NVIDIA GeForce GTX 775M Mac Edition 's Advantages
Released 2 years and 10 months late
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)
544 additional rendering cores
AMD Radeon HD 6970M Rebrand 's Advantages
Lower TDP (75W vs 100W)