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Xiaomi 15T (12GB + 512GB) Review | 197 Data compared

Avg. price: ~£430
RAM capacity: 12 GB
Internal storage: 512 GB
Screen size: 6.83 inches
Main camera megapixels: 50 MP & 50 MP & 12 MP

Xiaomi 15T (12GB + 512GB) review. Compare 197 technical specifications and user reviews to see how it ranks among smartphones and if it's worth buying.

8.7

Excellent

8.6

Excellent

9.5

Exceptional

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Available versions:

12GB + 512GB12GB + 256GB £?

Verdict

The Xiaomi 15T (12GB + 512GB version) is a high-end smartphone featuring the MediaTek Dimensity 8400-Ultra processor and a large 5500 mAh battery with 67W wired fast charging, but no wireless charging. It boasts a premium 6.83-inch, 120Hz AMOLED display (3200 nits peak brightness) and an impressive Leica-tuned triple camera system (50MP main with OIS, 50MP 2x telephoto, 12MP ultrawide). It offers excellent build quality with an IP68 rating, a large UFS 4.1 storage capacity, and a solid software update policy. However, some reviews note that the ultrawide and selfie (32MP) cameras could be better, the frame is plastic (unlike the Pro's aluminum), and the device still uses a slower USB 2.0 port.

Technical Specifications of smartphone Xiaomi 15T (12GB + 512GB)

Overall score

8.7

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Popularity

What it is: An indicator based on the number of reviews received by the smartphone.

When it matters: When you prefer to purchase a product chosen and reviewed by many other consumers.

Performance & Hardware

9.0

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Brand name

What it is: The manufacturer or brand under which the smartphone is marketed and sold.

When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

Importance: MEDIUM

Xiaomi

Processor model

What it is: The central System-on-Chip (SoC) that houses the CPU, GPU, modem, and other core processing components.

When it matters: When you want to know the specific engine powering your device's speed and features.

Importance: HIGH

RAM capacity

What it is: The amount of volatile memory available for running apps and multitasking.

When it matters: When you use multiple apps at once or want smoother multitasking without reloads.

Importance: HIGH

Good value: >12 GB

Internal storage

What it is: The total built-in space available for apps, media, and files.

When it matters: When you keep large libraries of photos, videos, and apps directly on your device.

Importance: HIGH

Good value: >256 GB

CPU boost clock speed

What it is: The maximum speed the processor can achieve temporarily under heavy load.

When it matters: When you run demanding apps or games that require short bursts of peak performance.

Importance: MEDIUM

Good value: >3.2 GHz

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Software

9.6

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Operating system

What it is: The primary system software that manages the smartphone's hardware and software resources.

When it matters: When you have a preference for the user interface and app ecosystem.

Importance: HIGH

Android version

What it is: The specific generation number of the Android operating system installed on the device.

When it matters: When you want to ensure app compatibility and access to the latest software features.

Importance: LOW

Direct OS updates

What it is: Indicates whether the device receives operating system updates directly from the manufacturer or Google, ensuring timely security and feature updates.

When it matters: When you want the fastest access to new features and security patches.

Importance: HIGH

Open-source OS

What it is: Shows whether the device’s operating system is based on open-source code, allowing community contributions and greater transparency.

When it matters: When you value transparency and potential community-driven modifications.

Importance: LOW

Dark mode

What it is: A display option that uses dark backgrounds to reduce eye strain and save battery on OLED screens.

When it matters: When you want to reduce eye strain at night or save battery on OLED screens.

Importance: LOW

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Camera

8.5

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Multi-lens main camera

What it is: Indicates that the rear camera system includes multiple lenses (e.g., wide, ultra-wide, telephoto) for versatile shooting options.

When it matters: When you want versatility to shoot wide landscapes, standard shots, and zoomed details.

Importance: MEDIUM

Main camera megapixels

What it is: The resolution of the primary rear camera sensor, measured in millions of pixels (MP). Higher megapixels can capture more detail.

When it matters: When you want to capture high-resolution images that can be cropped or printed large.

Importance: HIGH

Good value: >50 MP

Main camera aperture

What it is: The size of the lens opening (f-stop) that controls light entry. A lower f-number indicates a wider aperture, allowing better low-light shots.

When it matters: When you want better low-light performance or a natural background blur effect.

Importance: HIGH

Main camera sensor area

What it is: The total physical surface area of the camera sensor (calculated by multiplying the number of megapixels by the square of the individual pixel size). A larger area captures more light, resulting in better night photos and less digital noise.

When it matters: When you want to capture clear, detailed photos in low-light conditions with minimal grain and achieve a natural, professional-looking background blur for portraits.

Importance: HIGH

Good value: >60

Main camera pixel size

What it is: The physical size of individual pixels on the camera sensor, measured in micrometers. Larger pixels typically capture more light for better low-light performance.

When it matters: When you shoot in low light and want reduced noise in your photos.

Importance: MEDIUM

Good value: ≥1.2 µm

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Connectivity

8.5

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Number of SIM slots

What it is: The number of physical SIM cards or eSIM profiles the device can support simultaneously.

When it matters: When you need to manage two different phone numbers or travel internationally with a local SIM.

Importance: MEDIUM

Good value: ≥2

Cellular module

What it is: The hardware component capable of connecting to mobile cellular networks for voice and data.

When it matters: When you need to stay connected to calls and internet away from Wi-Fi.

Importance: LOW

5G connectivity

What it is: Support for the fifth generation of mobile network technology, offering significantly faster data speeds and lower latency.

When it matters: When you need the fastest possible mobile data speeds for streaming and downloading on the go.

