NVIDIA GeForce GTX 555 OEM 's Advantages
Released 2 years and 8 months late
More VRAM (1024GB vs 896GB)
72 additional rendering cores
Lower TDP (150W vs 182W)
NVIDIA GeForce GTX 260 Core 216 's Advantages
Larger VRAM bandwidth (111.9GB/s vs 91.87GB/s)