AMD Radeon HD 8990 OEM 's Advantages
Larger VRAM bandwidth (288.0GB/s vs 112.0GB/s)
1152 additional rendering cores
AMD Radeon RX 560 896SP 's Advantages
Released 4 years and 3 months late
Boost Clock has increased by 18% (1175MHz vs 1000MHz)
More VRAM (4GB vs 3GB)
Lower TDP (45W vs 375W)