ATI Mobility Radeon HD 5770 's Advantages
Larger VRAM bandwidth (51.20GB/s vs 14.40GB/s)
144 additional rendering cores
Lower TDP (30W vs 33W)
NVIDIA GeForce 830A 's Advantages
Released 4 years and 6 months late
Boost Clock1150MHz
More VRAM (2GB vs 1024GB)