NVIDIA GeForce GTX 580 Rev. 2 's Advantages
More VRAM (1536GB vs 1024GB)
Larger VRAM bandwidth (192.4GB/s vs 25.60GB/s)
32 additional rendering cores
AMD Radeon HD 8570 OEM Rebrand 's Advantages
Released 2 years and 1 months late
Lower TDP (60W vs 244W)