NVIDIA GeForce GTX 680 's Advantages
Larger VRAM bandwidth (192.3GB/s vs 86.40GB/s)
896 additional rendering cores
NVIDIA GeForce GTX 750 Ti 's Advantages
Released 1 years and 11 months late
Boost Clock has increased by 3% (1085MHz vs 1058MHz)
Lower TDP (60W vs 195W)