NVIDIA GeForce GTX 680 's Advantages
Boost Clock1058MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (192.3GB/s vs 72.00GB/s)
1152 additional rendering cores
AMD Radeon HD 7730 's Advantages
Released 1 years and 2 months late
Lower TDP (47W vs 195W)