AMD Radeon R9 260 OEM 's Advantages
Lower TDP (85W vs 185W)
AMD Radeon RX 580X 's Advantages
Released 4 years and 4 months late
Boost Clock1340MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (256.0GB/s vs 104.0GB/s)
1408 additional rendering cores