AMD Radeon HD 6490 's Advantages
Lower TDP (39W vs 180W)
NVIDIA GeForce GTX 1080 11Gbps 's Advantages
Released 5 years and 9 months late
Boost Clock1733MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (352.3GB/s vs 16.00GB/s)
2240 additional rendering cores