AMD Radeon HD 8970M 's Advantages
Released 3 years and 4 months late
Boost Clock900MHz
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (153.6GB/s vs 51.20GB/s)
880 additional rendering cores
ATI Mobility Radeon HD 5770 's Advantages
Lower TDP (30W vs 100W)