NVIDIA GeForce GTX 580 's Advantages
Larger VRAM bandwidth (192.4GB/s vs 28.80GB/s)
128 additional rendering cores
AMD Radeon HD 8570 OEM 's Advantages
Released 2 years and 2 months late
Boost Clock780MHz
More VRAM (2GB vs 1GB)
Lower TDP (50W vs 244W)