NVIDIA GeForce GTX 880M 's Advantages
More VRAM (8GB vs 4GB)
256 additional rendering cores
AMD Radeon Pro W5300M 's Advantages
Released 5 years and 8 months late
Boost Clock has increased by 26% (1250MHz vs 993MHz)
Larger VRAM bandwidth (192.0GB/s vs 160.0GB/s)
Lower TDP (85W vs 122W)