Xiaomi 15T 5G

🚀 Superior Performance Thanks to Dimensity 8400-Ultra Processor

The Xiaomi 15T is equipped with the MediaTek Dimensity 8400-Ultra chipset, manufactured on an advanced 4nm process, which brings powerful and superior performance. This is accompanied by:

• Mali-G720 GPU

• Integrated NPU 880

The chipset is specially optimized for graphics and AI processing capabilities, providing a stable usage experience and sharp image quality.

The new Xiaomi also possesses an impressive memory configuration with 12GB of high-speed LPDDR5X RAM. Along with storage capacities (256GB, 512GB, and 1TB), the device offers large capacity for users to have storage space.

The Xiaomi Mi 15T runs on the Xiaomi HyperOS 2 operating system, integrating many smart AI features and committing to long-term security update support.

📸 50MP Leica Camera - Reaching the Peak of Masterpieces

The Xiaomi 15T is heavily upgraded in its camera system. The highlight lies in the camera's notable upgrade with many new technologies:

Xiaomi 15T Rear Camera

The Mi 15T 5G features a triple rear camera cluster, including:

• 50MP Leica Main Camera: Large $f/1.7$ aperture, using the Light Fusion 800 sensor (High dynamic range equivalent to a professional camera. Helps accurately capture colors and moving details better in both bright and dark conditions).

• 50MP Telephoto Camera: With up to 60x digital zoom, providing superior flexibility when shooting far away.

• 12MP Ultra-wide-angle Camera: Captures vast scenes with a $120^\circ$ field of view.

Xiaomi 15T Front Camera

The 32MP front camera is significantly upgraded with many smart AI features:

• Supports natural beautification.

• The Mi 15T has the ability to record high-quality video up to 4K@60fps with stabilization technology, suitable for content creation.

Photography Modes on Xiaomi 15T 5G

• Professional Portrait Mode: Upgraded Master Portrait feature supports various focal lengths and different lighting situations, making every photo a masterpiece.

• Street Photography Mode: Captures authentic moments extremely quickly while preserving color and detail.

🔋 Xiaomi 15T Equipped with 5500mAh Battery and Peak Fast Charging

The Xiaomi 15T is equipped with a large 5,500mAh battery capacity, an increase of 500mAh compared to the predecessor generation. It integrates 67W HyperCharge fast charging technology, which helps fully charge the battery to $100\%$ in only 50 minutes. Maximum usage time can reach 13.19 hours.

🌈 6.38-inch Display with HDR10+ Standard, New Technology Protects Eyes

The Xiaomi 15T 5G is equipped with a 6.83-inch display, providing a spacious viewing area and sharp image details. The premium panel supports a 120Hz refresh rate, which helps swiping and tapping operations be smooth, fast, and accurate.

The Xiaomi 15T 2025 display is also equipped with:

• Maximum brightness up to 3,200 nits (APL $25\%$), allowing clear visibility even when used under direct sunlight.

• Supports HDR10+ standard and a display color gamut of up to 68 billion colors, helping reproduce vivid images, accurate colors, and good light balance.

The new Xiaomi display is also equipped with many eye protection certifications that prevent discomfort when using the phone for long periods, such as:

• TÜV Rheinland Low Blue Light.

• TÜV Rheinland Circadian Friendly.

• TÜV Rheinland Flicker Free.

In addition, it features AI screens that are easier to see and use with:

• Smart Lock Detection: Automatically locks the screen when no user is detected.

• Smart Screen Rotation: Tracks the face and rotates the main screen precisely to the user's orientation.

• Smart AOD: The screen activates Always-On Display mode when recognizing the user's face, even when locked.

• Upgraded Touch Accuracy: Makes it easier to operate when gaming, wearing gloves, or having wet hands.

Refined Design, Durable with IP68 Water and Dust Resistance

The Xiaomi 15T is also designed with a modern aesthetic language, highlighted by the lenses placed in the top left corner of the back, creating an impressive focal point. The edges are intricately processed with a modern flat style, combined with gently rounded corners. As a result, the device provides a comfortable grip while maintaining a luxurious and refined appearance.

With its light weight, the phone offers a lightweight feel for long-term use or when carrying it around. The phone is equipped with IP68 water and dust resistance, which helps protect the phone better during use.

