ATI Radeon HD 4890 's Advantages
Larger VRAM bandwidth (124.8GB/s vs 112.0GB/s)
AMD Radeon RX 560 896SP 's Advantages
Released 8 years and 3 months late
Boost Clock1175MHz
More VRAM (4GB vs 1024GB)
96 additional rendering cores
Lower TDP (45W vs 190W)