AMD Radeon HD 6850 X2 's Advantages
Larger VRAM bandwidth (134.4GB/s vs 112.0GB/s)
64 additional rendering cores
AMD Radeon RX 560 896SP 's Advantages
Released 5 years and 10 months late
Boost Clock1175MHz
More VRAM (4GB vs 2GB)
Lower TDP (45W vs 254W)