AMD Radeon RX 590 's Advantages
Released 7 years and 9 months late
Boost Clock1545MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (256.0GB/s vs 21.34GB/s)
2208 additional rendering cores
NVIDIA GeForce GT 440 Mac Edition 's Advantages
Lower TDP (65W vs 175W)