In this unsponsored comparison, we put the DJI Osmo Action 4 up against the GoPro Hero 11 Black after using both for the last six weeks. We shot them side-by-side in the same real-world scenarios (wide, 4K 25) and even did quick audio tests with wind reduction on and off, because that’s the stuff you actually feel when you’re vlogging in a city like Paris. We break down design, waterproofing (18m on Action 4 vs 10m on GoPro without a case), screens, weight, and the sensor specs—while also being super clear that you shouldn’t buy an action cam purely because the sensor is bigger on paper. Stabilization is a dead heat for us: HyperSmooth 5.0 and RockSteady are both top-tier and neither needs a gimbal. Where GoPro clearly wins is options—5.3K, more aspect ratios (including 8:7), and more frame-rate flexibility—while DJI wins on simplicity in the menu system and, in our experience, battery performance. Color science is the big surprise: GoPro has been our favorite for a long time, but Action 4 is now absolutely in the mix for our cinematic travel productions. Bottom line: both cameras can make awesome cinematic travel films—your “best” choice comes down to your use case and which features you’ll actually use.