Galaxy S25 Edge and the Thin Phone Problem
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Promos
Stunningly thin phones and silicon carbon batteries can actually work, but... Affiliate Link: Samsung S25 Edge - geni.us MKBHD Merch: shop.mkbhd.com Playlist of MKBHD Intro music: goo.gl Phone provided by Samsung for review. ~ twitter.com @MKBHD @MKBHD
The video investigates the Galaxy S25 Edge, focusing on the core trade offs of ultra-thin smartphones: weight, thickness, battery life, and camera capabilities. Marques breaks down how Samsung managed to fit the same main camera system as the S25 Ultra into a significantly thinner chassis, resulting in a strong camera performance but a smaller battery capacity of 3,900 mAh. He discusses the absence of a telephoto lens on the Edge and pivots to the implications of silicon carbon battery tech, explaining that while it enables higher density and faster charging, the S25 Edge does not currently use this tech, which partly explains its shorter endurance. The reviewer then compares the Edge to prior Edge devices and to competitor conceptions of battery tech, weighing durability, material choices like Gorilla Glass Ceramic 2 and titanium, and the practical wearability of a truly thin phone with and without a case. He closes with reflections on future ultra-thin phones and the potential impact of silicon-carbon batteries on both form factors and user experience, suggesting a bifurcated product strategy that would keep ultra-thin devices while delivering longer endurance in regular-size models. Concluding, the video frames the Edge as a demonstration of what thinness can achieve and what it compromises, inviting viewers to consider their own priorities between battery longevity and the tactile novelty of an extremely slim device.
Topics · technology · smartphones · battery_technology · device_design · consumer_electronics
Questions answered
- Why does the Galaxy S25 Edge have a smaller battery than the S25 Plus, despite sharing the same display size?
- Because the edge form factor prioritizes minimal thickness and lightness, which constrains internal space for a large battery and leads to a smaller capacity of 3,900 mAh.
- What is silicon carbon battery tech and how could it affect future ultra-thin phones?
- Silicon carbon battery tech increases energy density and can enable faster charging, allowing either longer battery life in the same size or thinner devices with comparable endurance in the future.
- Why is there no telephoto camera on the S25 Edge, and is that a design flaw?
- The lack of a telephoto on the Edge is explained by space constraints inside the ultra-thin chassis; the reviewer notes that a 2x digital zoom from a good sensor can sometimes outperform a poor small-sensor optical zoom, but acknowledges the trade-off may be inconvenient in certain use cases.