Xiaomi 15T review: specs, battery & used prices

Summary

The Xiaomi 15T is the value tier of the 15 family: a 6.83-inch 120 Hz OLED at 1,100 nits, a 50 MP stabilized main camera, and a big 5,500 mAh battery for $650 new in the 12/256 configuration. The MediaTek Dimensity 8400 keeps everyday performance strong — 91/100 — while gaming lands at a modest 47/100. With five years of OS updates and IP68 sealing, it undercuts most mid-premium rivals on terms rather than on spec sheets.

Display and design

The 6.83-inch panel is the largest conventional screen in this tier: 120 Hz, 1,100 nits peak, and a screen score of 65/100. At 194 g with IP68 sealing and slim bezels it presents as a flagship, though the 15T makes do with an in-display fingerprint reader and Gorilla Glass typical of the class rather than anything exotic.

Performance

The Dimensity 8400 is a capable upper-midrange platform: an everyday score of 91/100 means interface navigation, messaging, and media never stutter. Gaming at 47/100 runs demanding titles at reduced settings — fine for casual play, not the choice for frame-rate purists. Five years of OS support is generous for this price and stretches the effective ownership horizon.

Camera

A 50 MP main sensor with OIS anchors a triple stack joined by a 50 MP ultrawide and a 12 MP telephoto, recording 4K60 video. The 47/100 camera score is fair: daylight output from the main camera is genuinely good, while the telephoto is a convenience zoom rather than a serious tool, and low light separates it from pricier siblings.

Battery and charging

The 5,500 mAh cell scores 50/100 on endurance — a full day of mixed use with room to spare — and 67 W charging (48/100) takes it from empty to mostly full in well under an hour. For a phone used heavily for media on that big screen, this combination is a quiet strength.

Verdict

The 15T is the rational buy of the 15 family: near-flagship screen, battery, and build at a midrange price, with update support that outlasts most rivals in the segment. It gives up gaming headroom and camera reach — buyers wanting the latter should stretch to the 15 Ultra; buyers wanting neither will find little reason to spend more than this.