The R9 Nano averaged 44fps at 1600p and just 25fps at 4K when testing with Crysis 3, just 2fps slower than the Fury and 3fps slower than the Fury X at 4K. It was also 3fps or 14% faster than the GTX 980 but 3fps slower than the GTX 980 Ti or a -11% deficit.
The R9 Nano averaged 84fps at 1600p and 50fps at 4K when testing with BioShock Infinite, just 4% slower than the Fury at 4K and 32% faster than the R9 390X. It was also 25% faster than the GTX 980 but 2% slower than the GTX 980 Ti.