Importance: MEDIUM

LTE support

What it is: Support for Long-Term Evolution (4G) networks, providing high-speed mobile data.

When it matters: When you need reliable mobile internet coverage in areas where 5G isn't available.

Importance: HIGH

Wi-Fi connectivity

What it is: The ability to connect to wireless local area networks for internet access and local networking.

When it matters: When you want to save mobile data and connect to home or public networks.

Importance: HIGH

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Display

9.1

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Screen size

What it is: The physical diagonal measurement of the display area, usually expressed in inches.

When it matters: When you choose between a compact phone for one-handed use or a large screen for media.

Importance: MEDIUM

Good value: ≥6.6 inches

Screen resolution

What it is: The total number of pixels displayed on the screen, expressed as width x height, determining sharpness.

When it matters: When you want crisp text and sharp details in photos and videos.

Importance: HIGH

Pixel density

What it is: The concentration of pixels on the display, measured in pixels per inch (PPI), affecting image clarity.

When it matters: When you want the image to look perfectly smooth with no visible pixels.

Importance: HIGH

Good value: >400 ppi

Display type

What it is: The specific technology used for the screen panel (e.g., OLED, IPS LCD), influencing contrast, color, and efficiency.

When it matters: When you care about vibrant colors, deep blacks, and battery efficiency.

Importance: HIGH

Refresh rate

What it is: The number of times per second the display updates the image, measured in Hertz (Hz); higher rates offer smoother motion.

When it matters: When you want scrolling to feel fluid and games to look smoother.

Importance: HIGH

Good value: ≥120 Hz

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Battery

7.7

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Battery capacity

What it is: The amount of electric charge the battery can hold, measured in milliampere-hours (mAh).

When it matters: When you want a general idea of how large the battery is physically.

Importance: HIGH

Good value: >5000 mAh

Charging speed

What it is: The maximum power input supported for wired charging, measured in Watts (W).

When it matters: When you are in a rush and need to top up your battery quickly.

Importance: HIGH

Good value: >60 W

Fast charging

What it is: In the context of modern electronics, "Fast Charging" refers to any technology that delivers power significantly higher than the traditional USB baseline. While the industry standard for a basic charger is 5W (5V at 1A), a charger is generally classified as a fast charger if it provides at least 18W of power.

When it matters: When you want to minimize the time your phone spends tethered to a wall outlet.

Importance: MEDIUM

GSMArena full wired charge time

What it is: The time taken to charge the battery from 0% to 100% using the bundled or recommended charger, as measured by GSMArena.

When it matters: When you want to know exactly how long it takes to charge from 0 to 100% in real-world tests.

Importance: MEDIUM

Good value: <45 min

Wireless charging

What it is: The ability to charge the battery without cables by placing the device on a compatible charging pad.

When it matters: When you prefer the convenience of dropping your phone on a pad without fumbling with cables.

Importance: MEDIUM

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Audio

6.9

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Stereo speakers

What it is: A setup involving two or more speakers to create a left-right audio separation for immersive sound.

When it matters: When you watch videos or play games without headphones and want immersive sound.

Importance: MEDIUM

3.5 mm headphone jack

What it is: A standard analog audio port for connecting wired headphones or auxiliary cables.

When it matters: When you prefer using traditional wired headphones without dongles or adapters.

Importance: LOW

Number of microphones

What it is: The total count of microphones on the device, used for audio recording, noise cancellation, and voice isolation.

When it matters: When you want clear audio recording and better noise cancellation during calls.

Importance: MEDIUM

Good value: ≥3

FM radio

What it is: A built-in receiver allowing users to listen to local FM radio stations using wired headphones as an antenna.

When it matters: When you want to listen to local radio stations without using mobile data.

Importance: LOW

aptX Lossless

What it is: A Bluetooth technology designed to deliver CD-quality audio without data loss during transmission.

When it matters: When you demand CD-quality audio over Bluetooth with no loss of detail.

Importance: LOW

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Design

8.0

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Height

What it is: The vertical dimension of the device.

When it matters: When you are concerned about whether the phone will fit in your pocket or purse.

Importance: LOW

Good value: <162 mm

Width

What it is: The horizontal dimension of the device when held in portrait orientation.

When it matters: When you care about how easy the phone is to grip and use with one hand.

Importance: LOW

Good value: <75 mm

Thickness

What it is: The depth of the device profile, excluding the camera bump unless specified.

When it matters: When you prefer a sleek, slim profile that slides easily into tight pockets.

Importance: LOW

Good value: <8 mm

Weight

What it is: The total mass of the smartphone, affecting how heavy it feels in the hand.

When it matters: When you want a phone that feels light in your pocket or substantial in your hand.

Importance: MEDIUM

Good value: <190 g

Device volume

What it is: The calculated total volume of the device's physical body.

When it matters: When you want to understand the overall physical bulk of the device.

Importance: LOW

Good value: <98cm³

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Xiaomi 15T (12GB + 512GB) vs the average smartphone

Why is Xiaomi 15T (12GB + 512GB) better than the average smartphone?

