AMD Radeon R9 M290X Mac Edition 's Advantages
Lower TDP (80W vs 150W)
NVIDIA GeForce RTX 2080 SUPER Mobile 's Advantages
Released 5 years and 5 months late
Boost Clock has increased by 60% (1560MHz vs 975MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (448.0GB/s vs 174.7GB/s)
2048 additional rendering cores