NVIDIA GeForce GTX 980 's Advantages
Lower TDP (165W vs 250W)
NVIDIA CMP 50HX 's Advantages
Released 6 years and 9 months late
Boost Clock has increased by 27% (1545MHz vs 1216MHz)
More VRAM (10GB vs 4GB)
Larger VRAM bandwidth (560.0GB/s vs 224.4GB/s)
1536 additional rendering cores