Xiaomi Mi 9T vs Xiaomi 15T

45 out of 100
Xiaomi Mi 9T
VS
78 out of 100
Xiaomi 15T

Here we compared two smartphones: the 6.39-inch Xiaomi Mi 9T (with Qualcomm Snapdragon 730) that was released on May 28, 2019, against the Xiaomi 15T, which is powered by MediaTek Dimensity 8400 Ultra and came out 6 years and 5 months after. 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

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi Mi 9T
  • Slow-motion recording at 960FPS
  • Includes a 3.5 mm headphone audio jack port
Reasons to consider the Xiaomi 15T
  • Waterproof body (IP68 classification)
  • 3.8x better performance in AnTuTu Benchmark (1915K versus 502K)
  • Higher display refresh rate – 120 Hz
  • Delivers 138% higher peak brightness (1525 against 640 nits)
  • Comes with 1500 mAh larger battery capacity: 5500 vs 4000 mAh
  • Has 2x more RAM: 12GB versus 6GB
  • Shows 21% longer battery life (26:15 vs 21:41 hours)
  • Newer Bluetooth version (v6.0)
  • Supports higher wattage charging (67W versus 18W)
  • Optical image stabilization
  • Has a 0.44 inch larger screen size
  • More recent OS version: Android 16 versus 11
  • The phone is 6 years and 5 months newer

Review

Evaluation of Xiaomi Mi 9T and Xiaomi 15T crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
52*
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
45*
Select your primary usage scenario to get a more accurate NanoReview Score
πŸ“± Primary usage:

Value for money (Beta)

Should I update?
No 99% Yes
Yes, this is a clear and meaningful upgrade.
Updating from Xiaomi Mi 9T to Xiaomi 15T is a clear step forward, and the improvements should be easy to notice.
Main improvements: performance, gaming, and display.

Tests and specifications

Comparison table of technical specifications and tests
Phone:
vs

Display

Type AMOLED AMOLED
Size 6.39 inches 6.83 inches
Resolution 1080 x 2340 pixels 1280 x 2772 pixels
Aspect ratio 19.5:9 19.5:9
PPI 403 ppi 447 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (30-120 Hz)
Max rated brightness 430 nits 1100 nits
Max rated brightness in HDR - 3200 nits
HDR support Yes, HDR10 Yes, Dolby Vision
Touch sampling rate - 480 Hz
Screen protection Corning Gorilla Glass 5 Corning Gorilla Glass 7i
Screen-to-body ratio 86.1% 89.9%
Display features - Always-On Display - DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space 95.1% 99.7%
PWM 245 Hz 120 Hz
Response time 3.6 ms 1 ms
Contrast ∞ Infinity ∞ Infinity
Screen space comparison
Xiaomi 15T
6.83β€³ (19.5:9 ratio) = 17.7 in2
Mi 9T
6.39β€³ (19.5:9 ratio) = 15.5 in2
~14% more screen space
Peak brightness test (auto)
640 nits
Xiaomi 15T +138%
1525 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 156.7 mm (6.17 inches) 163.2 mm (6.43 inches)
Width 74.3 mm (2.93 inches) 78 mm (3.07 inches)
Thickness 8.8 mm (0.35 inches) 7.5 mm (0.3 inches)
Weight 191 g (6.74 oz) 194 g (6.84 oz)
Waterproof No IP68
Advanced cooling - Vapor chamber
Rear material Glass Plastic
Frame material Metal Plastic
Colors Black, Blue, Red Black, Gray, Rose gold
Fingerprint scanner Yes, in-display Yes, in-display
Repairability - Average (2.63/5)
Drop resistance - Excellent (A) Β· 270 drops
Screen-to-body ratio
86.1%
89.9%

