ATI Mobility Radeon HD 5770 's Advantages
Larger VRAM bandwidth (51.20GB/s vs 48.00GB/s)
Lower TDP (30W vs 50W)
AMD Radeon 540 Mobile 's Advantages
Released 9 years and 2 months late
Boost Clock1124MHz
More VRAM (2GB vs 1GB)
112 additional rendering cores