Home Phone comparison Xiaomi Redmi Note 9S and Xiaomi Redmi Note 15 5G - Which is better?

Xiaomi Redmi Note 9S vs Xiaomi Redmi Note 15 5G

49 out 100
Xiaomi Redmi Note 9S
VS
63 out 100
Xiaomi Redmi Note 15 5G
Xiaomi Redmi Note 9S
Xiaomi Redmi Note 15 5G

Compared 2 smartphones : Xiaomi Redmi Note 9S Manufactured in April, 2020, with display 6.67 with chipsetQualcomm Snapdragon 720G, vs Xiaomi Redmi Note 15 5G, Manufactured in August, 2025 with chipsetQualcomm Snapdragon 6 Gen 3. 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 Note 9S
  • Higher pixel density: 395ppi
Reasons to choose Xiaomi Redmi Note 15 5G
  • Larger display: 6.77in
  • Higher refresh rate: 120Hz
  • Lighter design: 178g vs 210g
  • Higher battery capacity: 5800mAh vs 5020mAh
  • Newer Bluetooth version: 5.1 vs 5
  • Includes charger

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB		 - 6/128 GB
- 8/128 GB
- 8/256 GB
- 12/256 GB

Review

Key Specs Xiaomi Redmi Note 9S and Xiaomi Redmi Note 15 5G
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 Note 9S
vs
Redmi Note 15 5G

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.67 in 6.77 in
Resolution 1080x2400 pixels 1080x2340 pixels
Aspect ratio 20:9 n/a
Pixel density 395 ppi 388 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 628 nits n/a
HDR support Yes HDR10 No
Screen-to-body ratio 84 % 89.1 %
Features n/a DCI-P3
Display test
Peak brightness (auto)
Xiaomi Redmi Note 9S
571 nits
Xiaomi Redmi Note 15 5G
n/a
sRGB gamut114.9 %n/a
Response time34 msn/a
Contrast1111:1n/a
Sources: NotebookCheck [Xiaomi Redmi Note 9S]

Design & Build

Design and ergonomics comparison
Height 166 mm (6.54 in) 165 mm (6.5 in)
Width 77 mm (3.03 in) 75.4 mm (2.97 in)
Thickness 8.8 mm (0.35 in) 7.4 mm (0.29 in)
Weight 210 g (7.41 oz) 178 g (6.28 oz)
Water resistance No IP68
Back panel Glass n/a
Frame Plastic Plastic
Colors - White
- Black
- Blue		 - White
- Black
- Blue
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi Note 9S
84 %
Xiaomi Redmi Note 15 5G
89.1 %

Performance

Testing Xiaomi Redmi Note 9S and Xiaomi Redmi Note 15 5G In benchmarks
Processor
Chipset Qualcomm Snapdragon 720G Qualcomm Snapdragon 6 Gen 3
Max Frequency 2300 MHz 2400 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/1.8 (Kryo 465 Silver (Cortex-A55))
- 2/2.3 (Kryo 465 Gold (Cortex-A76))		 - 4/1.8 (Cortex-A55)
- 4/2.4 (Cortex-A78)
Process Samsung Samsung
Transistor Size 8 nm 4 nm
Neural Processor Hexagon 692 Hexagon
Graphics Adreno 618 Adreno 710
GPU Cores 256 256
GPU Frequency 750 MHz 1010 MHz
FLOPS 384 GFLOPS 517.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi Note 9S
722
Xiaomi Redmi Note 15 5G
1015
Geekbench 6 (Multi-Core)
Xiaomi Redmi Note 9S
1880
Xiaomi Redmi Note 15 5G
2890
Geekbench 6 (Single-Core)7221015
Geekbench 6 (Multi-Core)18802890
AnTuTu 10
AnTuTu 10
Xiaomi Redmi Note 9S
387217
Xiaomi Redmi Note 15 5G
608985
CPU130988200717
GPU90091141388
Memory72615118625
UX93523148255
NanoReview Score387217608985
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi Note 9S
1041
Xiaomi Redmi Note 15 5G
n/a
Max Surface Temp.42.4 °Cn/a
Stability98 %n/a
Graphics Test6 fpsn/a
Graphics Score1041n/a
Sources: 3DMark [Xiaomi Redmi Note 9S]
PCMark 3.0
PCMark 3.0
Xiaomi Redmi Note 9S
8091
Xiaomi Redmi Note 15 5G
n/a
Writing score9663n/a
Web score5943n/a
Video editing5437n/a
Data manipulation6802n/a
NanoReview Score8091n/a

Memory

RAM
RAM Size - 4 GB
- 6 GB		 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		128 GB
Storage TypeUFS 2.1UFS 2.2
Memory CardMicroSDNo

Software

OS Android 10.0 (Upgradeable to Android 12) Android 15
OS Size 18 GB n/a
UI Skin MIUI 14 HyperOS 2.0

Battery

Volume 5020 mAh 5800 mAh
Max Charging Power 18 W 45 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (50% in 50 min) Yes
Full Charge Time 2:30 h n/a
Battery Life Test
Battery Life
Xiaomi Redmi Note 9S
26:58
Xiaomi Redmi Note 15 5G
n/a
Web Browsing10:56 hn/a
Video Playback15:15 hn/a
Games05:45 hn/a
Standby Mode136 hn/a

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels n/a
Zoom Digital Digital
Flash 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 119 ° n/a
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 2 MP		 Standard: 50 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix48 MP50 MP
Aperturef/1.8f/1.8
Focal length26 mmn/a
SensorSamsung S5KGM2n/a
Sensor size1/21/2
Pixel size0.8 μm0.64 μm
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 16 MP 8 MP
Photo resolution 4920x3264 pixels n/a
Aperture f/2.5 f/2.0
Sensor Omnivision OV16A1Q n/a
Sensor size 1/3.06 n/a
Pixel size 1 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 60 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 5.1
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
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* No Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850 / 900 / 1800 / 2100 / 2600 / 2300 / 2500n/a
3G BandsHSDPA 850 / 900 / 1900 / 2100n/a
LTE Bands*LTE (B850/B900/B1800/B2100/B2300/B2500/B2600)n/a
LTE category12n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos No n/a
Speaker Test
Max Volume
Xiaomi Redmi Note 9S
81 dB
Xiaomi Redmi Note 15 5G
n/a

Other

Class Mid-range Mid-range
Announced March, 2020 yr August, 2025 yr
Release Date April, 2020 yr August, 2025 yr
Launch Price ($) 200 n/a
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 45 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Redmi Note 15 5G the clear winner in this comparison.

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