NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Larger VRAM bandwidth (192.3GB/s vs 160.0GB/s)
640 additional rendering cores
NVIDIA T1000 's Advantages
Released 8 years and 1 months late
Boost Clock has increased by 32% (1395MHz vs 1058MHz)
More VRAM (4GB vs 2GB)
Lower TDP (50W vs 195W)