AMD FirePro S9300 X2 's Advantages
Released 3 years and 4 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 192.0GB/s)
2560 additional rendering cores
AMD Radeon HD 7870 XT 's Advantages
Boost Clock975MHz
Lower TDP (185W vs 300W)