NVIDIA GeForce GTX 780 Ti 6 GB 's Advantages
Larger VRAM bandwidth (336.6GB/s vs 256.0GB/s)
576 additional rendering cores
AMD Radeon RX 590 's Advantages
Boost Clock has increased by 66% (1545MHz vs 928MHz)
More VRAM (8GB vs 6GB)
Lower TDP (175W vs 250W)