How did Samsung manage to design a smartphone as thin as the Galaxy S25 Edge? The manufacturer shares some answers.
Ultra-thin and very light, the Galaxy S25 Edge is a marvel of engineering. Samsung looks back at the design of this smartphone, which is still unique on the market, while we wait for the iPhone 17 Air. “Finding the perfect balance between structure and components required countless tests and prototypes, challenging firmly established design standards,” the manufacturer explains in a press release.
The manufacturer describes this as a “feat of force made possible by a new internal structure, which includes a unique mounting system, allowing components to be arranged with an accuracy of 0.1 millimeters.” Thanks to this new process, Samsung was able to maximize space to fit all the components, including the battery (which remains a bit weak), into a device that is only 5.8 mm thick.
The Galaxy S25 Edge was a design challenge for Samsung
Another technical feat, the vapor chamber of the Galaxy S25 Edge is 10% larger than that of the Galaxy S25+. “Its structure, unprecedented in the Galaxy range, preserves the smartphone's slimness while efficiently managing heat. To achieve this, a fraction of the metal frame has been removed for more direct heat transfer from the processor to the vapor chamber. In addition, a thermal interface material disperses heat from adjacent components,” Samsung specifies. The phone therefore makes no compromises on cooling to maintain the full performance potential of the Snapdragon 8 Edge… in theory. Because during our test of the Galaxy S25 Edge, we were not convinced by the device's heat dissipation.
The brand does not forget to highlight the titanium design of the frame, previously reserved for Ultra models, for increased resistance. The S25 Edge also benefits from Corning Gorilla Glass Ceramic 2 to effectively protect the screen from bumps, drops, and scratches. The smartphone is also very comfortable to hold thanks to its impeccable design and lightness. But the extreme finesse can ultimately seem somewhat gimmicky.
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