AMD Radeon R9 M290X 's Advantages
Lower TDP (100W vs 148W)
NVIDIA GeForce GTX 980MX 's Advantages
Released 2 years and 5 months late
Boost Clock has increased by 31% (1178MHz vs 900MHz)
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (192.0GB/s vs 153.6GB/s)
384 additional rendering cores