NVIDIA GeForce GT 755M Mac Edition 's Advantages
Released 1 years and 7 months late
Larger VRAM bandwidth (80.00GB/s vs 28.80GB/s)
AMD Radeon HD 7730M 's Advantages
Boost Clock675MHz
More VRAM (2GB vs 1024GB)
128 additional rendering cores
Lower TDP (25W vs 50W)