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Has optical image stabilization
Xiaomi 15T (12GB + 512GB) has optical image stabilization (OIS), the average smartphone does not. 48.3% of smartphones feature OIS.
What it is: A hardware mechanism that physically moves the camera lens or sensor to counteract hand shakiness and reduce blur in photos and videos.
When it matters: When you want to reduce blur in photos and shake in videos, especially in low light.
Importance: HIGH
Xiaomi 15T (12GB + 512GB) has optical image stabilization (OIS), the average smartphone does not. 48.3% of smartphones feature OIS.
2,200 nits higher peak brightness
Xiaomi 15T (12GB + 512GB) has a higher peak brightness than the average smartphone (3,200 nits vs 1,000 nits). The average peak brightness is 1,000 nits.
What it is: The absolute maximum brightness a small portion of the screen can achieve briefly, usually when displaying HDR content.
When it matters: When you watch HDR content and want highlights like explosions or sunlight to look realistic.
Importance: MEDIUM
Good value: >1300 nits
Xiaomi 15T (12GB + 512GB) has a higher peak brightness than the average smartphone (3,200 nits vs 1,000 nits). The average peak brightness is 1,000 nits.3200 nits vs 1000 nits
Higher screen resolution
Xiaomi 15T (12GB + 512GB) has a higher screen resolution than the average smartphone (1280x2772 px vs 1080x2400 px). The average smartphone resolution is 1080x2400 px.
What it is: The total number of pixels displayed on the screen, expressed as width x height, determining sharpness.
When it matters: When you want crisp text and sharp details in photos and videos.
Importance: HIGH
Xiaomi 15T (12GB + 512GB) has a higher screen resolution than the average smartphone (1280x2772 px vs 1080x2400 px). The average smartphone resolution is 1080x2400 px.1280x2772 px vs 1080x2400 px
2 x higher optical zoom
Xiaomi 15T (12GB + 512GB) offers higher optical zoom than the average smartphone (2x vs 0x).
What it is: A true zoom feature that adjusts the camera lens to get closer to the subject without losing image quality, unlike digital zoom.
When it matters: When you want to get closer to a distant subject without losing image clarity.
Importance: HIGH
Good value: >2.5x
Xiaomi 15T (12GB + 512GB) offers higher optical zoom than the average smartphone (2x vs 0x).2 x vs 0 x
63% higher PCMark Work 3.0 Performance benchmark
Xiaomi 15T (12GB + 512GB) has a higher PCMark Work 3.0 performance score than the average smartphone (17,577 vs 10,783). The average score is 10,783.
What it is: A performance benchmark for Android developed by UL Solutions. It simulates everyday tasks such as web browsing, photo editing, and document writing to measure how well a device handles common productivity workloads.
When it matters: When you use your phone for productivity tasks like document editing and data manipulation.
Importance: HIGH
Good value: >12000
Xiaomi 15T (12GB + 512GB) has a higher PCMark Work 3.0 performance score than the average smartphone (17,577 vs 10,783). The average score is 10,783.17,577 vs 10,783
2x higher touch sampling rate
Xiaomi 15T (12GB + 512GB) has a higher touch sampling rate than the average smartphone (480 Hz vs 240 Hz). The average touch sampling rate is 240 Hz.
What it is: The frequency at which the screen scans for touch input, with higher rates reducing input lag in games.
When it matters: When you play competitive games and need your inputs to register instantly.
Importance: MEDIUM
Good value: >300 Hz
Xiaomi 15T (12GB + 512GB) has a higher touch sampling rate than the average smartphone (480 Hz vs 240 Hz). The average touch sampling rate is 240 Hz.480 Hz vs 240 Hz
0.16 inches larger screen size
Xiaomi 15T (12GB + 512GB) has a larger screen size than the average smartphone (6.8 inches vs 6.67 inches). The average smartphone screen is 6.67 inches.
What it is: The physical diagonal measurement of the display area, usually expressed in inches.
When it matters: When you choose between a compact phone for one-handed use or a large screen for media.
Importance: MEDIUM
Good value: ≥6.6 inches
Xiaomi 15T (12GB + 512GB) has a larger screen size than the average smartphone (6.8 inches vs 6.67 inches). The average smartphone screen is 6.67 inches.6.83 inches vs 6.67 inches
35.4% higher CPU boost clock speed
Xiaomi 15T (12GB + 512GB) has a higher CPU boost clock speed than the average smartphone (3.3 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.
What it is: The maximum speed the processor can achieve temporarily under heavy load.
When it matters: When you run demanding apps or games that require short bursts of peak performance.
Importance: MEDIUM
Good value: >3.2 GHz
Xiaomi 15T (12GB + 512GB) has a higher CPU boost clock speed than the average smartphone (3.3 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.3.25 GHz vs 2.4 GHz
63% higher PCMark Work 3.0 Performance benchmark
Xiaomi 15T (12GB + 512GB) has a higher PCMark Work 3.0 performance score than the average smartphone (17,577 vs 10,783). The average score is 10,783.
35.4% higher CPU boost clock speed
Xiaomi 15T (12GB + 512GB) has a higher CPU boost clock speed than the average smartphone (3.3 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.
33.3% smaller process node
