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Samsung Galaxy S25 Ultra: The Android King Returns

An in-depth look at Samsung's new flagship: design, camera, performance, and whether it's worth upgrading from the S24 Ultra.

Alexey Gold··3 min read
Samsung Galaxy S25 Ultra: The Android King Returns

Samsung Galaxy S25 Ultra, this isn’t just a smartphone, it’s a statement. Following last year’s S24 Ultra, which many considered the “perfect Android,” the Korean company decided to push forward. And, it’s fair to say, they succeeded.

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Is the Galaxy S25 Ultra design an improvement?

Samsung continued using titanium for the body but reworked the form, the edges are slightly more rounded, making the phone more comfortable to hold. The 6.9-inch Dynamic AMOLED 2X display with a 120 Hz refresh rate and a peak brightness of 3000 nits is one of the best screens on the market.

Samsung Galaxy S25 Ultra showing rounded titanium edges

The lighter weight (down 6g from the S24 Ultra) makes a difference in daily use. The S Pen slot remains, and the flat display is better for stylus work than curved screens.

How good is the Galaxy S25 Ultra camera?

The 200 MP main module remains, but Samsung put serious work into the processing algorithms. Night photography has improved noticeably, and the new telephoto lens with 10x optical zoom lets you capture detailed shots even from a great distance.

The 10x optical zoom is a genuine upgrade, previous models used digital crop beyond 3x. At 10x, details remain sharp enough for printing. For wildlife and sports photography, this is a game-changer.

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How fast is the Galaxy S25 Ultra?

Snapdragon 8 Gen 4 (or Exynos 2500 depending on the region) + 12 GB RAM = zero lag. Games fly, apps open instantly, and One UI 7 on Android 16 runs flawlessly.

The Snapdragon variant consistently outperforms the Exynos in GPU benchmarks. If you have a choice in your region, go Snapdragon. The 12 GB RAM handles multitasking without app reloads.

How long does the Galaxy S25 Ultra battery last?

A 5500 mAh battery with 65W charging support (finally!). Full charge in 45 minutes. Battery lasts about a day and a half with heavy use.

The 65W charging is a welcome improvement, Samsung was lagging behind Chinese competitors. In testing, 15 minutes of charging provided enough power for a full day of moderate use.

Samsung Galaxy S25 Ultra fast charging speed test results

Verdict

Pros:

  • Best display on the market
  • Excellent camera with powerful zoom
  • Titanium build, IP68, S Pen
  • Fast charging

Cons:

  • Pricey
  • A bit heavy (234 g)

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Written by
Alexey Gold

Testing tech for 8 years: smartphones, laptops, headphones, and gadgets.

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