> "Moving on, the Dell XPS 14 (2026) endured for around 20 hours and 21 minutes when playing a 4K YouTube video. The MacBook Air 15 M5 lasted for 14 hours."

> "Finally, the Apple M5 showed its efficiency advantage under maximum load. The MacBook Air 15 M5 kept going for 4 hours and 10 minutes while gaming. The Dell XPS 14 could only hold out for 2.5 hours."

That about fits my personal experience. The dozens-of-hours-long battery life claims for laptops are based on streaming videos, but real-life battery life is always far shorter for me, as I usually use my laptop for more intensive tasks.