ATI Radeon E4690 MXM 's Advantages
Larger VRAM bandwidth (22.40GB/s vs 14.40GB/s)
Lower TDP (30W vs 50W)
AMD Radeon 620 Mobile 's Advantages
Released 9 years and 11 months late
Boost Clock1024MHz
More VRAM (2GB vs 512GB)
64 additional rendering cores