AMD Radeon HD 7870 XT 's Advantages
Released 3 years and 10 months late
Boost Clock975MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (192.0GB/s vs 25.60GB/s)
1504 additional rendering cores
NVIDIA GeForce GT 120 Mac Edition 's Advantages
Lower TDP (50W vs 185W)