Home > Smartphone comparison > Xiaomi 15T vs Xiaomi 12T – which one to choose?

Xiaomi 15T vs Xiaomi 12T

78 out of 100
Xiaomi 15T
VS
60 out of 100
Xiaomi 12T
Xiaomi 15T
Xiaomi 12T

Here we compared two flagship smartphones: the 6.83-inch Xiaomi 15T (with MediaTek Dimensity 8400 Ultra) that was released on September 24, 2025, against the Xiaomi 12T, which is powered by MediaTek Dimensity 8100 Ultra and came out 3 years and 1 month before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory
  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery life
  6. Camera
  7. Comments

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi 15T
  • 72% better performance in AnTuTu Benchmark (1915K versus 1111K)
  • The rear camera has a 2x optical zoom
  • Shows 21% longer battery life (26:15 vs 21:37 hours)
  • Delivers 60% higher peak brightness (1537 against 958 nits)
  • Has 50% more RAM: 12GB versus 8GB
  • Newer Bluetooth version (v6.0)
  • Waterproof body (IP68 classification)
  • The phone is 3 years and 1 month newer
  • More recent OS version: Android 16 versus 15
  • The front-facing camera can record video at 4K
  • Ready for eSIM technology
Reasons to consider the Xiaomi 12T
  • Supports higher wattage charging (120W versus 67W)
  • Slow-motion recording at 960FPS

Review

Evaluation of Xiaomi 15T and Xiaomi 12T crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
Select your primary usage scenario to get a more accurate NanoReview Score
📱 Primary usage:

Value for money (Beta)

Should I update?
No 91% Yes
Yes, this is a clear and meaningful upgrade.
Updating from Xiaomi 12T to Xiaomi 15T is a clear step forward, and the improvements should be easy to notice.
Main improvements: gaming, camera, and performance.

Tests and specifications

Comparison table of technical specifications and tests
Phone:
Xiaomi 15T
vs
Xiaomi 12T

Display

Type AMOLED AMOLED
Size 6.83 inches 6.67 inches
Resolution 1280 x 2772 pixels 1220 x 2712 pixels
Aspect ratio 19.5:9 20:9
PPI 447 ppi 446 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (30-120 Hz) Yes (60-120 Hz)
Max rated brightness 1100 nits 500 nits
Max rated brightness in HDR 3200 nits 900 nits
HDR support Yes, Dolby Vision Yes, HDR10+
Touch sampling rate 480 Hz 480 Hz
Screen protection Corning Gorilla Glass 7i Corning Gorilla Glass 5
Screen-to-body ratio 89.9% 86.7%
Display features - DCI-P3
- Always-On Display
- DC Dimming		 - DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space 99.7% 99.8%
PWM 120 Hz 120 Hz
Response time 1 ms 1 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
Xiaomi 15T +60%
1537 nits
Xiaomi 12T
958 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 163.2 mm (6.43 inches) 163.1 mm (6.42 inches)
Width 78 mm (3.07 inches) 75.9 mm (2.99 inches)
Thickness 7.5 mm (0.3 inches) 8.6 mm (0.34 inches)
Weight 194 g (6.84 oz) 202 g (7.13 oz)
Waterproof IP68 IP53
Advanced cooling Vapor chamber -
Rear material Plastic Glass
Frame material Plastic Plastic
Colors Black, Gray, Rose gold Black, Silver, Blue
Fingerprint scanner Yes, in-display Yes, in-display
Repairability Average (2.63/5) -
Drop resistance Excellent (A) · 270 drops -
Screen-to-body ratio
Xiaomi 15T +4%
89.9%
Xiaomi 12T
86.7%

