NVIDIA GeForce GTX 980 's Advantages
Released 3 years and 11 months late
Boost Clock1216MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (224.4GB/s vs 128.0GB/s)
1088 additional rendering cores
AMD Radeon HD 6850 's Advantages
Lower TDP (127W vs 165W)