AMD Radeon R9 390 X2 's Advantages
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (345.6GB/s vs 96.00GB/s)
2048 additional rendering cores
NVIDIA GeForce GTX 1630 's Advantages
Released 6 years and 9 months late
Boost Clock1785MHz
Lower TDP (75W vs 580W)