NVIDIA GeForce GTX TITAN BLACK 's Advantages
Released 2 years and 3 months late
Boost Clock980MHz
More VRAM (6GB vs 512GB)
Larger VRAM bandwidth (336.0GB/s vs 6.400GB/s)
2800 additional rendering cores
ATI Radeon HD 4450 's Advantages
Lower TDP (25W vs 250W)