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

Xiaomi Redmi 9 vs Xiaomi Redmi 15 4G

42 out 100
Xiaomi Redmi 9
VS
60 out 100
Xiaomi Redmi 15 4G
Xiaomi Redmi 9
Xiaomi Redmi 15 4G

Compared 2 smartphones : Xiaomi Redmi 9 Manufactured in July, 2020, with display 6.53 with chipsetMediaTek Helio G80, vs Xiaomi Redmi 15 4G, Manufactured in August, 2025with 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 Redmi 9
  • Higher pixel density: 395ppi
  • Lighter design: 198g vs 224g
Reasons to choose Xiaomi Redmi 15 4G
  • Larger display: 6.9in
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7000mAh vs 5020mAh

Versions

Available versions and configurations
Memory Options - 3/32 GB
- 4/64 GB
- 4/128 GB
- 6/128 GB		 - 6/128 GB
- 8/256 GB

Review

Key Specs Xiaomi Redmi 9 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 Redmi 9
vs
Xiaomi Redmi 15 4G

Display

Display quality comparison
Type IPS LCD IPS LCD
Size 6.53 in 6.9 in
Resolution 1080x2340 pixels 1080x2340 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 395 ppi 374 ppi
Refresh rate 60 Hz 144 Hz
Adaptive refresh rate No Yes
Max brightness 400 nits n/a
HDR support No No
Screen-to-body ratio 83.2 % 83.1 %
Display test
Peak brightness (auto)
Xiaomi Redmi 9
423 nits
Xiaomi Redmi 15 4G
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) 171.1 mm (6.74 in)
Width 77 mm (3.03 in) 82.1 mm (3.23 in)
Thickness 9.1 mm (0.36 in) 8.6 mm (0.34 in)
Weight 198 g (6.98 oz) 224 g (7.9 oz)
Water resistance No IP64
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Gray
- Green
- Purple		 - Black
- Gray
- Purple
Fingerprint sensor Yes rear Yes, In-Button
Screen-to-body ratio
Xiaomi Redmi 9
83.2 %
Xiaomi Redmi 15 4G
83.1 %

Performance

Testing Xiaomi Redmi 9 and Xiaomi Redmi 15 4G In benchmarks
Processor
Chipset MediaTek Helio G80 Qualcomm Snapdragon 685
Max Frequency 2000 MHz 2800 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)		 - 4/1.9 (Cortex-A53)
- 4/2.8 (Cortex-A73)
Process TSMC TSMC
Transistor Size 12 nm 6 nm
Neural Processor Yes Hexagon 686
Graphics Mali-G52 MP2 Adreno 610
GPU Cores 48 128
GPU Frequency 950 MHz 1260 MHz
FLOPS 91.2 GFLOPS 322.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi 9
514
Xiaomi Redmi 15 4G
475
Geekbench 6 (Multi-Core)
Xiaomi Redmi 9
1559
Xiaomi Redmi 15 4G
1514
Geekbench 6 (Single-Core)514475
Geekbench 6 (Multi-Core)15591514
AnTuTu 10
AnTuTu 10
Xiaomi Redmi 9
263655
Xiaomi Redmi 15 4G
380990
CPU93634114885
GPU3888357988
Memory62983103236
UX68155104881
NanoReview Score263655380990
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi 9
664
Xiaomi Redmi 15 4G
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 Redmi 15 4G
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		 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 32 GB
- 64 GB
- 128 GB		128 GB
Storage TypeeMMC 5.1UFS 2.2
Memory CardMicroSDMicroSD

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 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 (50% in 80 min) Yes
Full Charge Time 3:05 h n/a
Battery Life Test
Battery Life
Xiaomi Redmi 9
22:51
Xiaomi Redmi 15 4G
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 n/a
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion 120 fps (720p) n/a
Wide-angle lens 118 ° n/a
Lenses count Standard: 13 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 2 MP		 Standard: 50 MP
Depth
Features - Bokeh effect
- Pro mode		 Bokeh effect
Main lens
Matrix13 MP50 MP
Aperturef/2.2f/1.8
Focal length28 mmn/a
SensorOmnivision OV13B10n/a
Sensor size1/3.1n/a
Pixel size1.12 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
Focal length13 mmn/a
SensorOmniVision OV8856n/a
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 8 MP 8 MP
Photo resolution 3264x2448 pixels n/a
Aperture f/2.0 f/2.0
Focal length 27 mm n/a
Sensor CMOS n/a
Sensor size 1/4.0 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 - 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, 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
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM B2/3/5/8n/a
3G BandsHSDPA B1/2/4/5/8n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28)n/a
LTE category7n/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 Redmi 9
83.7 dB
Xiaomi Redmi 15 4G
n/a

Other

Class Budget Budget
Announced June, 2020 yr August, 2025 yr
Release Date July, 2020 yr August, 2025 yr
Launch Price ($) 130 n/a
MSRP ($) n/a 150
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 10 W 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.

Survey

Which smartphone would you pick?
1 (33.33%)
2 (66.67%)
Total Votes: 3

User comments

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