NVIDIA GeForce GTX 680 's Advantages
256 additional rendering cores
Lower TDP (195W vs 250W)
NVIDIA A16 PCIe 's Advantages
Released 9 years and 1 months late
Boost Clock has increased by 60% (1695MHz vs 1058MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (231.9GB/s vs 192.3GB/s)