GT 120 Mac Edition 's Advantages
Lower TDP (50W vs 200W)