NVIDIA GeForce GTX 980 's Advantages
Boost Clock has increased by 18% (1216MHz vs 1033MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (224.4GB/s vs 14.40GB/s)
1536 additional rendering cores
NVIDIA NVS 810 's Advantages
Released 1 years and 2 months late
Lower TDP (68W vs 165W)