Performance

Chipset specifications of Xiaomi 15T and Xiaomi 12T
SoC
Chipset MediaTek Dimensity 8400 Ultra MediaTek Dimensity 8100 Ultra
Max clock 3250 MHz 2850 MHz
CPU cores 8 (1 + 3 + 4) 8 (4 + 4)
Architecture - 4 cores at 2.1 GHz: Cortex-A725
- 3 cores at 3 GHz: Cortex-A725
- 1 core at 3.25 GHz: Cortex-A725		 - 4 cores at 2 GHz: Cortex-A55
- 4 cores at 2.85 GHz: Cortex-A78
L3 cache 6 MB 4 MB
Manufacturing TSMC TSMC
Lithography process 4 nanometers 5 nanometers
Neural processor (NPU) MediaTek NPU 880 MediaTek APU 580
GPU
Graphics Mali-G720 MP7 Mali-G610 MC6
GPU shading units 896 384
GPU clock 1300 MHz 860 MHz
FLOPS ~2329.6 GFLOPS ~660.5 GFLOPS

Benchmarks

Benchmark comparison of Xiaomi 15T and Xiaomi 12T
Geekbench 6 (Single-Core)
Xiaomi 15T +29%
1632
Xiaomi 12T
1266
Geekbench 6 (Multi-Core)
Xiaomi 15T +61%
6505
Xiaomi 12T
4052
Compute Score (GPU)
Xiaomi 15T +156%
11228
Xiaomi 12T
4380
Compute Score (GPU) 11228 4380
Single-core score 1632 1266
Multi-core score 6505 4052
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
Xiaomi 15T +72%
1915524
Xiaomi 12T
1111150
CPU 601024 410599
GPU 581727 171066
Memory 320685 225193
UX 412008 304292
Total score 1915524 1111150
Samples [16 tests] [13 tests]
3DMark Steel Nomad Light
Xiaomi 15T +125%
1281
Xiaomi 12T
569
Stability 88% 98%
Graphics test 9 FPS 4 FPS
Graphics score 1281 569
3DMark Solar Bay
Graphics test 22 FPS -
Section 1 24 FPS -
Section 2 23 FPS -
Section 3 20 FPS -
Graphics score 5899 -
3DMark Wild Life Extreme
Stability - 98%
Graphics test - 9 FPS
Graphics score - 1567
Sources: 3DMark [5], [6]
PCMark 3.0
Xiaomi 15T +22%
14441
Xiaomi 12T
11868
Web score 15808 10817
Video editing 6673 6857
Photo editing 23714 19993
Data manipulation 13815 10380
Writing score 18234 15465
Submit your benchmark results

Recent User Tests

The latest benchmark tests that have been submitted by users
Xiaomi 15T
DateBenchmarkResult
📘 2026-03-31 (chebypeli100500)AnTuTu 111926611
📘 2026-03-15 (Bers2409)AnTuTu 112029273
📘 2026-01-24 (8arusadar)AnTuTu 111940768
📘 2025-12-09 (Darwish)AnTuTu 111881055
📘 2025-11-29 (Viktor)AnTuTu 111939706
Add View all (16)
Xiaomi 12T
DateBenchmarkResult
📘 2026-07-21 (CrysTalesia)AnTuTu 111125997
📘 2026-07-09 -> Tem4kAnTuTu 111120838
📘 2026-02-28 -> GogoglAnTuTu 111103123
📘 2026-02-26 (FAN KLYB PROVOKATOR)AnTuTu 111133244
📘 2025-12-22 (JC)AnTuTu 111089139
Add View all (16)

Memory

RAM
RAM size 12 GB 8 GB
Memory type LPDDR5X LPDDR5
Channels 4 4
Storage
Storage size 256 GB 128 GB
Storage type UFS 4.1 UFS 3.1
Memory card No No

Software

Operating system Android 15 (Can be upgraded to Android 16) Android 12 (Can be upgraded to Android 15)
ROM HyperOS 3.0 HyperOS 3
OS size 33 GB 25.5 GB
OS updates 5 years 3 years
Security updates 5 years 4 years

