Xiaomi 15T Review

Released

2025, September 24

OS

Android 15
HyperOS 3

Chipset

Mediatek Dimensity
8400 Ultra

Camera

50MP Back
32MP front

Display

6.83 inches

Battery

5500mAh

Storage

256GB/512GB

RAM

12GB RAM

Pros & Cons

The Xiaomi 15T is a feature-packed smartphone offering a powerful 50MP main camera with Leica optics, a vibrant 120Hz AMOLED display, and a long-lasting 5,500 mAh battery with fast charging. Designed for performance and photography, it combines flagship-level specs with solid value, making it a compelling choice for users seeking a premium experience without the flagship price.

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Design & Build

The 15T features a premium build with a flat glass front protected by Gorilla Glass 7i and an aluminum alloy frame. Its IP68 rating ensures resistance to water and dust, giving the phone added durability for everyday use and unexpected weather conditions.

Despite its large 6.83-inch display and powerful internals, the 15T remains slim at just 7.5 mm thick and weighs around 194 grams. This slim profile, combined with smooth edges, provides a comfortable and secure grip even during extended one-handed use.

Xiaomi 15T design and build
Design by Hasnain Khan| Render © (Xiaomi 15T)

The display dominates the front with ultra-thin bezels and a centered punch-hole camera. It’s a flat AMOLED panel with a 120Hz refresh rate and 3200 nits peak brightness, delivering clear, fluid visuals for both indoor and outdoor viewing, whether you’re watching videos or scrolling through apps.

Xiaomi 15T design and build
Design by Hasnain Khan| Render © (Xiaomi 15T)

On the back, the Xiaomi 15T has a clean, minimalist look with a rectangular camera module. Some finishes use a matte texture that resists fingerprints and smudges. Subtle Leica branding near the camera highlights the imaging partnership without overpowering the phone’s elegant aesthetic.

Display

The 15T boasts a 6.83-inch AMOLED display with a resolution of 2772 × 1280 pixels, delivering a pixel density of 447 PPI. This ensures sharp and clear visuals for an immersive viewing experience.

With a 120Hz refresh rate and 480Hz touch sampling rate, the display offers smooth scrolling and responsive touch interactions. Game Turbo mode enhances this further with an instantaneous touch sampling rate of 2560Hz, ideal for gaming enthusiasts.

6.83 inches display of Xiaomi 15T
Design by Hasnain Khan| Render © (Xiaomi 15T)

The screen achieves a peak brightness of 3200 nits, ensuring excellent readability even under direct sunlight. This high brightness level enhances visibility and user experience in various lighting conditions.

Additionally, the display supports HDR10+ and Dolby Vision, providing vibrant colors and improved contrast for supported content. TÜV Rheinland certifications for Low Blue Light, Flicker Free, and Circadian Friendly further enhance eye comfort during prolonged use.

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Performance

The 15T is powered by the MediaTek Dimensity 8400 Ultra chipset, featuring an octa-core CPU with a prime core clocked at 3.25 GHz. This configuration ensures smooth multitasking and efficient performance across various applications.

Equipped with 12 GB of LPDDR5X RAM, the device handles demanding tasks and applications with ease. The high-speed memory contributes to enhanced responsiveness and overall system fluidity.

Design by Hasnain Khan| Render © (Xiaomi 15T)

In benchmark tests, the 15T achieved an average AnTuTu 10 score of 1,872,827 points. This reflects its strong performance in CPU, GPU, memory, and user experience categories, making it suitable for gaming and intensive tasks.

The device runs on Android 15, providing a modern and user-friendly interface. Coupled with the powerful hardware, it ensures a seamless and efficient user experience, supporting a wide range of applications and services.

Camera

The 15T features a Leica Summilux triple-camera setup, anchored by a 50MP main sensor with a large 1/1.55″ sensor size and f/1.7 aperture. This combination delivers sharp, bright, and detailed photos, performing well in both daylight and low-light conditions.

Design by Hasnain Khan| Render © (Xiaomi 15T)

Its versatile camera array includes a 50MP telephoto lens offering 2× optical zoom and a 12MP ultra-wide camera with a 120-degree field of view. This setup allows users to capture a wide range of scenes, from expansive landscapes to closer, detailed shots.

