AMD Radeon Pro 580X 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (218.9GB/s vs 80.00GB/s)
1408 additional rendering cores
NVIDIA GeForce MX450 30.5W 10Gbps 's Advantages
Released 1 years and 5 months late
Boost Clock has increased by 31% (1575MHz vs 1200MHz)
Lower TDP (31W vs 185W)