ATI FirePro 2450 Multi View PCIe x1 's Advantages
Lower TDP (32W vs 300W)
AMD Radeon HD 6870 X2 's Advantages
Released 2 years and 6 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (134.4GB/s vs 6.400GB/s)
1080 additional rendering cores