Galaxy Book 4 Ultra has quieter and more efficient cooling, wider vapor chamber

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Samsung unveiled its latest Galaxy Book lineup yesterday, and a new Ultra model with NVIDIA RTX graphics is once again the top of the line. On the surface, the Galaxy Book 4 Ultra looks virtually identical to the Galaxy Book 3 Ultra, but several key things have changed on the inside.

The Galaxy Book 4 Ultra even has a touchscreen now and may provide better outdoor visibility thanks to Vision Booster technology. In addition, the laptop ships with a 140W charger that matches the 16-inch MacBook Pro's speed.

Customers have a choice between a 14th-generation Intel Core Ultra 9 or Intel Core Ultra 7 CPU and an NVIDIA GeForce RTX 4050 or 4070 graphics chip. All that power demands a great deal of cooling. And indeed, cooling is another critical area in which the Galaxy Book 4 Ultra has improved.

Galaxy Book 4 Ultra features a new cooling system

Samsung confirmed yesterday that the Galaxy Book 4 Ultra lowers heat and fan noise thanks to a “new optimal cooling system.”

The latest Ultra laptop has refreshed the vapor chamber design, and this cooling element is now 11% wider compared to the Galaxy Book 3 Ultra's vapor chamber. In addition, Samsung says the vapor chamber is assisted by a dual fan with uneven blade spacing.

This new system should provide better cooling for the Galaxy Book 4 Ultra's internals, all the while generating less fan noise and allowing the laptop to “operate at its maximum potential.”

Samsung says the Galaxy Book 4 Ultra will go on sale in Korea on January 2, with more select markets gradually joining the release. Until then, the Galaxy Book 3 Ultra remains on sale.

Buy Galaxy Book 3 Ultra Now

Mihai Matei - Senior Editor

[email protected]

First Samsung device: SGH-A800

Mihai is a blogger and column writer at SamMobile. His first Samsung phone was an A800 which took a lot of beating, and a part of him still misses the novelty of the clamshell design. In his free time, he enjoys watching shows, documentaries, and stand-up comedy; listening to music, taking walks, and occasionally playing old(er) video games.

Laptop Galaxy Book 4 Ultra

Galaxy Book 4 Ultra has quieter and more efficient cooling, wider vapor chamber

Galaxy Book 4 Ultra features a new cooling system

Mihai Matei - Senior Editor

[email protected]

First Samsung device: SGH-A800

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