AMD Radeon R9 370 's Advantages
Lower TDP (110W vs 185W)
AMD Radeon RX 580 's Advantages
Released 1 years and 11 months late
Boost Clock has increased by 37% (1340MHz vs 975MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 179.2GB/s)
1024 additional rendering cores