ATI Radeon HD 4870 X2 's Advantages
Lower TDP (286W vs 375W)
AMD FirePro S10000 Passive 's Advantages
Released 4 years and 3 months late
Boost Clock950MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (240.0GB/s vs 115.2GB/s)
992 additional rendering cores