It was the first console designed to tackle gaming for ultra HD displays, and the first mid-generation ‘refresh’ offering a substantial boost to performance over launch hardware. Since its 2016 debut, PlayStation 4 Pro has delivered some exceptional results for 4K living displays – results that seem almost miraculous for a 4.2 teraflop GPU – but in the years since, the Pro has evolved in new, unexpected directions.
source: gamezpot.com