Performance

Chipset specifications of Xiaomi Mi 9T and Xiaomi 15T
SoC
Chipset Qualcomm Snapdragon 730 MediaTek Dimensity 8400 Ultra
Max clock 2200 MHz 3250 MHz
CPU cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6 cores at 1.8 GHz: Kryo 470 Silver (Cortex-A55)
- 2 cores at 2.2 GHz: Kryo 470 Gold (Cortex-A76)
- 4 cores at 2.1 GHz: Cortex-A725
- 3 cores at 3 GHz: Cortex-A725
- 1 core at 3.25 GHz: Cortex-A725
L3 cache - 6 MB
Manufacturing Samsung TSMC
Lithography process 8 nanometers 4 nanometers
Neural processor (NPU) Qualcomm Hexagon 688 MediaTek NPU 880
GPU
Graphics Adreno 618 Mali-G720 MP7
GPU shading units 256 896
GPU clock 700 MHz 1300 MHz
FLOPS ~358.4 GFLOPS ~2329.6 GFLOPS

Benchmarks

Benchmark comparison of Xiaomi Mi 9T and Xiaomi 15T
Geekbench 6 (Single-Core)
716
Xiaomi 15T +128%
1632
Geekbench 6 (Multi-Core)
1777
Xiaomi 15T +266%
6505
Compute Score (GPU)
1031
Xiaomi 15T +989%
11228
Compute Score (GPU) 1031 11228
Single-core score 716 1632
Multi-core score 1777 6505
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
502844
Xiaomi 15T +281%
1915524
CPU 220418 601024
GPU 44373 581727
Memory 95755 320685
UX 142298 412008
Total score 502844 1915524
Samples [4 tests] [16 tests]
3DMark Steel Nomad Light
n/a
1281
Stability - 88%
Graphics test - 9 FPS
Graphics score - 1281
3DMark Solar Bay
n/a
5899
Graphics test - 22 FPS
Section 1 - 24 FPS
Section 2 - 23 FPS
Section 3 - 20 FPS
Graphics score - 5899
3DMark Wild Life Extreme
269
Stability 98% -
Graphics test 1 FPS -
Graphics score 269 -
Sources: 3DMark [5], [6]
PCMark 3.0
8234
Xiaomi 15T +75%
14441
Web score 6861 15808
Video editing 5546 6673
Photo editing 15521 23714
Data manipulation 7006 13815
Writing score 9110 18234

Recent User Tests

The latest benchmark tests that have been submitted by users
Xiaomi Mi 9T
DateBenchmarkResult
πŸ“˜ 2026-09-03 (Tuqiso)AnTuTu 11504784
πŸ“˜ 2026-06-19 (Fixis)Geekbench 6 GPU1022
πŸ“˜ 2026-06-19 (Fixis)Geekbench 6 CPU716 / 1777
πŸ“˜ 2026-06-19 (Fixis)AnTuTu 11502844
πŸ“˜ 2026-04-19 (Breno)AnTuTu 11512436
Xiaomi 15T
DateBenchmarkResult
πŸ“˜ 2026-03-31 (chebypeli100500)AnTuTu 111926611
πŸ“˜ 2026-03-15 (Bers2409)AnTuTu 112029273
πŸ“˜ 2026-01-24 (8arusadar)AnTuTu 111940768
πŸ“˜ 2025-12-09 (Darwish)AnTuTu 111881055
πŸ“˜ 2025-11-29 (Viktor)AnTuTu 111939706

Memory

RAM
RAM size 6 GB 12 GB
Memory type LPDDR4X LPDDR5X
Memory clock 1866 MHz -
Channels 2 4
Storage
Storage size 64 GB 256 GB
Storage type UFS 2.1 UFS 4.1
Memory card No No

Software

Operating system Android 9.0 (Can be upgraded to Android 11) Android 15 (Can be upgraded to Android 16)
ROM MIUI 12.5 HyperOS 3.0
OS size 11.3 GB 33 GB
OS updates - 5 years
Security updates - 5 years

