Samsung Galaxy S23 vs Xiaomi Redmi Note 9 Pro

Compared 2 smartphones : Samsung Galaxy S23 Manufactured in February, 2023, with display 6.1 with chipsetSnapdragon 8 Gen 2 Mobile Platform for Galaxy, vs Xiaomi Redmi Note 9 Pro, Manufactured in May, 2020with chipsetQualcomm Snapdragon 720G. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy S23
  • Higher pixel density: 425ppi
  • Higher refresh rate: 120Hz
  • Lighter design: 168g vs 209g
  • Newer Bluetooth version: 5.3 vs 5
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM
Reasons to choose Xiaomi Redmi Note 9 Pro
  • Larger display: 6.67in
  • Higher battery capacity: 5020mAh vs 3900mAh
  • Infrared port

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB
- 8/512 GB
- 4/64 GB
- 4/128 GB
- 6/128 GB

Review

Key Specs Samsung Galaxy S23 and Xiaomi Redmi Note 9 Pro
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

Display

Display quality comparison
Type Dynamic AMOLED IPS LCD
Size 6.1 in 6.67 in
Resolution 1080x2340 pixels 1080x2400 pixels
Aspect ratio 19.5:9 20:9
Pixel density 425 ppi 395 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes (24-120 Hz) No
Max brightness 800 nits 450 nits
HDR support Yes HDR10+ Yes HDR10
Screen-to-body ratio 88 % 84.4 %
Features - DCI-P3
- Always-On Display
n/a
Display test
Peak brightness (auto)
Samsung Galaxy S23
1197 nits
Xiaomi Redmi Note 9 Pro
615 nits
sRGB gamut98.9 %99.8 %
PWM (Flicker)240 Hz2404 Hz
Response time1 ms35.2 ms
Contrast∞ Infinite1649:1

Design & Build

Design and ergonomics comparison
Height 146.3 mm (5.76 in) 165.8 mm (6.53 in)
Width 70.9 mm (2.79 in) 76.7 mm (3.02 in)
Thickness 7.6 mm (0.3 in) 8.8 mm (0.35 in)
Weight 168 g (5.93 oz) 209 g (7.37 oz)
Water resistance IP68 No
Cooling system Vapor chamber n/a
Back panel Glass Glass
Frame Metal Plastic
Colors - White
- Black
- Gray
- Green
- Purple
- Yellow
- White
- Gray
- Green
Fingerprint sensor Yes In-Display Yes In-Button
Screen-to-body ratio
Samsung Galaxy S23
88 %
Xiaomi Redmi Note 9 Pro
84.4 %

Performance

Testing Samsung Galaxy S23 and Xiaomi Redmi Note 9 Pro In benchmarks
Processor
Chipset Snapdragon 8 Gen 2 Mobile Platform for Galaxy Qualcomm Snapdragon 720G
Max Frequency 3360 MHz 2300 MHz
CPU Cores 8 (1 + 2 + 2 + 3) 8 (2 + 6)
Architecture - 3/2 (Cortex-A510)
- 2/2.8 (Cortex-A710)
- 2/2.8 (Cortex-A715)
- 1/3.2 (Cortex-X3)
- 6/1.8 (Kryo 465 Silver (Cortex-A55))
- 2/2.3 (Kryo 465 Gold (Cortex-A76))
Process TSMC Samsung
Transistor Size 4 nm 8 nm
Neural Processor Hexagon Hexagon 692
Graphics Adreno 740 Adreno 618
GPU Cores 1536 256
GPU Frequency 719 MHz 750 MHz
FLOPS 2089 GFLOPS 384 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S23
1831
Xiaomi Redmi Note 9 Pro
719
Geekbench 6 (Multi-Core)
Samsung Galaxy S23
4914
Xiaomi Redmi Note 9 Pro
1874
Geekbench 6 (Single-Core)1831719
Geekbench 6 (Multi-Core)49141874
Geekbench Compute (GPU)9422n/a
AnTuTu 10
AnTuTu 10
Samsung Galaxy S23
1522811
Xiaomi Redmi Note 9 Pro
389839
CPU380535139577
GPU59889673153
Memory27327172832
UX270109104277
NanoReview Score1522811389839
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S23
12039
Xiaomi Redmi Note 9 Pro
1044
Max Surface Temp.34.3 °C42.3 °C
Stability60 %99 %
Graphics Test72 fps6 fps
Graphics Score120391044
PCMark 3.0
PCMark 3.0
Samsung Galaxy S23
15602
Xiaomi Redmi Note 9 Pro
8136
Writing score193309643
Web score142626022
Video editing78405453
Data manipulation126746923
NanoReview Score156028136

