NVIDIA GeForce GT 420M 's Advantages
Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)
Lower TDP (23W vs 50W)
AMD Radeon 530 Mobile 's Advantages
Released 6 years and 7 months late
Boost Clock1024MHz
More VRAM (2GB vs 512GB)
288 additional rendering cores