The Logitech MX Master 3S excels for desk work with its MagSpeed wheel and 3-device switching while the Razer DeathAdder V3 Hyperspeed dominates gaming with 63 g weight and 8000 Hz polling. Neither replaces the other due to divergent button layouts and sensor tuning. CNET and RTINGS reviews confirm the MX Master 3S averages 65+ days real-world battery while the DeathAdder V3 Pro hits 90 hours a...