Home Phone comparison Xiaomi Mi 9T and Xiaomi Redmi 15 4G - Which is better?

Xiaomi Mi 9T vs Xiaomi Redmi 15 4G

47 out 100
Xiaomi Mi 9T
VS
60 out 100
Xiaomi Redmi 15 4G
Xiaomi Mi 9T
Xiaomi Redmi 15 4G

Compared 2 smartphones : Xiaomi Mi 9T Manufactured in June, 2019, with display 6.39 with chipsetQualcomm Snapdragon 730, vs Xiaomi Redmi 15 4G, Manufactured in August, 2025 with chipsetQualcomm Snapdragon 685. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Xiaomi Mi 9T
  • Higher pixel density: 403ppi
  • Lighter design: 191g vs 224g
Reasons to choose Xiaomi Redmi 15 4G
  • Larger display: 6.9in
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7000mAh vs 4000mAh
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 6/64 GB
- 6/128 GB
- 8/256 GB		 - 6/128 GB
- 8/256 GB

Review

Key Specs Xiaomi Mi 9T and Xiaomi Redmi 15 4G
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Xiaomi Mi 9T
vs
Xiaomi Redmi 15 4G

Display

Display quality comparison
Type AMOLED IPS LCD
Size 6.39 in 6.9 in
Resolution 1080x2340 pixels 1080x2340 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 403 ppi 374 ppi
Refresh rate 60 Hz 144 Hz
Adaptive refresh rate No Yes
Max brightness 430 nits n/a
HDR support Yes HDR10 No
Screen-to-body ratio 86.1 % 83.1 %
Features Always-On Display n/a
Display test
Peak brightness (auto)
Xiaomi Mi 9T
646 nits
Xiaomi Redmi 15 4G
n/a
sRGB gamut95.1 %n/a
PWM (Flicker)245 Hzn/a
Response time3.6 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi Mi 9T]

Design & Build

Design and ergonomics comparison
Height 156.7 mm (6.17 in) 171.1 mm (6.74 in)
Width 74.3 mm (2.93 in) 82.1 mm (3.23 in)
Thickness 8.8 mm (0.35 in) 8.6 mm (0.34 in)
Weight 191 g (6.74 oz) 224 g (7.9 oz)
Water resistance No IP64
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Blue
- Red		 - Black
- Gray
- Purple
Fingerprint sensor Yes In-Display Yes, In-Button
Screen-to-body ratio
Xiaomi Mi 9T
86.1 %
Xiaomi Redmi 15 4G
83.1 %

Performance

Testing Xiaomi Mi 9T and Xiaomi Redmi 15 4G In benchmarks
Processor
Chipset Qualcomm Snapdragon 730 Qualcomm Snapdragon 685
Max Frequency 2200 MHz 2800 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/1.8 (Kryo 470 Silver (Cortex-A55))
- 2/2.2 (Kryo 470 Gold (Cortex-A76))		 - 4/1.9 (Cortex-A53)
- 4/2.8 (Cortex-A73)
Process Samsung TSMC
Transistor Size 8 nm 6 nm
Neural Processor Qualcomm Hexagon 688 Hexagon 686
Graphics Adreno 618 Adreno 610
GPU Cores 256 128
GPU Frequency 700 MHz 1260 MHz
FLOPS 358.4 GFLOPS 322.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Mi 9T
670
Xiaomi Redmi 15 4G
475
Geekbench 6 (Multi-Core)
Xiaomi Mi 9T
1797
Xiaomi Redmi 15 4G
1514
Geekbench 6 (Single-Core)670475
Geekbench 6 (Multi-Core)17971514
AnTuTu 10
AnTuTu 10
Xiaomi Mi 9T
363688
Xiaomi Redmi 15 4G
380990
CPU130482114885
GPU6456457988
Memory71242103236
UX97400104881
NanoReview Score363688380990
3DMark Wild Life
3DMark Wild Life
Xiaomi Mi 9T
875
Xiaomi Redmi 15 4G
n/a
Max Surface Temp.38.6 °Cn/a
Stability99 %n/a
Graphics Test5 fpsn/a
Graphics Score875n/a
Sources: 3DMark [Xiaomi Mi 9T]
PCMark 3.0
PCMark 3.0
Xiaomi Mi 9T
8064
Xiaomi Redmi 15 4G
n/a
Writing score9099n/a
Web score6144n/a
Video editing5542n/a
Data manipulation7012n/a
NanoReview Score8064n/a

Memory

RAM
RAM Size 6 GB 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		128 GB
Storage TypeUFS 2.1UFS 2.2
Memory CardNoMicroSD

Software

OS Android 9.0 (Upgradeable to Android 11) Android 15
OS Size 11.3 GB n/a
UI Skin MIUI 12.5 HyperOS 2.0

Battery

Volume 4000 mAh 7000 mAh
Max Charging Power 18 W 33 W
Battery Type Li-Po n/a
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (45% in 30 min) Yes
Full Charge Time 1:25 h n/a
Battery Life Test
Battery Life
Xiaomi Mi 9T
21:41
Xiaomi Redmi 15 4G
n/a
Web Browsing08:09 hn/a
Video Playback12:36 hn/a
Games04:15 hn/a
Standby Mode114 hn/a

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels n/a
Zoom Optical, 2x Digital
Flash Dual LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 960 fps (720p) n/a
Wide-angle lens 124 ° n/a
Lenses count Standard: 48 MP
Telephoto: 8 MP
Ultra-wide: 13 MP		 Standard: 50 MP
Depth
Features - Bokeh effect
- Pro mode
- RAW support		 Bokeh effect
Main lens
Matrix48 MP50 MP
Aperturef/1.8f/1.8
Focal length26 mmn/a
SensorSony IMX582n/a
Sensor size1/2n/a
Pixel size0.8 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Telephoto
Matrix8 MPn/a
Aperturef/2.4n/a
Focal length53 mmn/a
SensorOmnivision OV8865n/a
Sensor size1/4n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a
Ultra-wide lens
Matrix13 MPn/a
Aperturef/2.4n/a
Focal length12 mmn/a
SensorSamsung S5K3L6n/a
Sensor size1/3.1n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 20 MP 8 MP
Photo resolution 5184x3880 pixels n/a
Aperture f/2.2 f/2.0
Focal length 18 mm n/a
Sensor Samsung S5K3T2 n/a
Sensor size 1/3.4 n/a
Pixel size 0.8 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5
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
GPS - GPS
- GLONASS
- Beidou		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850, GSM 900, GSM 1800, GSM 1900n/a
3G BandsHSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100n/a
LTE Bands*LTE (B800/B850/B900/B1800/B2100/B2300/B2500/B2600)n/a
LTE category15n/a
5G SupportNoNo

Sound

Speakers Mono n/a
3.5 mm Jack Yes Yes
FM Radio Yes No
Dolby Atmos No n/a
Speaker Test
Max Volume
Xiaomi Mi 9T
89 dB
Xiaomi Redmi 15 4G
n/a

Other

Class Mid-range Budget
Announced May, 2019 yr August, 2025 yr
Release Date June, 2019 yr August, 2025 yr
Launch Price ($) 290 n/a
MSRP ($) n/a 150
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 33 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Redmi 15 4G the clear winner in this comparison.

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