NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Boost Clock1058MHz
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (192.3GB/s vs 10.67GB/s)
1376 additional rendering cores
AMD Radeon R5 230 OEM 's Advantages
Released 8 months late
Lower TDP (19W vs 195W)