Radeon RX 590 's Advantages
Boost Clock has increased by 16% (1545MHz vs 1335MHz)
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (256.0GB/s vs 160.0GB/s)
1664 additional rendering cores
T600 's Advantages
Released 2 years and 5 months late
Lower TDP (40W vs 175W)