NVIDIA GeForce GTX 555 OEM 's Advantages
Lower TDP (150W vs 180W)
AMD Radeon R9 270X 's Advantages
Released 2 years and 5 months late
Boost Clock1050MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (179.2GB/s vs 91.87GB/s)
992 additional rendering cores