AMD Radeon E9390 PCIe 's Advantages
Released 7 years and 2 months late
Boost Clock1089MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (160.0GB/s vs 28.80GB/s)
1696 additional rendering cores
NVIDIA GeForce GT 620M 's Advantages
Lower TDP (15W vs 75W)