NVIDIA GeForce GT 1030 DDR4 's Advantages
Released 7 years and 6 months late
Boost Clock1379MHz
More VRAM (2GB vs 1GB)
336 additional rendering cores
Lower TDP (20W vs 50W)
NVIDIA GeForce GT 420 OEM 's Advantages
Larger VRAM bandwidth (28.80GB/s vs 16.80GB/s)