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

Xiaomi Redmi 9 vs Xiaomi 15T

42 out 100
Xiaomi Redmi 9
VS
82 out 100
Xiaomi 15T
Xiaomi Redmi 9
Xiaomi 15T

Compared 2 smartphones : Xiaomi Redmi 9 Manufactured in July, 2020, with display 6.53 with chipsetMediaTek Helio G80, vs Xiaomi 15T, Manufactured in September, 2025with chipsetMediaTek Dimensity 8400 Ultra. 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 Redmi 9
  • Includes charger
Reasons to choose Xiaomi 15T
  • Larger display: 6.83in
  • Higher pixel density: 447ppi
  • Higher refresh rate: 120Hz
  • Lighter design: 194g vs 198g
  • Higher battery capacity: 5500mAh vs 5020mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Supports Dolby Atmos
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 3/32 GB
- 4/64 GB
- 4/128 GB
- 6/128 GB		 - 12/256 GB
- 12/512 GB

Review

Key Specs Xiaomi Redmi 9 and Xiaomi 15T
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 Redmi 9
vs
Xiaomi 15T

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.53 in 6.83 in
Resolution 1080x2340 pixels 1280x2772 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 395 ppi 447 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes
Max brightness 400 nits n/a
HDR support No Yes, Dolby Vision
Touch Sampling Rate n/a 480 Hz
Screen-to-body ratio 83.2 % 89.9 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Redmi 9
423 nits
Xiaomi 15T
n/a
sRGB gamut93 %n/a
PWM (Flicker)500 Hzn/a
Response time35 msn/a
Contrast710:1n/a
Sources: NotebookCheck [Xiaomi Redmi 9]

Design & Build

Design and ergonomics comparison
Height 163.3 mm (6.43 in) 163.2 mm (6.43 in)
Width 77 mm (3.03 in) 78 mm (3.07 in)
Thickness 9.1 mm (0.36 in) 7.5 mm (0.3 in)
Weight 198 g (6.98 oz) 194 g (6.84 oz)
Water resistance No IP68
Cooling system n/a Vapor chamber
Back panel Plastic n/a
Frame Plastic Plastic
Colors - Gray
- Green
- Purple		 - Black
- Gray
- Rose Gold
Fingerprint sensor Yes rear Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi 9
83.2 %
Xiaomi 15T
89.9 %

Performance

Testing Xiaomi Redmi 9 and Xiaomi 15T In benchmarks
Processor
Chipset MediaTek Helio G80 MediaTek Dimensity 8400 Ultra
Max Frequency 2000 MHz 3250 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)		 - 4/2.1 (Cortex-A725)
- 3/3 (Cortex-A725)
- 1/3.25 (Cortex-A725)
Process TSMC TSMC
Transistor Size 12 nm 4 nm
Neural Processor Yes MediaTek NPU 880
Graphics Mali-G52 MP2 Mali-G720 MP7
GPU Cores 48 896
GPU Frequency 950 MHz 1300 MHz
FLOPS 91.2 GFLOPS 2329.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi 9
514
Xiaomi 15T
1603
Geekbench 6 (Multi-Core)
Xiaomi Redmi 9
1559
Xiaomi 15T
6413
Geekbench 6 (Single-Core)5141603
Geekbench 6 (Multi-Core)15596413
Geekbench Compute (GPU)n/a11228
Sources: Geekbench v6 [Xiaomi 15T]
AnTuTu 10
AnTuTu 10
Xiaomi Redmi 9
263655
Xiaomi 15T
1872827
CPU93634448609
GPU38883683486
Memory62983396486
UX68155344246
NanoReview Score2636551872827
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi 9
664
Xiaomi 15T
n/a
Max Surface Temp.47 °Cn/a
Stability98 %n/a
Graphics Test3 fpsn/a
Graphics Score664n/a
Sources: 3DMark [Xiaomi Redmi 9]
PCMark 3.0
PCMark 3.0
Xiaomi Redmi 9
8330
Xiaomi 15T
n/a
Writing score9134n/a
Web score7371n/a
Video editing5562n/a
Data manipulation6064n/a
NanoReview Score8330n/a

Memory

RAM
RAM Size - 3 GB
- 4 GB
- 6 GB		 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1866 MHz n/a
Channels 2 4
Storage
Storage Capacity- 32 GB
- 64 GB
- 128 GB		256 GB
Storage TypeeMMC 5.1UFS 4.1
Memory CardMicroSDNo

Software

OS Android 10 (Upgradeable to Android 12) Android 15
OS Size 13 GB n/a
UI Skin MIUI 13 HyperOS 2.0

Battery

Volume 5020 mAh 5500 mAh
Max Charging Power 18 W 67 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (50% in 80 min) Yes (50% in 22 min)
Full Charge Time 3:05 h 0:50 h
Battery Life Test
Battery Life
Xiaomi Redmi 9
22:51
Xiaomi 15T
n/a
Web Browsing08:45 hn/a
Video Playback13:56 hn/a
Games05:30 hn/a
Standby Mode113 hn/a

Main camera

Matrix 13 MP 50 MP
Photo resolution 4128x3096 pixels 8192x6144 pixels
Zoom Digital Optical, 2x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording No Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion 120 fps (720p) 240 fps (1080p)
Wide-angle lens 118 ° 120 °
Lenses count Standard: 13 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 2 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix13 MP50 MP
Aperturef/2.2f/1.7
Focal length28 mm23 mm
SensorOmnivision OV13B10Omnivision OV50 Light Hunter 800
Sensor size1/3.11/1.55
Pixel size1.12 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/1.9
Focal lengthn/a46 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
Stabilizationn/aDigital
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal length13 mm15 mm
SensorOmniVision OV8856n/a
Sensor size1/4.01/3.06
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 8 MP 32 MP
Photo resolution 3264x2448 pixels n/a
Aperture f/2.0 f/2.2
Focal length 27 mm 21 mm
Sensor CMOS CMOS
Sensor size 1/4.0 1/3.44
Pixel size n/a 0.64 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
Wi-Fi features - 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, HID, A2DP 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 n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM B2/3/5/8GSM 2/3/5/8
3G BandsHSDPA B1/2/4/5/8WCDMA B1/2/4/5/8/6/19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B66/B71)
LTE category7n/a
5G SupportNoYes

Sound

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

Other

Class Budget Mid-range
Announced June, 2020 yr September, 2025 yr
Release Date July, 2020 yr September, 2025 yr
Launch Price ($) 130 n/a
MSRP ($) n/a 650
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 10 W No
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi 15T the clear winner in this comparison.

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