AMD Radeon HD 6390 's Advantages
Lower TDP (39W vs 180W)
NVIDIA GeForce GTX 1080 's Advantages
Released 4 years and 10 months late
Boost Clock1733MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (320.3GB/s vs 16.00GB/s)
2240 additional rendering cores