FEBRUARY 2021 PCWorld 79The Reflex Latency Analyzer found in 360Hz G-Sync Esports displays lets you measure all this.
The RLA overlay displays not one, not two,
but ten different metrics. It’s topped by FPS
and render latency stats, but we’re most
interested in the items further down: Mouse
Latency, PC + Display Latency, and System
Latency. Mouse Latency speaks for itself and is
tied to your Reflex mouse’s
left click. PC + Display
Latency is “Measured from
the moment the mouse
click is received by the OS
to the end of display
latency,” per Nvidia. This
measurement also
displayed by your monitor’s
on-screen display. System
Latency combines the other
two metrics to measure full
end-to-end responsiveness.
In all three items, the “Average” measurement
displays the average of the last 20 clicks and is
more useful for analysis than the pure frame-
to-frame numbers.
Reflex Latency Analyzer is kicking off with
four Reflex-compatible mice: The Asus ROGNvidia’s Reflex Latency Analyzer overlay in the upper-right corner of
Counter-Strike: Global Offensive.