Fewer background tasks mean less CPU usage. Laptops running in S mode routinely achieve 10–15+ hours of battery life on a single charge—ideal for students on campus or business travelers.
S mode is often found on entry-level laptops (like Surface Go or affordable HP/Lenovo models) because it runs efficiently on lighter hardware. The Big Question: Can You Leave S Mode? what is windows s
The concept remains the same across both versions: Fewer background tasks mean less CPU usage