NVIDIA GeForce 8600 GT 's Advantages
Lower TDP (47W vs 165W)
NVIDIA GeForce GTX 980 's Advantages
Released 7 years and 5 months late
Boost Clock1216MHz
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (224.4GB/s vs 22.40GB/s)
2016 additional rendering cores