NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Larger VRAM bandwidth (192.3GB/s vs 68.26GB/s)
768 additional rendering cores
Intel Xe DG1 SDV 's Advantages
Boost Clock has increased by 42% (1500MHz vs 1058MHz)
More VRAM (8GB vs 2GB)
Lower TDP (75W vs 195W)