AMD Radeon R9 280X 's Advantages
Released 6 years and 6 months late
Boost Clock1000MHz
More VRAM (3GB vs 128GB)
Larger VRAM bandwidth (288.0GB/s vs 24.00GB/s)
2016 additional rendering cores
NVIDIA GeForce 8600 GT Mac Edition 's Advantages
Lower TDP (47W vs 250W)