AMD Radeon R9 370 's Advantages
Lower TDP (110W vs 150W)
AMD Radeon RX 580 2048SP 's Advantages
Released 3 years and 5 months late
Boost Clock has increased by 32% (1284MHz vs 975MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 179.2GB/s)
768 additional rendering cores