AMD Radeon HD 8870M 's Advantages
Released 1 years and 1 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (72.00GB/s vs 64.00GB/s)
256 additional rendering cores
NVIDIA GeForce GTX 660M 's Advantages
Boost Clock has increased by 23% (950MHz vs 775MHz)