NVIDIA GeForce GTX 870M 's Advantages
Released 2 years and 11 months late
Boost Clock967MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (120.0GB/s vs 25.60GB/s)
864 additional rendering cores
AMD Radeon HD 6570M 's Advantages
Lower TDP (30W vs 100W)