NVIDIA YouTube Channel – 4.29.22
NVIDIA Reflex reduces system latency in Fortnite by up to 49% allowing you to acquire targets faster and react quicker. NVIDIA Reflex reduces system latency by combining both GPU and game optimizations. This revolutionary suite of GPU, G-SYNC display, and software technologies measure and reduce system latency in competitive games (a.k.a. click-to-display latency). NVIDIA Reflex Low Latency Mode is available now in Fortnite in GeForce 900 Series GPUs and newer.
Source: Fortnite: Zero Build 4K Gameplay – The Lowest System Latency with NVIDIA Reflex