ATI Radeon HD 5870 Eyefinity 6 's Advantages
Larger VRAM bandwidth (153.6GB/s vs 128.0GB/s)
832 additional rendering cores
AMD Radeon RX 6400 's Advantages
Released 11 years and 10 months late
Boost Clock2321MHz
More VRAM (4GB vs 2GB)
Lower TDP (53W vs 228W)