NVIDIA GeForce GTX 780 6 GB 's Advantages
More VRAM (6GB vs 4GB)
Larger VRAM bandwidth (288.4GB/s vs 224.0GB/s)
512 additional rendering cores
AMD Radeon RX 560 XT 's Advantages
Released 5 years and 6 months late
Boost Clock has increased by 36% (1226MHz vs 902MHz)
Lower TDP (150W vs 250W)