AMD Radeon Pro 580X 's Advantages
Released 5 years and 4 months late
Boost Clock1200MHz
More VRAM (8GB vs 1GB)
Larger VRAM bandwidth (218.9GB/s vs 80.00GB/s)
1920 additional rendering cores
NVIDIA GeForce GT 755M Mac Edition 's Advantages
Lower TDP (50W vs 185W)