Xiaomi 15T
The Xiaomi 15T is a capable upper-mid-range device, powered by the Mediatek Dimensity 8400 Ultra (4 nm) that comfortably covers most everyday use cases, backed by a large 5,500 mAh battery for multi-day use (2025).
2025 · Upper-mid-range · Android 15ⓘ Note: Scores are automatically calculated using available specifications and may not always perfectly reflect real-world performance or user experience.
✓︎ Pros
✓Long 5,500 mAh battery, easily lasts a full day
✓Fast, responsive Mediatek Dimensity 8400 Ultra (4 nm) for everyday tasks and gaming
✓12GB of RAM — plenty for heavy multitasking and keeping many apps open
✓Sharp 447 PPI screen
✓6.83" OLED/AMOLED display with deep blacks and vibrant colours
⊗ Cons
✗No headphone jack — requires wireless or USB-C audio
⚙️ Performance
Chipset
Mediatek Dimensity 8400 Ultra (4 nm)
Upper-mid performance — fast and capable
CPU
Octa-core (1x3.25 GHz Cortex-A725 & 3x3.0 GHz Cortex-A725 & 4x2.1 GHz Cortex-A725)
OS
Android 15, upgradable to Android 16, HyperOS 3
RAM
12GB
Heavy multitasking without slowdowns
💻 Display
Sharpness
447 ppi
Sharp and comfortable to read
Panel
AMOLED, 68B colors, 120Hz, 3840Hz PWM, Dolby Vision, HDR10+, 3200 nits (peak)
OLED: perfect blacks, vivid colours, power-efficient
📷 Camera
Main Camera
50 MP
Good detail in daylight conditions
Main Video
4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, 10-bit Rec. 2020, HDR10+
Selfie Video
4K@30fps, 1080p@30/60fps, HDR10+
🔋 Battery & Design
Battery
5,500 mAh
Excellent endurance — easily lasts a full day
Weight
194g
Balanced size and weight
Dimensions
163.2 x 78 x 7.5 mm (6.43 x 3.07 x 0.30 in)
SIM
· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) · Nano-SIM + Nano-SIM
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
