NVIDIA GeForce 8400 GS PCI Rev. 2 's Advantages
Lower TDP (40W vs 182W)
NVIDIA GeForce GTX 260 Rev. 2 's Advantages
Released 1 years and 3 months late
More VRAM (896GB vs 512GB)
Larger VRAM bandwidth (111.9GB/s vs 8.000GB/s)
176 additional rendering cores