AMD Radeon RX 580X Mobile 's Advantages
Released 1 years and 10 months late
Larger VRAM bandwidth (256.0GB/s vs 192.0GB/s)
640 additional rendering cores
Lower TDP (100W vs 148W)
NVIDIA GeForce GTX 980MX 's Advantages
Boost Clock has increased by 9% (1178MHz vs 1077MHz)