Xiaomi 15T (12GB + 512GB) uses a smaller process node than the average smartphone (4 nm vs 6 nm). The average process node size is 6 nm.
Higher CPU base clock speed
Xiaomi 15T (12GB + 512GB) has a higher CPU base clock speed than the average smartphone (1x3.25 GHz & 3x3.0 GHz & 4x2.1 GHz vs 2x2.2 GHz & 6x2 GHz). The average smartphone has a base clock speed of 2x2.2 GHz & 6x2 GHz.
4 GB more RAM
Xiaomi 15T (12GB + 512GB) has more RAM capacity than the average smartphone (12 GB vs 8 GB). The average smartphone has 8 GB of RAM.
3.11x higher 3DMark Wild Life Extreme benchmark
Xiaomi 15T (12GB + 512GB) performs better in 3DMark Wild Life Extreme than the average smartphone (3,811 vs 1,226). The average smartphone scores 1,226.
2x more storage
Xiaomi 15T (12GB + 512GB) offers more internal storage than the average smartphone (512 GB vs 256 GB). The average smartphone provides 256 GB of internal storage.
70.2% higher Geekbench 6 single-core benchmark score
Xiaomi 15T (12GB + 512GB) scores better in Geekbench 6 single-core than the average smartphone (1,603 vs 942). The average smartphone scores 942 in single-core.
55.1% faster memory speed
Xiaomi 15T (12GB + 512GB) supports faster memory speed than the average smartphone (4,266 MHz vs 2,750 MHz). The average smartphone supports 2,750 MHz memory speed.
36.8% faster GPU clock
Xiaomi 15T (12GB + 512GB) has a higher GPU frequency than the average smartphone (1,300 MHz vs 950 MHz). The average smartphone GPU frequency is 950 MHz.
2 more memory channels
Xiaomi 15T (12GB + 512GB) has more memory channels than the average smartphone (4 vs 2). The average smartphone has 2 memory channels.
84.5% more transistors
Xiaomi 15T (12GB + 512GB) has more transistors than the average smartphone (19,000 million vs 10,300 million). The average smartphone includes 10,300 million transistors.
3.5x more shader units
Xiaomi 15T (12GB + 512GB) features more shader units than the average smartphone (896 vs 256). The average smartphone has 256 shader units.
Better processor
Xiaomi 15T (12GB + 512GB) features a better processor than the average smartphone (MediaTek Dimensity 8,400 Ultra vs Qualcomm Snapdragon 7 Gen 3).
50% more L3 cache
Xiaomi 15T (12GB + 512GB) has more L3 cache than the average smartphone (6,144 KB vs 4,096 KB). The average L3 cache is 4,096 KB.
Supports newer OpenCL version
Xiaomi 15T (12GB + 512GB) supports a newer OpenCL version than the average smartphone (3 vs 2.0). The average version is 2.0.
Receives direct OS updates
Xiaomi 15T (12GB + 512GB) supports direct OS updates, the average smartphone does not. 20.5% of smartphones support this feature.
Higher on-device AI tier
Xiaomi 15T (12GB + 512GB) runs on the productivity AI tier, while the average smartphone runs on fundamental, enabling stronger on-device AI features.
Supports fast boot
Xiaomi 15T (12GB + 512GB) supports fast boot, the average smartphone does not. 22.4% of smartphones include fast boot capabilities.
Includes cross-site tracking protection
Xiaomi 15T (12GB + 512GB) supports cross-site tracking prevention, the average smartphone does not. 32.2% of smartphones include this feature.
Newer Android version
Xiaomi 15T (12GB + 512GB) features a newer Android version than the average smartphone (Android 15 vs Android 14). The average version is Android 14.
Has optical image stabilization
Xiaomi 15T (12GB + 512GB) has optical image stabilization (OIS), the average smartphone does not. 48.3% of smartphones feature OIS.
2 x higher optical zoom
Xiaomi 15T (12GB + 512GB) offers higher optical zoom than the average smartphone (2x vs 0x).
56.3% larger main camera sensor area
Xiaomi 15T (12GB + 512GB) has a larger main camera sensor area than the average smartphone (50 mm² vs 32 mm²). The average main camera sensor area is 32 mm².
Supports laser autofocus
Xiaomi 15T (12GB + 512GB) features laser autofocus, the average smartphone does not. 21.4% of smartphones include laser AF.
Supports HDR10 video recording
Xiaomi 15T (12GB + 512GB) supports HDR10 video recording, the average smartphone does not. 36.1% of smartphones support HDR10.
Supports RAW photo capture
Xiaomi 15T (12GB + 512GB) supports RAW photo capture, the average smartphone does not. 37.1% of smartphones allow RAW files.
Higher-resolution main camera
Xiaomi 15T (12GB + 512GB) has a higher main camera resolution than the average smartphone (50 MP & 50 MP & 12 MP vs 50 MP & 8 MP). The average smartphone main camera has 50 MP & 8 MP megapixels.
Higher front camera megapixels
Xiaomi 15T (12GB + 512GB) has more front camera megapixels than the average smartphone (32 MP vs 16 MP). The average front camera has 16 MP megapixels.
Supports Dolby Vision video recording
Xiaomi 15T (12GB + 512GB) supports Dolby Vision video recording, the average smartphone does not. 10.7% of smartphones support Dolby Vision.
Better main camera video
Xiaomi 15T (12GB + 512GB) records better main camera video than the average smartphone. 22.6x of smartphones support 4K or higher.
Supports 360° panorama
Xiaomi 15T (12GB + 512GB) can capture 360° panoramas, the average smartphone cannot. 25.1% of smartphones support 360° panoramas.
Allows manual shutter speed
Xiaomi 15T (12GB + 512GB) allows manual shutter speed control, the average smartphone does not. 29.7% of smartphones include this.
