NVIDIA GeForce GTX 750 Ti 's Advantages
Boost Clock has increased by 5% (1085MHz vs 1032MHz)
Lower TDP (60W vs 140W)
NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Released 7 months late
Larger VRAM bandwidth (144.2GB/s vs 86.40GB/s)
320 additional rendering cores