AMD Radeon HD 6390 's Advantages
Released 2 years and 8 months late
More VRAM (1024GB vs 896GB)
104 additional rendering cores
Lower TDP (39W vs 171W)
NVIDIA GeForce GTX 260 Core 216 Rev. 2 's Advantages
Larger VRAM bandwidth (111.9GB/s vs 16.00GB/s)