Wider main camera aperture
Xiaomi 15T (12GB + 512GB) has a wider main camera aperture than the average smartphone (f/1.7 & f/1.9 & f/2.2 vs f/1.8 & f/2.2 & f/2.4 & f/2.4). The average aperture value is f/1.8 & f/2.2 & f/2.4 & f/2.4.
0.2 µm larger main camera pixel size
Xiaomi 15T (12GB + 512GB) has a larger main camera pixel size than the average smartphone (1 µm vs 0.8 µm). The average pixel size is 0.8 µm.
Newer Wi-Fi version
Xiaomi 15T (12GB + 512GB) supports a newer Wi-Fi version than the average smartphone (Wi-Fi 6E (802.11ax), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n) vs Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)). The average smartphone uses Wi-Fi Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n).
Includes crash detection
Xiaomi 15T (12GB + 512GB) features crash detection, the average smartphone does not. 5.6% of smartphones include automatic crash detection.
Has a heart rate monitor
Xiaomi 15T (12GB + 512GB) features a heart rate monitor, the average smartphone does not. 4.9% of smartphones include a built-in heart rate sensor.
Supports optical tracking
Xiaomi 15T (12GB + 512GB) supports optical tracking, the average smartphone does not. 12.2% of smartphones include optical tracking.
Newer Bluetooth version
Xiaomi 15T (12GB + 512GB) supports a newer Bluetooth version than the average smartphone (6 vs 5.2). The average version is Bluetooth 5.2.
Supports motion tracking
Xiaomi 15T (12GB + 512GB) supports motion tracking, the average smartphone does not. 21.9% of smartphones offer motion tracking capabilities.
Has an infrared sensor
Xiaomi 15T (12GB + 512GB) includes an infrared sensor, the average smartphone does not. 33.3% of smartphones feature an IR blaster.
2,200 nits higher peak brightness
Xiaomi 15T (12GB + 512GB) has a higher peak brightness than the average smartphone (3,200 nits vs 1,000 nits). The average peak brightness is 1,000 nits.
Higher screen resolution
Xiaomi 15T (12GB + 512GB) has a higher screen resolution than the average smartphone (1280x2772 px vs 1080x2400 px). The average smartphone resolution is 1080x2400 px.
0.16 inches larger screen size
Xiaomi 15T (12GB + 512GB) has a larger screen size than the average smartphone (6.8 inches vs 6.67 inches). The average smartphone screen is 6.67 inches.
2x higher touch sampling rate
Xiaomi 15T (12GB + 512GB) has a higher touch sampling rate than the average smartphone (480 Hz vs 240 Hz). The average touch sampling rate is 240 Hz.
631.5 nits higher GSMArena max display brightness
Xiaomi 15T (12GB + 512GB) has a higher GSMArena max display brightness than the average smartphone (1,525 nits vs 893.5 nits). The average max brightness is 893.5 nits.
Higher contrast ratio
Xiaomi 15T (12GB + 512GB) has a higher contrast ratio than the average smartphone (5000000:1 vs 1000000:1). The average smartphone contrast ratio is 1000000:1.
Supports Dolby Vision support
Xiaomi 15T (12GB + 512GB) supports Dolby Vision, the average smartphone does not. 17.4% of smartphones are Dolby Vision compatible.
Supports HDR10 support
Xiaomi 15T (12GB + 512GB) supports HDR10, the average smartphone does not. 42.7% of smartphones are HDR10 compatible.
Supports HDR10+ support
Xiaomi 15T (12GB + 512GB) supports HDR10+, the average smartphone does not. 21.9% of smartphones include HDR10+ support.
13.2% higher pixel density
Xiaomi 15T (12GB + 512GB) has a higher pixel density than the average smartphone (447 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
Has an always-on display
Xiaomi 15T (12GB + 512GB) features an always-on display, the average smartphone does not. 49.1% of smartphones offer always-on functionality.
Better display glass type
Xiaomi 15T (12GB + 512GB) features a better display glass type than the average smartphone (Corning Gorilla Glass 7i vs Corning Gorilla Glass 5). The average smartphone uses Corning Gorilla Glass 5 protection.
2.03x faster charging speed
Xiaomi 15T (12GB + 512GB) supports a faster charging speed than the average smartphone (67 W vs 33 W). The average charging speed is 33 W.
10% larger battery capacity
Xiaomi 15T (12GB + 512GB) has a larger battery capacity than the average smartphone (5,500 mAh vs 5,000 mAh). The average smartphone battery is 5,000 mAh.
12 min faster GSMArena full wired charge time
Xiaomi 15T (12GB + 512GB) has a faster GSMArena full wired charge time than the average smartphone (50 min vs 62 min). The average charge time is 62 min.
6.9% higher PCMark Work 3.0 battery benchmark
Xiaomi 15T (12GB + 512GB) has a higher PCMark Work 3.0 battery benchmark score than the average smartphone (840 min vs 786 min). The average score is 786 min.
1 more microphone/s
Xiaomi 15T (12GB + 512GB) has more microphones than the average smartphone (3 vs 2). The average smartphone has 2 microphones.
0.8 mm thinner
Xiaomi 15T (12GB + 512GB) is thinner than the average smartphone (7.5 mm vs 8.3 mm). The average smartphone thickness is 8.3 mm.
1.5 m deeper water resistance
Xiaomi 15T (12GB + 512GB) has a deeper water resistance rating than the average smartphone (3 m vs 1.5 m). The average depth rating is 1.5 m.
Better IP rating
Xiaomi 15T (12GB + 512GB) has a better IP rating than the average smartphone (IP68 vs IP67). The average IP rating is IP67.