Battery

Capacity 5500 mAh 5000 mAh
Max charge power 67 W 120 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Bypass charging No -
Fast charging Yes (69% in 30 min) Yes (50% in 7 min)
Full charging time 0:51 hr 0:23 hr
Battery cycles 1600 cycles -
Battery life tests
Web browsing 11:09 hr 08:33 hr
Watching video 14:55 hr 12:21 hr
Gaming 06:40 hr 04:59 hr
Standby 125 hr 109 hr
General battery life
Xiaomi 15T +21%
26:15 hr
Xiaomi 12T
21:37 hr
Add your battery life

Main camera

Matrix 50 megapixels 108 megapixels
Image resolution 8192 x 6144 12032 x 9204
Zoom Optical, 2x Digital
Flash Dual LED Dual LED
Stabilization Optical Optical
8K video recording No No
4K video recording Up to 60FPS Up to 30FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 240 FPS (1080p) 960 FPS (720p)
Angle of widest lens 120° 120°
Lenses 1) Standard: 50 MP
2) Telephoto: 50 MP
3) Ultrawide: 12 MP
1) Standard: 108 MP
2) Ultrawide: 8 MP
3) Macro: 2 MP
Camera features - Bokeh mode
- Pro mode
- RAW support		 - Bokeh mode
- Pro mode
Standard lens
Image resolution 50 MP 108 MP
Aperture f/1.7 f/1.7
Focal length 23 mm 24 mm
Sensor Omnivision OV50 Light Hunter 800 Samsung ISOCELL HM6
Sensor size 1/1.55" (≈ 0.65 inch) 1/1.67" (≈ 0.6 inch)
Pixel size 1 micron 0.64 micron
Autofocus Phase autofocus Phase autofocus
Stabilization Optical Optical
Telephoto lens
Image resolution 50 MP -
Aperture f/1.9 -
Focal length 46 mm -
Sensor Samsung S5KJN5 -
Sensor size 1/2.76" (≈ 0.36 inch) -
Pixel size 0.64 micron -
Stabilization Digital -
Ultra-wide lens
Image resolution 12 MP 8 MP
Aperture f/2.2 f/2.2
Focal length 15 mm -
Sensor OmniVision OV13B Samsung S5K4H7
Sensor size 1/3.06" (≈ 0.33 inch) 1/4" (≈ 0.25 inch)
Pixel size 1.12 micron 1.12 micron
Stabilization Digital Digital
Macro lens
Image resolution - 2 MP
Aperture - f/2.4
Sensor - GalaxyCore GC02M1
Sensor size - 1/5" (≈ 0.2 inch)
Pixel size - 1.75 micron
Stabilization - Digital

DxOMark main camera tests

Photo quality
Video quality
Generic main camera score
Bokeh - 65
Preview - 63
Zoom - 67
Samples - Photo samples of Xiaomi 12T from DxOMark

Selfie camera

Megapixels 32 megapixels 20 megapixels
Image resolution 6560 x 4928 -
Aperture f/2.2 f/2.2
Focal length 21 mm 26 mm
Sensor Samsung KD1S5KKD1 Sony IMX596
Sensor size 1/3.44" (≈ 0.29 inch) 1/3.47" (≈ 0.29 inch)
Pixel size 0.64 micron -
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 FPS 1080p (Full HD) at 60 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 6.0 5.3
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG		 - Charging
- USB-Storage mode
- OTG
DisplayPort No -
GPS GPS, GLONASS, Beidou, Galileo, QZSS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
NFC* Yes Yes
Infrared port Yes Yes
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* Yes No
Hybrid slot No No
LTE Cat* - 18
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max loudness
Xiaomi 15T +5%
92.2 dB
Xiaomi 12T
87.4 dB

Other

Category Flagship Flagship
Announced September 2025 October 2022
Release date September 2025 October 2022
Launch price (MSRP) $650 $600
Successor - - Xiaomi 15T
SAR (head) - 0.99 W/kg
SAR (body) - 0.99 W/kg
Sensors - Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint		 - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Not included Yes, 120 W
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the Xiaomi 15T is definitely a better buy.

Cast your vote

So, which phone would you choose?
11 (68.8%)
5 (31.3%)
Total votes: 16

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