NVIDIA GeForce GTX TITAN 's Advantages
More VRAM (6GB vs 2GB)
Larger VRAM bandwidth (288.4GB/s vs 192.3GB/s)
1728 additional rendering cores
NVIDIA GeForce GTX 750 Ti OEM 's Advantages
Boost Clock has increased by 25% (1098MHz vs 876MHz)
Lower TDP (150W vs 250W)