AMD Radeon R9 390 's Advantages
Lower TDP (275W vs 450W)
NVIDIA GeForce RTX 3090 Ti 's Advantages
Released 6 years and 7 months late
Boost Clock1860MHz
More VRAM (24GB vs 8GB)
Larger VRAM bandwidth (1008GB/s vs 384.0GB/s)
8192 additional rendering cores