NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Larger VRAM bandwidth (192.3GB/s vs 168.0GB/s)
128 additional rendering cores
AMD Radeon RX 5300 's Advantages
Released 7 years and 1 months late
Boost Clock has increased by 55% (1645MHz vs 1058MHz)
More VRAM (3GB vs 2GB)
Lower TDP (100W vs 195W)