Battery

Capacity 4000 mAh 5500 mAh
Max charge power 18 W 67 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Bypass charging - No
Fast charging Yes (45% in 30 min) Yes (69% in 30 min)
Full charging time 1:25 hr 0:51 hr
Battery cycles - 1600 cycles
Battery life tests
Web browsing 08:09 hr 11:09 hr
Watching video 12:36 hr 14:55 hr
Gaming 04:15 hr 06:40 hr
Standby 114 hr 125 hr
General battery life
21:41 hr
Xiaomi 15T +21%
26:15 hr

Main camera

Matrix 48 megapixels 50 megapixels
Image resolution 8000 x 6000 8192 x 6144
Zoom Optical, 2x Optical, 2x
Flash Dual LED Dual LED
Stabilization Digital Optical
8K video recording No No
4K video recording Up to 30FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 960 FPS (720p) 240 FPS (1080p)
Angle of widest lens 124Β° 120Β°
Lenses 1) Standard: 48 MP
2) Telephoto: 8 MP
3) Ultrawide: 13 MP
1) Standard: 50 MP
2) Telephoto: 50 MP
3) Ultrawide: 12 MP
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution 48 MP 50 MP
Aperture f/1.8 f/1.7
Focal length 26 mm 23 mm
Sensor Sony IMX582 Omnivision OV50 Light Hunter 800
Sensor size 1/2" (β‰ˆ 0.5 inch) 1/1.55" (β‰ˆ 0.65 inch)
Pixel size 0.8 micron 1 micron
Autofocus Phase autofocus Phase autofocus
Stabilization Digital Optical
Telephoto lens
Image resolution 8 MP 50 MP
Aperture f/2.4 f/1.9
Focal length 53 mm 46 mm
Sensor Omnivision OV8865 Samsung S5KJN5
Sensor size 1/4" (β‰ˆ 0.25 inch) 1/2.76" (β‰ˆ 0.36 inch)
Pixel size 1.12 micron 0.64 micron
Stabilization Digital Digital
Ultra-wide lens
Image resolution 13 MP 12 MP
Aperture f/2.4 f/2.2
Focal length 12 mm 15 mm
Sensor Samsung S5K3L6 OmniVision OV13B
Sensor size 1/3.1" (β‰ˆ 0.32 inch) 1/3.06" (β‰ˆ 0.33 inch)
Pixel size 1.12 micron 1.12 micron
Stabilization Digital Digital

Selfie camera

Megapixels 20 megapixels 32 megapixels
Image resolution 5184 x 3880 6560 x 4928
Aperture f/2.2 f/2.2
Focal length 18 mm 21 mm
Sensor Samsung S5K3T2 Samsung KD1S5KKD1
Sensor size 1/3.4" (β‰ˆ 0.29 inch) 1/3.44" (β‰ˆ 0.29 inch)
Pixel size 0.8 micron 0.64 micron
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 FPS 2160p (4K) at 30 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- 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 5 6.0
Bluetooth features LE, A2DP LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- USB-Host mode
- OTG
- Charging
- USB-Storage mode
- OTG
DisplayPort - No
GPS GPS, GLONASS, Beidou GPS, GLONASS, Beidou, Galileo, QZSS
NFC* Yes Yes
Infrared port No Yes
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No Yes
Hybrid slot No No
LTE Cat* 15 -
5G support No Yes

Sound

Speakers Mono Stereo
Headphone audio jack Yes No
FM radio Yes No
Dolby Atmos No Yes
Speakers test
Max loudness
89 dB
92.2 dB

Other

Category Mid-range Flagship
Announced May 2019 September 2025
Release date June 2019 September 2025
Launch price (MSRP) $290 $650
Successor - Xiaomi 15T -
SAR (head) 1.34 W/kg -
SAR (body) 1.51 W/kg -
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger - Not included
*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?
1 (33.3%)
2 (66.7%)
Total votes: 3

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