Samsung Galaxy S23 vs Xiaomi Mi 9 SE

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 Mi 9 SE, Manufactured in March, 2019 with chipsetQualcomm Snapdragon 712. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy S23
  • Larger display: 6.1in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 3900mAh vs 3070mAh
  • 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 Mi 9 SE
  • Higher pixel density: 432ppi
  • Lighter design: 155g vs 168g
  • Infrared port

Versions

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

Review

Key Specs Samsung Galaxy S23 and Xiaomi Mi 9 SE
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 AMOLED
Size 6.1 in 5.97 in
Resolution 1080x2340 pixels 1080x2340 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 425 ppi 432 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes (24-120 Hz) No
Max brightness 800 nits 585 nits
HDR support Yes HDR10+ Yes HDR10
Screen-to-body ratio 88 % 84.1 %
Features - DCI-P3
- Always-On Display
Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy S23
1197 nits
Xiaomi Mi 9 SE
635 nits
sRGB gamut98.9 %99.9 %
PWM (Flicker)240 Hz255 Hz
Response time1 ms4.2 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 146.3 mm (5.76 in) 147.5 mm (5.81 in)
Width 70.9 mm (2.79 in) 70.5 mm (2.78 in)
Thickness 7.6 mm (0.3 in) 7.4 mm (0.29 in)
Weight 168 g (5.93 oz) 155 g (5.47 oz)
Water resistance IP68 No
Cooling system Vapor chamber n/a
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Black
- Gray
- Green
- Purple
- Yellow
- Gray
- Blue
- Purple
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy S23
88 %
Xiaomi Mi 9 SE
84.1 %

Performance

Testing Samsung Galaxy S23 and Xiaomi Mi 9 SE In benchmarks
Processor
Chipset Snapdragon 8 Gen 2 Mobile Platform for Galaxy Qualcomm Snapdragon 712
Max Frequency 3360 MHz 2200 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)
- 6/1.7 (Kryo 360 Silver (Cortex-A55))
- 2/2.3 (Kryo 360 Gold (Cortex-A75))
Process TSMC Samsung
Transistor Size 4 nm 10 nm
Neural Processor Hexagon Hexagon 685 DSP
Graphics Adreno 740 Adreno 616
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 Mi 9 SE
545
Geekbench 6 (Multi-Core)
Samsung Galaxy S23
4914
Xiaomi Mi 9 SE
1594
Geekbench 6 (Single-Core)1831545
Geekbench 6 (Multi-Core)49141594
Geekbench Compute (GPU)9422n/a
AnTuTu 10
AnTuTu 10
Samsung Galaxy S23
1522811
Xiaomi Mi 9 SE
314968
CPU38053596860
GPU59889665197
Memory27327169080
UX27010983831
NanoReview Score1522811314968
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S23
12039
Xiaomi Mi 9 SE
654
Max Surface Temp.34.3 °C38.7 °C
Stability60 %97 %
Graphics Test72 fps3 fps
Graphics Score12039654
PCMark 3.0
PCMark 3.0
Samsung Galaxy S23
15602
Xiaomi Mi 9 SE
n/a
Writing score19330n/a
Web score14262n/a
Video editing7840n/a
Data manipulation12674n/a
NanoReview Score15602n/a

Memory

RAM
RAM Size 8 GB 6 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency n/a 1866 MHz
Channels 4 2
Storage
Storage Capacity- 128 GB
- 256 GB
- 512 GB
- 64 GB
- 128 GB
Storage TypeUFS 4.0UFS 2.1
Memory CardNoNo

Software

OS Android 13 (Upgradeable to Android 14) Android 9.0 (Upgradeable to Android 11.0)
OS Size 29.7 GB 19 GB
UI Skin One UI 6.1 MIUI 12

Battery

Volume 3900 mAh 3070 mAh
Max Charging Power 25 W 18 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 Quick Charge 4 (50% in 30 min)
Full Charge Time 1:16 h 1:27 h
Battery Life Test
Battery Life
Samsung Galaxy S23
22:02
Xiaomi Mi 9 SE
16:19
Web Browsing08:12 h05:40 h
Video Playback13:41 h10:32 h
Games05:20 h03:52 h
Standby Mode109 h83 h

Main camera

Matrix 50 MP 48 MP
Photo resolution 8160x6120 pixels 8000x6000 pixels
Zoom Optical, 3x Optical, 2x
Flash LED Dual 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 ° 123 °
Lenses count Standard: 50 MP
Telephoto: 10 MP
Ultra-wide: 12 MP
Standard: 48 MP
Telephoto: 8 MP
Ultra-wide: 13 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
Main lens
Matrix50 MP48 MP
Aperturef/1.8f/1.8
Focal length23 mm27 mm
SensorSamsung S5KGN3Sony IMX586
Sensor size1/1.571/2
Pixel size1 μm0.8 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalDigital
Telephoto
Matrix10 MP8 MP
Aperturef/2.4f/2.4
Focal length70 mm52 mm
SensorSamsung S5K3K1Omnivision OV8856
Sensor size1/3.941/4
Pixel size1 μm1.12 μm
StabilizationOpticalDigital
Ultra-wide lens
Matrix12 MP13 MP
Aperturef/2.2f/2.4
Focal length13 mmn/a
SensorSony IMX564Samsung S5K3L6
Sensor size1/2.551/3.1
Pixel size1.4 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S23
129
Xiaomi Mi 9 SE
n/a
Video quality
Samsung Galaxy S23
137
Xiaomi Mi 9 SE
n/a
Overall camera score
Samsung Galaxy S23
133
Xiaomi Mi 9 SE
n/a
Bokeh70n/a
Preview72n/a
Zoom126n/a

Front camera

Matrix 12 MP 20 MP
Photo resolution 4000x3000 pixels 5120x3840 pixels
Aperture f/2.2 f/2.0
Focal length 26 mm 18 mm
Sensor Samsung S5K3LU Sony IMX576
Sensor size 1/3.24 1/2.78
Pixel size 1.12 μm 0.9 μm
Autofocus Phase autofocus (Dual Pixel) Phase autofocus
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, 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
- USB-Host mode
- OTG
DisplayPort Yes DP 1.2 n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
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, GSM 900, GSM 1800, GSM 1900
3G BandsUMTS 6/5/8/34HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 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 (B800/B900/B1800/B2100/B2300/B2500/B2600)
LTE category2015
5G SupportYesNo

Sound

Speakers Stereo Mono
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes No
Speaker Test
Max Volume
Samsung Galaxy S23
91.5 dB
Xiaomi Mi 9 SE
81.5 dB

Other

Class Flagship Mid-range
Announced February, 2023 yr February, 2019 yr
Release Date February, 2023 yr March, 2019 yr
Launch Price ($) 799 400
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Hall Sensor
- Barometer
- 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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