AMD Radeon R9 280 's Advantages
Lower TDP (200W vs 250W)
NVIDIA GeForce GTX TITAN BLACK 's Advantages
Boost Clock has increased by 5% (980MHz vs 933MHz)
More VRAM (6GB vs 3GB)
Larger VRAM bandwidth (336.0GB/s vs 240.0GB/s)
1088 additional rendering cores