AI Ecosystem, Google Gemini Smart Interaction

The device possesses a custom-designed AI assistant, allowing users to unleash their creativity while enhancing work productivity. The Xiaomi AI ecosystem features deep text and voice processing capabilities:

• Voice Recognition: Automatically converts speech to text based on the cloud platform.

• AI Interpreter: Provides quick, real-time translation for calls and online meetings.

• AI Writing: Supports text summarization, note-taking, and spell-checking for messages.

• AI Search on Mi 15T: With deep understanding of specialized terminology, supports accurate searching for desired content.

Additionally, Mi 15T 5G users can chat with Gemini for quick questions and answers, and image creation. Gemini even allows connecting multiple applications to help users quickly gather information.

Xiaomi Offline Communication

With the Xiaomi Offline Communication feature, you can still make phone calls even without a network connection, within a maximum range of 1.3km, ensuring communication capability in the most urgent moments. Conditions:

• A SIM card is required.

• A Xiaomi account must be logged in to function.

• A clear, unobstructed environment results in better call quality.

🆚 Comparison of Xiaomi 15T with Other Versions

🆚 Xiaomi 15T vs. Xiaomi 15T Pro Comparison

The Mi 15T and Xiaomi 15T Pro duo were launched at the same time, are there any differences that require careful consideration when choosing?

🆚 Xiaomi 15T vs. Xiaomi 14T: Is it Worth Upgrading?

Before making a choice, many users are interested in the difference between the Xiaomi 15T and the Xiaomi 14T. Here is a detailed comparison table of the key configuration and features of the two versions for easy reference:

Compared to the Mi 14T, the Mi 15T is thinner, lighter, and has significant improvements in performance and camera. If users are looking for a lightweight phone with powerful performance and a large battery capacity, the Mi 15T is a worthwhile choice.

🆚 Xiaomi 15T vs. Galaxy S25 FE Comparison

Both the Mi 15T and S25 FE phones were recently launched. Let's see what differences the Xiaomi 15T has:

📊 Xiaomi 15T Performance Score Review

Performance is the decisive factor in the usage experience of the Xiaomi 15T 12GB 512GB, reflecting its processing power and hardware optimization capability. Equipped with the Dimensity 8400-Ultra chip and Mali-G720 MP7 GPU, the phone provides a foundation of strong, stable performance for all tasks.

Performance Scores

Antutu Score

The Xiaomi 15T achieved approximately 1,858,793 points on the Antutu v11 version, according to test data performed by Sforum. Antutu is a comprehensive evaluation tool for overall performance, including CPU power, GPU, memory, and interface response speed.

This is an impressive number, reflecting the strong processing capability of the Dimensity 8400-Ultra chip. With the support of this chipset, the phone easily handles complex tasks such as 4K video recording, heavy gaming, or in-depth photo editing.

Thanks to the 4nm manufacturing process, this chip allows the Xiaomi 15T 12GB 512GB to process 15% faster than the previous generation, while reducing energy consumption when operating at high loads. The combination with IceLoop cooling technology helps keep the CPU temperature stable, limiting throttling during extended tests.

Furthermore, the UFS 4.1 memory provides significantly faster read and write speeds, ensuring the Antutu score accurately reflects the system's response speed. With an Antutu score close to 1.9 million, the Xiaomi 15T not only excels in its price range but also shows the ability to compete directly with many top-tier flagships in 2025.

Geekbench 6 Score

According to test results published by Sforum, the Xiaomi 15T 12GB 512GB achieved 1,573 single-core points and 6,289 multi-core points. Geekbench 6 is a popular CPU performance test, evaluating single-core and multi-core processing capability through simulated real-world tasks.

The single-core score clearly shows the device's ability to respond quickly when opening applications, handling light tasks, or browsing daily content. Meanwhile, the multi-core score reflects the superior performance of the Xiaomi 15T when running many processes simultaneously.

When operating, the Dimensity 8400-Ultra chip with its high-performance core structure helps maintain stable processing speed without consuming too much energy. Thanks to the combination with LPDDR5X RAM and UFS 4.1 memory, latency is minimized, making every operation seamless and smooth.

