AMD Radeon HD 6850 1440SP Edition 's Advantages
Released 8 years and 4 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (128.0GB/s vs 32.00GB/s)
1440 additional rendering cores
NVIDIA Quadro FX 4000 SDI 's Advantages
Lower TDP (150W vs 151W)