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Xiaomi 15 Ultra vs Galaxy S25 Ultra

RANKED BY MANUFACTURER-STATED PEAK DISPLAY BRIGHTNESS (NITS) #6 VS #10 CHECKED 06 SEPT 2026

Side by side

Verdict

Xiaomi 15 Ultra ranks #6 of 10 on Manufacturer-stated peak display brightness (nits) (3,200 nits); Galaxy S25 Ultra ranks #10 (2,600 nits).

Rank 06 of 10 · leads

Xiaomi 15 Ultra

Manufacturer-stated peak display brightness (nits)

3,200 nits

MakerXiaomi

Date2025

Verified04 Sept 2026

Evidence

Xiaomi 15 Ultra official specs: "Brightness: 3200 nits multi-scenario peak brightness" on the 6.73-inch WQHD+ AMOLED. Product page: "3200nits Display Brightness".

Rank 10 of 10

Galaxy S25 Ultra

Manufacturer-stated peak display brightness (nits)

2,600 nits

MakerSamsung

Date2025

Verified04 Sept 2026

Evidence

Samsung Galaxy S25 Ultra page FAQ: "a peak brightness of 2600 nits, and an adaptive refresh rate of 1-120Hz". US compare page FAQ repeats "Galaxy S25 Series integrates a display with 2600 nits". Tied with S26 Ultra on this published metric.

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More Xiaomi 15 Ultra matchups

Source Manufacturer spec pages (OnePlus 13, OPPO Find X8, vivo X300 Ultra / X200, Google Store Pixel 10 / 10 Pro, Xiaomi 15 Ultra, Apple iPhone… Last checked 06 Sept 2026

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