In addition, the HyperOS operating system effectively optimizes resources, allowing the phone to achieve high Geekbench scores while maintaining stable temperatures during testing. In actual usage conditions, this performance level helps the Xiaomi 15T 12GB 512GB run smoothly when editing videos, processing RAW photos, or running AI applications.

3DMark Score

According to test results published by Sforum, the Mali-G720 MP7 GPU on the Xiaomi 15T achieved approximately 3,568 points in the Wild Life Extreme Unlimited test. The 3DMark test is a general graphics performance measurement tool, often used to evaluate the ability to handle images, 3D modeling, and heavy games.

This score level shows that the phone easily meets tasks that require high GPU capability such as playing 3D games, rendering, or displaying complex effects. With the modern 4nm process, this GPU provides stable performance and significantly reduces frame drop phenomena during extended heavy loads.

The IceLoop cooling system of the Xiaomi 15T 12GB 512GB also contributes to effective temperature control, ensuring stable graphics performance throughout the testing process. Additionally, Adaptive Performance technology helps the phone automatically allocate GPU power appropriately for each application, optimizing energy when not under heavy load.

Gaming Performance Scores

Beyond performance results, the actual experience accurately reflects the performance of the Xiaomi Mi 15T during use. Thanks to the Dimensity 8400-Ultra chip and Mali-G720 MP7 GPU, the device maintains stable FPS and effective heat dissipation when playing many heavy games.

Arena of Valor 

In the practical test with Arena of Valor, the Xiaomi 15T was set to an impressively high graphics level and played continuously for about 20 minutes in ranked mode. The results showed that the device maintained a stable 60 FPS throughout the match, with no stuttering, lagging, or frame loss when rotating the camera.

The Mali-G720 GPU along with the IceLoop cooling system helps the Xiaomi 15T 12GB 512GB control temperature well, providing a comfortable grip even during long gaming sessions. Thanks to the powerful performance of the Dimensity 8400-Ultra, the phone responds quickly in all combat operations, scene transitions, and skill usage.

Although the current Android version does not allow unlocking the 120 FPS mode, with the available hardware platform, the Mi 15T can run smoothly if the game is updated to support it. Furthermore, the high refresh rate screen helps display sharp images, and provides more accurate touch operations during combat.

PUBG Mobile

When switching to the survival game PUBG Mobile, the Xiaomi 15T 12GB 512GB continued to show impressive processing capability with high stability. The device was set to the Ultra Smooth – Extreme configuration, the setting that allows the FPS to reach the maximum within the game's limits.

Throughout the experience, the frame rate was maintained at an average of ~90 FPS, only slightly dropping to $75–85 \text{ FPS}$ when smoke effects or crowded combat occurred. Thanks to the Mali-G720 GPU and Dimensity 8400-Ultra chip, all aiming, camera rotation, and movement operations were fast and smooth.

The measured temperature of the Xiaomi 15T 12GB 512GB fluctuated around $42–43^\circ C$, which did not cause a hot feeling when playing for a long time. The phone's IceLoop cooling system operates quite effectively, helping to limit GPU throttling during complex processing phases. In addition, loud sound and high screen brightness also help increase the realism in every shooting scenario.

Thanks to stable performance and the ability to maintain high FPS, the Xiaomi 15T provides a smooth PUBG Mobile experience even in large maps like Erangel or Miramar. This helps players easily react quickly in combat, move flexibly, and utilize hardware advantages to achieve higher playing efficiency.

Genshin Impact

With the open-world game Genshin Impact, which is famous for requiring strong hardware, the Xiaomi 15T 12GB 512GB still showed superior performance. When setting all graphics to the current top high level, the phone reached an average of $55–60 \text{ FPS}$, maintaining stability in most combat situations.

The frame rate only slightly dropped when too many spell effects appeared or in complex battles, but it did not cause noticeable lag or stuttering. The Mali-G720 MP7 GPU along with IceLoop thermal management technology helps the phone operate stably, keeping the temperature fluctuating between $40–45^\circ C$, ensuring performance does not decrease during extended play.

Thanks to the high performance of the Dimensity 8400-Ultra chip and the software optimization capability of HyperOS, the Genshin Impact experience on the Xiaomi 15T 12GB 512GB becomes seamless. The high refresh rate screen helps accurately reproduce character movements, while stereo sound and good haptic feedback contribute to increased realism when exploring the game world.