For video, the 15T supports 4K recording at 30fps and 60fps, with HDR10+ and 10-bit Log video formats. These features provide improved color depth, dynamic range, and professional-grade video quality, catering to users who want more from their smartphone videography.

Design by Hasnain Khan| Render © (Xiaomi 15T)

The front-facing 32MP camera captures detailed selfies and supports 4K video recording at 30fps. It includes advanced features like HDR, portrait mode, and voice-activated shutter, making it easier to take high-quality photos and videos with enhanced clarity and natural color.

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Battery & Charging

The 15T is equipped with a dual-cell lithium polymer battery, offering a typical capacity of 5500 mAh. This configuration ensures reliable power delivery for daily tasks and moderate usage, providing users with dependable battery life throughout the day.

Design by Hasnain Khan| Render © (Xiaomi 15T)

Supporting 67W wired charging, the Xiaomi 15T can fully charge from 0% to 100% in approximately 50 minutes, depending on environmental factors and usage conditions. This fast-charging capability minimizes downtime, allowing users to quickly recharge and continue their activities without prolonged interruptions.

The device utilizes USB Power Delivery 3.0 (PD3.0) and PPS (Programmable Power Supply) protocols for efficient charging. It’s recommended to use the included Xiaomi 67W power adapter or compatible third-party chargers to achieve optimal charging speeds and ensure safe power delivery to the device.

While the 15T offers impressive wired charging speeds, it does not support wireless charging or reverse wireless charging. Users seeking wireless charging capabilities may need to consider alternative models within the Xiaomi lineup that offer such features.

Audio

The 15T features dual stereo speakers, delivering immersive sound for media and gaming. These speakers are tuned with Dolby Atmos technology, enhancing depth and clarity for a more dynamic and engaging audio experience.

Supporting Hi-Res Audio and Hi-Res Wireless Audio certifications, the 15T ensures high-quality sound reproduction. It supports various audio formats, including MP3, FLAC, AAC, OGG, WAV, and AMR, catering to diverse music preferences.

Design by Hasnain Khan| Render © (Xiaomi 15T)

The device lacks a 3.5mm headphone jack, using a USB Type-C port for wired audio connections. For wireless audio, it offers Bluetooth 5.4 with support for aptX HD, aptX Adaptive, and LDAC codecs, ensuring high-quality wireless streaming.

Some users have reported occasional issues with Dolby Atmos, such as static noise at high volumes. Adjusting equalizer settings or toggling Dolby Atmos on and off may help reduce these minor audio glitches.

Software

The 15T runs on HyperOS 3, based on Android 15, delivering a smooth and modern user interface. This software includes features like AI-powered tools, real-time mirroring to Mac and iPad, and offline communication capabilities, enhancing connectivity and everyday usability.

HyperOS 3 is powered by AI models like Google’s Gemini 2.5 and OpenAI’s GPT-4o mini, improving smart assistant responsiveness and context awareness. Users also get a three-month free subscription to Gemini Pro, offering advanced AI features and cloud storage for an enhanced experience.

Design by Hasnain Khan| Render © (Xiaomi 15T)

The system includes AI-driven functionalities such as Veo 3 Fast for video generation and Nano Banana for better device performance. These tools help streamline tasks and optimize system efficiency, making the 15T well-suited for users seeking smart and responsive software.

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Connectivity

The 15T supports 5G connectivity with both SA and NSA modes, providing fast and reliable mobile data access. It is compatible with a wide range of 5G bands, making it suitable for use in various regions worldwide.

For wireless networking, the device offers Wi-Fi 6E, delivering faster speeds and better performance in congested areas. It also supports Bluetooth 6.0 for efficient pairing with devices and accessories, along with NFC for contactless payments and data exchange.

Design by Hasnain Khan| Render © (Xiaomi 15T)

The 15T includes a USB Type-C 3.2 port with OTG support, enabling high-speed data transfer and connection to external devices. It also supports audio output and charging, but lacks a 3.5mm headphone jack, relying on USB-C or wireless audio instead.

Equipped with a Super Antenna Array, the 15T optimizes signal reception across 16 different scenarios, ensuring stable connectivity during gaming, calls, and media use. This feature enhances overall user experience by maintaining reliable connections in various environments.

