AMD Radeon RX 580 Mobile 's Advantages
Released 5 years and 3 months late
Boost Clock1077MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (256.0GB/s vs 30.40GB/s)
2144 additional rendering cores
AMD Radeon HD 7490M 's Advantages
Lower TDP (9W vs 100W)