AMD Radeon HD 6990M Rebrand 's Advantages
Lower TDP (100W vs 210W)
AMD Radeon Pro Vega 56 's Advantages
Released 6 years and 1 months late
Boost Clock1250MHz
More VRAM (8GB vs 1GB)
Larger VRAM bandwidth (402.4GB/s vs 70.40GB/s)
2784 additional rendering cores