AMD FirePro S7150 x2 's Advantages
Released 2 years and 10 months late
More VRAM (8GB vs 3GB)
Lower TDP (265W vs 375W)
AMD Radeon HD 8990 OEM 's Advantages
Boost Clock1000MHz
Larger VRAM bandwidth (288.0GB/s vs 160.0GB/s)
256 additional rendering cores