NVIDIA GeForce GTX 880M 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (160.0GB/s vs 72.00GB/s)
896 additional rendering cores
AMD Radeon R9 M375X 's Advantages
Released 1 years and 2 months late
Boost Clock has increased by 2% (1015MHz vs 993MHz)