NVIDIA GeForce GTX 560 Ti X2 's Advantages
More VRAM (1024GB vs 128GB)
Larger VRAM bandwidth (128.3GB/s vs 9.600GB/s)
368 additional rendering cores
NVIDIA GeForce 9400 GT Rev. 3 's Advantages
Released 1 years and 5 months late
Lower TDP (50W vs 170W)