Everyday Life with the Xiaomi 15T

The 15T offers a smooth and responsive user experience, with 12GB of RAM (expandable to 18GB) ensuring seamless multitasking. App launches are swift, and even demanding tasks like gaming run smoothly. The device’s performance remains consistent throughout daily use, providing a reliable experience.

Equipped with a 5500mAh battery, the Xiaomi 15T delivers impressive battery life. Users can expect a full day’s usage with around 10% remaining, even with a large, bright display and powerful processor. Charging is efficient, with the 67W HyperCharge returning the device to 100% in under an hour.

Design by Hasnain Khan| Render © (Xiaomi 15T)

The device’s 6.83-inch AMOLED display offers vibrant colors and sharp details, enhancing media consumption. Whether watching videos or browsing, the screen provides an immersive experience. The high refresh rate ensures smooth interactions, making everyday tasks enjoyable.

Running on HyperOS 2.0, the Xiaomi 15T integrates AI functionalities that enhance daily tasks. Features like real-time mirroring to Mac/iPad and offline communication capabilities improve productivity and connectivity. The software provides a user-friendly interface, making the device intuitive to use.

Future-Proofing & Longevity

The Xiaomi 15T is designed with longevity in mind, featuring a robust build and a 5500mAh battery that supports extended use. Users can expect reliable performance over time, making it a durable choice for those seeking a long-lasting device.

Equipped with a high-refresh-rate AMOLED display and a capable chipset, the Xiaomi 15T ensures smooth performance for various applications. Its hardware is well-suited to handle future software updates, maintaining a responsive user experience throughout its lifespan.

Design by Hasnain Khan| Render © (Xiaomi 15T)

Xiaomi has committed to providing extended software support for the Xiaomi 15T, ensuring it receives timely updates and security patches. This commitment enhances the device’s longevity, keeping it secure and up-to-date with the latest features.

With its durable hardware, efficient performance, and extended software support, the Xiaomi 15T is a future-proof device that offers value over time. Users can rely on it for consistent performance and security throughout its lifecycle.

Who Should Buy the Xiaomi 15T?

The Xiaomi 15T boasts a Leica-tuned triple camera setup, including a 50MP main sensor, 12MP ultra-wide, and a 50MP telephoto lens with 2x optical zoom. Features like Master Portrait and Street Photography modes, along with HDR10+ 4K video recording, make it ideal for mobile photography enthusiasts.

Powered by the MediaTek Dimensity 8400-Ultra chipset and 12GB RAM, the Xiaomi 15T ensures smooth multitasking and efficient performance. Its 5500mAh battery supports a full day’s use, and the 67W wired charging quickly replenishes the device, catering to users with demanding productivity needs.

Priced competitively, the Xiaomi 15T offers flagship-grade features at a more accessible cost. With its premium design, robust performance, and advanced camera capabilities, it provides excellent value for those seeking high-end specifications without the premium price tag.

Design by Hasnain Khan| Render © (Xiaomi 15T)

Final Verdict — Honest Take

Design by Hasnain Khan| Render © (Xiaomi 15T)

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FAQs

What is the display size and type on Xiaomi 15T?
  • The Xiaomi 15T features a 6.83-inch AMOLED display with vibrant colors and excellent contrast.

  • The Xiaomi 15T is powered by the MediaTek Dimensity 8400-Ultra chipset, offering strong performance.

  • The Xiaomi 15T comes with 12GB of RAM and storage options of either 256GB or 512GB.

  • The Xiaomi 15T is equipped with a 5500mAh dual-cell battery for long-lasting usage.

  • The Xiaomi 15T supports 67W wired fast charging, delivering a full charge in under an hour.

  • No, the Xiaomi 15T does not support wireless charging.

  • The Xiaomi 15T features a triple camera system: 50MP main, 50MP telephoto (2x zoom), and 12MP ultra-wide.

  • The Xiaomi 15T supports 4K video recording at up to 60fps with HDR10+ and 10-bit Log support.

  • The Xiaomi 15T has a 32MP front-facing camera for selfies and video calls.

  • The Xiaomi 15T comes with Android 15 and Xiaomi’s HyperOS 2.0 pre-installed.

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