AMD Radeon HD 6390 's Advantages
Lower TDP (39W vs 250W)
NVIDIA GeForce GTX 780 6 GB 's Advantages
Released 2 years and 2 months late
Boost Clock902MHz
More VRAM (6GB vs 1024GB)
Larger VRAM bandwidth (288.4GB/s vs 16.00GB/s)
1984 additional rendering cores