Performance & Hardware

Why is Xiaomi 15T (12GB + 512GB) worse than the average smartphone?

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14.3% lower maximum RAM capacity
Xiaomi 15T (12GB + 512GB) supports less maximum RAM than the average smartphone (12 GB vs 14 GB). The average smartphone supports 14 GB of RAM.
No memory card slot
Xiaomi 15T (12GB + 512GB) does not have a memory card slot, the average smartphone does. 53.5% of smartphones feature expandable storage.
1 fewer external displays supported
Xiaomi 15T (12GB + 512GB) supports fewer external displays than the average smartphone (0 vs 1). The average smartphone supports 1 external displays.
2 mm wider
Xiaomi 15T (12GB + 512GB) is wider than the average smartphone (78 mm vs 76 mm). The average smartphone has a width of 76 mm.
No memory card slot
Xiaomi 15T (12GB + 512GB) does not have a memory card slot, the average smartphone does. 53.5% of smartphones feature expandable storage.
What it is: A physical slot, usually for microSD cards, allowing users to expand the device's storage capacity.
When it matters: When you want to cheaply expand your storage for photos, music, and movies.
Importance: LOW
Xiaomi 15T (12GB + 512GB) does not have a memory card slot, the average smartphone does. 53.5% of smartphones feature expandable storage.
2 mm wider
Xiaomi 15T (12GB + 512GB) is wider than the average smartphone (78 mm vs 76 mm). The average smartphone has a width of 76 mm.
What it is: The horizontal dimension of the device when held in portrait orientation.
When it matters: When you care about how easy the phone is to grip and use with one hand.
Importance: LOW
Good value: <75 mm
Xiaomi 15T (12GB + 512GB) is wider than the average smartphone (78 mm vs 76 mm). The average smartphone has a width of 76 mm.78.0 mm vs 76 mm
14.3% lower maximum RAM capacity
Xiaomi 15T (12GB + 512GB) supports less maximum RAM than the average smartphone (12 GB vs 14 GB). The average smartphone supports 14 GB of RAM.
What it is: The highest amount of RAM that the device’s chipset or architecture can support, regardless of how much is actually installed.
When it matters: When you are considering the long-term potential of the hardware platform.
Importance: MEDIUM
Good value: >16 GB
Xiaomi 15T (12GB + 512GB) supports less maximum RAM than the average smartphone (12 GB vs 14 GB). The average smartphone supports 14 GB of RAM.12 GB vs 14 GB
1 fewer external displays supported
Xiaomi 15T (12GB + 512GB) supports fewer external displays than the average smartphone (0 vs 1). The average smartphone supports 1 external displays.
What it is: The capability to connect to and drive external monitors or screens for productivity or entertainment.
When it matters: When you want to use your phone as a computer or media center on a larger screen.
Importance: LOW
Good value: ≥2
Xiaomi 15T (12GB + 512GB) supports fewer external displays than the average smartphone (0 vs 1). The average smartphone supports 1 external displays.0 vs 1
65.4% more expensive
Xiaomi 15T (12GB + 512GB) is more expensive than the average smartphone (£430 vs £260).
Xiaomi 15T (12GB + 512GB) is more expensive than the average smartphone (£430 vs £260).£430 vs £260

Performance & Hardware

Graphic comparison of Xiaomi 15T (12GB + 512GB) and other smartphones

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Third-party reviews

United Kingdom

(Reviews last updated: March 2026)

United Kingdom

(Reviews last updated: March 2026)

What customers like about Xiaomi 15T (12GB + 512GB)?

Stunning 6.83-inch AMOLED display with a peak brightness of over 3,200 nits and eye-friendly 3,840Hz PWM dimming
Excellent battery endurance with a 5,500 mAh cell that frequently lasts up to two days on a single charge
Strong primary photography performance featuring a 50MP Leica-tuned main sensor that delivers high detail and wide dynamic range
Modern, lightweight design (194g) with a slim profile and IP68 water/dust resistance rating
Generous 12GB of RAM and fast UFS 4.1 storage as standard
Effective cooling system that prevents overheating even during casual gaming sessions

What customers dislike about Xiaomi 15T (12GB + 512GB)?

Lack of wireless charging, a common feature missing in this mid-range price bracket
Build materials feel less premium due to the use of a plastic frame instead of aluminum
Outdated USB 2.0 port which limits data transfer speeds and lacks video output capabilities
Secondary cameras (ultrawide and 2x telephoto) lag behind the main sensor in terms of detail and dynamic range
Heavily customized HyperOS software includes significant bloatware and pre-installed apps
Slower 67W charging compared to the 90W and 120W speeds found on competing Pro or flagship models

Expert reviews

techadvisor.com

24/09/2025

Summary of the review

Xiaomi 15T Review: Quality Without Innovation - Tech Advisor

According to Tech Advisor, the Xiaomi 15T functions as a balanced, mid-range device featuring a bright 6.83-inch AMOLED display and a capable MediaTek Dimensity 8400-Ultra chipset. Key strengths include a 50MP Leica-co-developed camera system and a robust 5,500mAh battery that supports two-day usage. However, the device is considered an iterative upgrade over its predecessor, lacking significant performance leaps. Compromises include a plastic frame, the absence of wireless charging, and notable software bloatware within HyperOS 2. Tech AdvisorWhile it misses some premium features, the 15T offers strong, reliable performance for its price point. The device also introduces unique, long-range "Astral Communication" capabilities. Tech Advisor

en.techreviewer.de

06/11/2025

Summary of the review

Xiaomi 15T review – How much flagship technology is packed inside!

The Xiaomi 15T is presented as a balanced mid-range smartphone with an understated design, featuring an IP68 rating and a 6.83-inch AMOLED display with high brightness. It utilizes a MediaTek Dimensity 8400 Ultra chipset and a 5,500mAh battery for solid performance and 1-2 days of usage, along with reliable 67W fast charging and a 50MP main camera that delivers sharp daylight photos. However, the device has drawbacks including a plastic frame, lack of OIS on secondary lenses, weak ultrawide camera performance, and some software bloatware and quirks.

photobohemian.com

31/10/2025

Summary of the review

Xiaomi 15T camera review: 150 test photos + video in HDR

PhotoBohemian's review describes the Xiaomi 15T as a mid-range phone offering a good balance of price and performance, with its 50MP main sensor providing dependable results and improved Leica color science. Pros include high overall image quality, effective updated Leica profiles, adequate 2x optical zoom for portraits, and practical 50MP high-resolution mode. Cons highlighted are the 12MP ultra-wide camera's lack of detail, the downgrade from the Pro model's 5x zoom, and HDR video being disabled by default.

