NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Lower TDP (195W vs 295W)
AMD Radeon RX Vega 64 's Advantages
Released 4 years and 4 months late
Boost Clock has increased by 46% (1546MHz vs 1058MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (483.8GB/s vs 192.3GB/s)
2560 additional rendering cores