NVIDIA CMP 170HX 's Advantages
More VRAM (16GB vs 12GB)
Larger VRAM bandwidth (1493GB/s vs 456.0GB/s)
1920 additional rendering cores
Intel Arc B580 's Advantages
Released 3 years and 3 months late
Boost Clock has increased by 89% (2670MHz vs 1410MHz)
Lower TDP (190W vs 250W)