The best gaming mouse on the market right now is the Razer Viper V4 Pro. It’s the best because it’s light, very well-built, performant, and has great battery life. This last quality—its battery life—is largely thanks to Razer’s new FrameSync tech, which is kind of like G-Sync but for a mouse sensor rather than a monitor’s refresh rate. And now we have independent testing confirming that the new and innovative tech works as Razer describes it.
We had indirect confirmation of it before just from the fact that the Viper V4 Pro’s battery life is so good (180 hours at 1 kHz polling), but it’s reassuring and, frankly, just cool to see it confirmed regardless.
With any gaming mouse, there are two main things going on: optical scanning and polling. In the first case, the sensor scans for movement across your mouse pad in many snapshots per second. In the latter, the PC polls for (requests) that movement data from the mouse.
Well, actually, there are three things going on, because in between those two lies the microcontroller unit (MCU), which prepares the sensor data to hand off to the PC when it polls. Razer’s innovation with FrameSync is to get all three of these aligned by making the sensor only scan at the same time it’s polled for, meaning it can keep things responsive but also keep the sensor scan-outs low and save power.