Memory

RAM
RAM Size 8 GB - 4 GB
- 6 GB
- 8 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency n/a 2133 MHz
Channels 4 2
Storage
Storage Capacity- 128 GB
- 256 GB
- 512 GB
- 64 GB
- 128 GB
Storage TypeUFS 4.0UFS 2.1
Memory CardNoMicroSD

Software

OS Android 13 (Upgradeable to Android 14) Android 10.0 (Upgradeable to Android 12)
OS Size 29.7 GB 18.9 GB
UI Skin One UI 6.1 MIUI 14

Battery

Volume 3900 mAh 5020 mAh
Max Charging Power 25 W 33 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging Yes (10 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (57% in 30 min) Yes (50% in 30 min)
Full Charge Time 1:16 h 1:20 h
Battery Life Test
Battery Life
Samsung Galaxy S23
22:02
Xiaomi Redmi Note 9 Pro
26:36
Web Browsing08:12 h10:27 h
Video Playback13:41 h13:57 h
Games05:20 h05:33 h
Standby Mode109 h143 h

Main camera

Matrix 50 MP 64 MP
Photo resolution 8160x6120 pixels 9248x6920 pixels
Zoom Optical, 3x Digital
Flash LED LED
Stabilization Optical Digital
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (1080p) 960 fps (720p)
Wide-angle lens 120 ° 119 °
Lenses count Standard: 50 MP
Telephoto: 10 MP
Ultra-wide: 12 MP
Standard: 64 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP64 MP
Aperturef/1.8f/1.9
Focal length23 mm26 mm
SensorSamsung S5KGN3Samsung Bright S5KGW1
Sensor size1/1.571/1.72
Pixel size1 μm0.8 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalDigital
Telephoto
Matrix10 MPn/a
Aperturef/2.4n/a
Focal length70 mmn/a
SensorSamsung S5K3K1n/a
Sensor size1/3.94n/a
Pixel size1 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix12 MP8 MP
Aperturef/2.2f/2.2
Focal length13 mm13 mm
SensorSony IMX564GalaxyCore GC8034
Sensor size1/2.551/4.0
Pixel size1.4 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S23
129
Xiaomi Redmi Note 9 Pro
n/a
Video quality
Samsung Galaxy S23
137
Xiaomi Redmi Note 9 Pro
n/a
Overall camera score
Samsung Galaxy S23
133
Xiaomi Redmi Note 9 Pro
n/a
Bokeh70n/a
Preview72n/a
Zoom126n/a

Front camera

Matrix 12 MP 16 MP
Photo resolution 4000x3000 pixels 4920x3264 pixels
Aperture f/2.2 f/2.48
Focal length 26 mm n/a
Sensor Samsung S5K3LU OmniVision OV32A1Q
Sensor size 1/3.24 1/3.1
Pixel size 1.12 μm 1 μm
Autofocus Phase autofocus (Dual Pixel) No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.3 5
Bluetooth features LE LE, HID, A2DP
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort Yes DP 1.2 n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
- NAVIC
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM 850/1700/1900/2100MhzGSM 850 / 900 / 1800 / 2100 / 2600 / 2300 / 2500
3G BandsUMTS 6/5/8/34HSDPA 850 / 900 / 1900 / 2100
LTE Bands*LTE (B/B1/B2/B3/B4/B5/B7/B8/B12/B13/B16/B17/B18/B19/B20/B25/B27/B28/B29/B30/B38/B39/B40/B41/B66/B71)LTE (B850/B900/B1800/B2100/B2300/B2500/B2600)
LTE category2012
5G SupportYesNo

Sound

Speakers Stereo Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes No
Speaker Test
Max Volume
Samsung Galaxy S23
91.5 dB
Xiaomi Redmi Note 9 Pro
87.1 dB

Other

Class Flagship Mid-range
Announced February, 2023 yr April, 2020 yr
Release Date February, 2023 yr May, 2020 yr
Launch Price ($) 799 185
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No n/a

Note

Samsung Galaxy S23:

The 128GB version uses slower UFS 3.1 memory, while the 256GB and 512GB models have UFS 4.0.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy S23 the clear winner in this comparison.

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