expertreviews.co.uk

26/09/2025

Summary of the review

Xiaomi 15T review: Bigger but not better

According to Expert Reviews, the Xiaomi 15T is a competent mid-range phone with strong specifications, including a bright 120Hz AMOLED display, long battery life, and decent performance, but it represents only a minimal upgrade over its predecessor. While it has pros like an attractive, IP68-rated design and good main/telephoto cameras co-engineered with Leica, cons include a plastic frame, a weak ultrawide camera, frustrating HyperOS software, and a lack of a unique selling point in a competitive market where rivals offer better software support, cameras, or raw power. Ultimately, despite being a solid device with good value, its incremental nature and stiff competition prevent a strong recommendation over key rivals.

phonearena.com

02/10/2025

Summary of the review

Xiaomi 15T review: Too many compromises - PhoneArena

PhoneArena's review positions the Xiaomi 15T as a mid-range phone with "flagship-lite" features but notes that its price point and compromises make it face tough competition. Pros include its exceptionally bright 6.83-inch AMOLED display and a capable MediaTek Dimensity 8400 Ultra chipset, while cons include a plastic frame, the lack of wireless charging, and a redundant 2x telephoto camera lens. Ultimately, the review concludes that despite being a competent device with solid daylight photos and 67W fast charging, its starting price of €649 makes it a difficult recommendation against rivals.

connect.de

24/09/2025

Summary of the review

Xiaomi 15T Review: A More Affordable Alternative to the Pro - connect

The Xiaomi 15T is rated "very good" by Connect.de, featuring a 6.8-inch 120Hz AMOLED display and an IP68-rated design that is both robust and relatively compact for its size. Key pros include exceptional 5G/LTE reception and the innovative "Astral Communication" feature, which allows for offline voice calls up to 1.3 kilometers away. www.connect.dePerformance is driven by a strong, durable chipset, though the device lacks the wireless charging capabilities found in the Pro model. Battery life is excellent, lasting over 15 hours in tests. The Leica-tuned triple camera system (50MP main, 50MP 2x telephoto) provides good, if not top-tier, performance compared to the 5x zoom on the Pro version. www.connect.deConcessions include the use of slower USB 2.0 data transfer speeds, 67W wired charging, and Wi-Fi 6E instead of Wi-Fi 7. The device offers a high-value alternative to the Pro, maintaining excellent performance and build quality. www.connect.de

heute.at

07/10/2025

Summary of the review

Xiaomi 15T Review: Top Display, Good Camera, Fair Price

The Xiaomi 15T is presented as a high-value, near-flagship mid-range device featuring an exceptional 6.83-inch AMOLED display with over 3,200 nits peak brightness and 3,840Hz PWM dimming. Powered by the MediaTek Dimensity 8400 Ultra, it delivers robust, cool-running performance, alongside a 5,500mAh battery that provides extensive, long-lasting endurance. While boasting a Leica-branded 50MP main camera that delivers natural, high-quality daylight shots, the device is held back by a plastic build, lack of wireless charging, and significant pre-installed software.

heise.de

08/12/2025

Summary of the review

Xiaomi 15T Review: Smartphone with a Great Camera for Under 400 Euros

The Xiaomi 15T is characterized as a strong price-performance device, with recent pricing around 400 euros. Key strengths include a 6.83-inch, 120Hz OLED display reaching 3,200 nits peak brightness, 3,840 Hz PWM dimming for reduced eye strain, and a 5,500 mAh battery offering multi-day longevity. Powered by the MediaTek Dimensity 8400-Ultra and 12GB RAM, the device delivers smooth performance, complemented by a 50MP main camera that produces sharp, high-contrast daylight photos. However, the 15T uses a plastic frame and back, lacks wireless charging, and features a slow USB 2.0 port. Additionally, the camera system lacks optical image stabilization on the telephoto lens and autofocus on the ultra-wide lens.

chinamobilemag.de

11/12/2025

Summary of the review

Xiaomi 15T review: Not worth it

The Notebookcheck review highlights the Xiaomi 15T as a high-value, near-flagship device featuring an exceptionally bright 6.83-inch AMOLED display (3,310 nits) and a durable IP68-rated design, despite a shift to a plastic frame. Performance is driven by the MediaTek Dimensity 8400 Ultra with effective IceLoop cooling, while a 5,500 mAh battery ensures strong, day-and-a-half endurance. Key compromises to achieve the €400 price point include the lack of wireless charging, slow USB 2.0 speeds, and a 12MP ultrawide camera that struggles with edge blurring and lacks autofocus. For more details, visit Notebookcheck.net.

leclaireur.fnac.com

04/10/2025

Summary of the review

Check out our hands-on with the Xiaomi 15T, the accessible flagship - L'Éclaireur Fnac

The Xiaomi 15T offers a high-end "first-class" experience at an accessible price point, featuring a sober, chic design with a 6.83-inch AMOLED display peaking at 3,200 nits. Pros include robust IP68 water resistance, a large 5,500 mAh battery with 67W charging, and a Leica-powered 50MP main camera, along with a new 1.3km range "Astral Communication" voice feature. Cons involve a lack of LTPO display technology, lower 120Hz refresh rate compared to the Pro, absence of wireless charging, and a telephoto lens without OIS.

