NVIDIA GeForce GTX 880M 's Advantages
Boost Clock has increased by 9% (993MHz vs 907MHz)
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (160.0GB/s vs 81.28GB/s)
512 additional rendering cores
AMD Radeon Pro 460 's Advantages
Released 2 years and 7 months late
Lower TDP (35W vs 122W)