AMD Radeon R9 290X2 's Advantages
256 additional rendering cores
NVIDIA GeForce GTX 1080 11Gbps 's Advantages
Released 2 years and 10 months late
Boost Clock1733MHz
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (352.3GB/s vs 345.6GB/s)
Lower TDP (180W vs 580W)