AMD Radeon HD 6870M 's Advantages
Lower TDP (50W vs 122W)
NVIDIA GeForce GTX 880M 's Advantages
Released 3 years and 2 months late
Boost Clock993MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)
736 additional rendering cores