AMD Radeon RX Vega 56 Mobile 's Advantages
Released 7 years and 5 months late
Boost Clock1301MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (409.6GB/s vs 64.00GB/s)
2784 additional rendering cores
AMD Radeon HD 6870M 's Advantages
Lower TDP (50W vs 120W)