frandroid.com

25/10/2025

Summary of the review

Xiaomi 15T Review: Our Full Verdict

Frandroid describes the Xiaomi 15T as a near-ideal mid-range smartphone, balancing high-end features like a 6.67-inch AMOLED display and robust build quality with a competitive price point. The device features a MediaTek Dimensity 8400-Ultra chip, replacing the Pro model's aluminum frame with plastic to cut costs, yet maintains a premium feel with a glass fiber back. Key strengths include a Leica-tuned 50MP camera system providing excellent daylight performance, full IP68 water/dust resistance, and a 5,500 mAh battery with 67W charging. Furthermore, the phone offers a strong, long-term software commitment, promising five years of Android updates. However, the 15T compromises by lacking wireless charging, using a slower USB 2.0 port, and featuring a less versatile 2x telephoto lens. Additionally, users may find the amount of pre-installed bloatware in HyperOS to be a minor drawback.

sportmediaset.mediaset.it

25/09/2025

Summary of the review

Xiaomi 15T Review: The flagship killer that bets everything on photography

The Xiaomi 15T is presented by Sportmediaset as a "flagship killer" focusing on photographic quality through its partnership with Leica, featuring a 50MP main sensor with OIS and a 50MP telephoto lens. The device is lauded for its 6.83-inch, 3,200-nit AMOLED display, robust MediaTek Dimensity 8400 Ultra performance, and a large 5,500 mAh battery with 67W charging. However, compromises include a plastic frame, lack of wireless charging, no autofocus on the ultra-wide lens, and pre-installed bloatware.

it.techreviewer.de

06/11/2025

Summary of the review

Xiaomi 15T Review: So Much Flagship Tech Packed Inside!

The Xiaomi 15T features a 6.83-inch AMOLED display with 1,600 nits brightness and a lightweight design with a matte, fingerprint-resistant back. It boasts premium IP68 water/dust resistance and a 5,500 mAh battery that provides multi-day usage, though it lacks wireless charging. Performance is driven by the MediaTek Dimensity 8400 Ultra, allowing for stable gaming, while the 50MP Leica-co-engineered main camera produces high-quality, stabilized images, despite weaker secondary lenses.

multiplayer.it

02/10/2025

Summary of the review

Xiaomi 15T review: an Android smartphone that looks like a flagship but costs like a mid-range

The Xiaomi 15T positions itself as a "flagship-killer" with a 6.83-inch 3,200-nit AMOLED display and MediaTek Dimensity 8400-Ultra chipset, offering strong performance and a high-quality screen. While the Leica-engineered 50MP main camera captures solid, natural photos, the package is hindered by a subpar 12MP ultra-wide lens, a mediocre 2x telephoto, and inconsistent performance in low light compared to competitors. The design features IP68 protection, yet it sacrifices a premium feel with a plastic frame and lacks wireless charging, alongside bloatware in HyperOS and a slow USB 2.0 port. For a detailed review, see the analysis at PhoneArena.

androidworld.nl

31/10/2025

Summary of the review

Xiaomi 15T review: falling just short

The AndroidWorld review defines the Xiaomi 15T as a capable "high-end mid-ranger" that struggles to stand out, offering only minimal upgrades over the previous model, such as a 6.83-inch AMOLED display, a 5,500 mAh battery, and a MediaTek Dimensity 8400 Ultra chipset. While delivering a solid, fast-charging experience with IP68 durability, the device lacks a defining feature, making it a "just not quite it" option for users seeking significant innovation. Pros highlight an exceptionally bright 3,200-nit screen, reliable all-day battery life, and a respectable 50MP Leica-tuned main camera. However, cons include stagnant, incremental hardware updates, a plastic frame, the absence of wireless charging, and heavy pre-installed software bloat.

nl.techreviewer.de

06/11/2025

Summary of the review

Xiaomi 15T Review – Such incredible technology inside!

The Xiaomi 15T features an IP68-rated, 7.5mm slim design with a fingerprint-resistant fiberglass back, though it utilizes a plastic frame rather than aluminum. Key advantages include a 6.83-inch AMOLED display with 3,200 nits peak brightness and a MediaTek Dimensity 8400 Ultra processor featuring effective IceLoop cooling. However, drawbacks include an occasionally inconsistent optical fingerprint sensor and a software-based proximity sensor. The 50MP Leica-tuned main camera delivers sharp, natural, and stable images, but the absence of optical image stabilization (OIS) on the telephoto lens results in noise during low-light or high-zoom shooting. The 5,500 mAh battery provides up to two days of usage, yet the device lacks wireless charging and does not include a power adapter in the box.

androidplanet.nl

04/11/2025

Summary of the review

Xiaomi 15T review: beautiful design masks concessions

The Xiaomi 15T is characterized as a "premium" entry-level smartphone featuring an excellent, highly bright 6.83-inch AMOLED display and solid daily performance driven by the MediaTek Dimensity 8400-Ultra chipset and a 5,500mAh battery. Despite the premium look, the device utilizes a plastic frame, lacks wireless charging, and features a 2x telephoto lens that offers minimal value over the main sensor. Software-wise, the experience is hindered by pre-installed bloatware, though the phone remains a strong price-performance contender following rapid post-launch price drops.

tweakers.net

02/12/2025

Summary of the review

Xiaomi 15T & 15T Pro - Solid sub-flagship with improved software

According to the Tweakers review, the Xiaomi 15T and 15T Pro are solid "sub-toppers" bridging the gap between mid-range and flagship, with the Pro offering a superior MediaTek Dimensity 9400+ chipset compared to the 15T's Dimensity 8400 Ultra. Both phones feature a bright 6.83-inch AMOLED display and 5,500 mAh batteries with fast charging, though only the Pro model features a durable aluminum frame, superior 5x periscope lens, and 50W wireless charging. While the main cameras perform well, the ultrawide lenses are considered weak, and despite improved HyperOS 3 software, significant bloatware, the lack of an LTPO panel, and an older USB 2.0 port are noted as cons.

Video reviews

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