AMD Radeon R9 390 X2 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (345.6GB/s vs 48.06GB/s)
2176 additional rendering cores
NVIDIA GeForce GT 1030 's Advantages
Released 1 years and 8 months late
Boost Clock1468MHz
Lower TDP (30W vs 580W)