NVIDIA GeForce GTX TITAN BLACK 's Advantages
Boost Clock980MHz
More VRAM (6GB vs 2GB)
Larger VRAM bandwidth (336.0GB/s vs 104.0GB/s)
2112 additional rendering cores
AMD Radeon RX 455 OEM 's Advantages
Released 2 years and 4 months late
Lower TDP (100W vs 250W)