Samsung Galaxy S23 Ultra vs Xiaomi Poco X3 Pro

Compared 2 smartphones : Samsung Galaxy S23 Ultra Manufactured in February, 2023, with display 6.8 with chipsetSnapdragon 8 Gen 2 Mobile Platform for Galaxy, vs Xiaomi Poco X3 Pro, Manufactured in April, 2021with chipsetQualcomm Snapdragon 860. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy S23 Ultra
  • Larger display: 6.8in
  • Higher pixel density: 500ppi
  • 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 Poco X3 Pro
  • Lighter design: 215g vs 233g
  • Higher battery capacity: 5160mAh vs 5000mAh
  • Infrared port

Versions

Available versions and configurations
Memory Options - 8/256 GB
- 12/256 GB
- 12/512 GB
- 12/1024 GB
- 6/125 GB
- 6/128 GB
- 6/256 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Samsung Galaxy S23 Ultra and Xiaomi Poco X3 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 6.8 in 6.67 in
Resolution 1440x3088 pixels 1080x2400 pixels
Aspect ratio 19.3:9 20:9
Pixel density 500 ppi 395 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) No
Max brightness 850 nits 450 nits
HDR support Yes HDR10+ Yes HDR10
Touch Sampling Rate 240 Hz 240 Hz
Screen-to-body ratio 89.5 % 84.6 %
Features - DCI-P3
- Always-On Display
n/a
Display test
Peak brightness (auto)
Samsung Galaxy S23 Ultra
1269 nits
Xiaomi Poco X3 Pro
530 nits
sRGB gamut96.9 %95.1 %
PWM (Flicker)240 Hz2404 Hz
Response time2 ms37.4 ms
Contrast∞ Infinite995:1

Design & Build

Design and ergonomics comparison
Height 163.4 mm (6.43 in) 165.3 mm (6.51 in)
Width 78.1 mm (3.07 in) 76.8 mm (3.02 in)
Thickness 8.9 mm (0.35 in) 9.4 mm (0.37 in)
Weight 233 g (8.22 oz) 215 g (7.58 oz)
Water resistance IP68 IP53
Cooling system Vapor chamber Vapor chamber
Back panel Glass Plastic
Frame Metal Plastic
Colors - White
- Black
- Gray
- Blue
- Green
- Red
- Purple
- Black
- Gold
- Blue
Fingerprint sensor Yes In-Display Yes In-Button
Screen-to-body ratio
Samsung Galaxy S23 Ultra
89.5 %
Xiaomi Poco X3 Pro
84.6 %

Performance

Testing Samsung Galaxy S23 Ultra and Xiaomi Poco X3 Pro In benchmarks
Processor
Chipset Snapdragon 8 Gen 2 Mobile Platform for Galaxy Qualcomm Snapdragon 860
Max Frequency 3360 MHz 2960 MHz
CPU Cores 8 (1 + 2 + 2 + 3) 8 (1 + 3 + 4)
Architecture - 3/2 (Cortex-A510)
- 2/2.8 (Cortex-A710)
- 2/2.8 (Cortex-A715)
- 1/3.2 (Cortex-X3)
- 4/1.8 (Cortex-A55 (Kryo 485 Silver))
- 3/2.42 (Cortex-A76 (Kryo 485 Gold))
- 1/2.96 (Cortex-A76 (Kryo 485 Prime))
Process TSMC TSMC
Transistor Size 4 nm 7 nm
Neural Processor Hexagon Hexagon 690
Graphics Adreno 740 Adreno 640
GPU Cores 1536 768
GPU Frequency 719 MHz 675 MHz
FLOPS 2089 GFLOPS 1036.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S23 Ultra
1976
Xiaomi Poco X3 Pro
973
Geekbench 6 (Multi-Core)
Samsung Galaxy S23 Ultra
5221
Xiaomi Poco X3 Pro
2589
Geekbench 6 (Single-Core)1976973
Geekbench 6 (Multi-Core)52212589
AnTuTu 10
AnTuTu 10
Samsung Galaxy S23 Ultra
1541246
Xiaomi Poco X3 Pro
642297
CPU371084181709
GPU600732155743
Memory299004126967
UX270462177878
NanoReview Score1541246642297
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S23 Ultra
12160
Xiaomi Poco X3 Pro
3456
Max Surface Temp.34.8 °C44.1 °C
Stability64 %97 %
Graphics Test72 fps20 fps
Graphics Score121603456
PCMark 3.0
PCMark 3.0
Samsung Galaxy S23 Ultra
16130
Xiaomi Poco X3 Pro
10579
Writing score1979913393
Web score161018062
Video editing78156035
Data manipulation131428470
NanoReview Score1613010579

Memory

RAM
RAM Size - 8 GB
- 12 GB
- 6 GB
- 8 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 4200 MHz 2133 MHz
Channels 4 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB
- 128 GB
- 256 GB
Storage TypeUFS 4.0UFS 3.1
Memory CardNoMicroSD

Software

OS Android 13 (Upgradeable to Android 14) Android 11 (Upgradeable to Android 13)
OS Size 39.9 GB 13 GB
UI Skin One UI 6.1 MIUI 14

Battery

Volume 5000 mAh 5160 mAh
Max Charging Power 45 W 33 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging Yes (15 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (68% in 30 min) Yes (55% in 30 min)
Full Charge Time 0:59 h 1:15 h
Battery Life Test
Battery Life
Samsung Galaxy S23 Ultra
26:01
Xiaomi Poco X3 Pro
22:40
Web Browsing09:57 h08:43 h
Video Playback15:38 h12:45 h
Games06:22 h05:20 h
Standby Mode130 h117 h

Main camera

Matrix 200 MP 48 MP
Photo resolution 16320x12240 pixels 8000x6000 pixels
Zoom Optical, 10x Digital
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 (1080p)
Wide-angle lens 120 ° 119 °
Lenses count Standard: 200 MP
Telephoto: 10 MP
Telephoto: 10 MP
Ultra-wide: 12 MP
Standard: 48 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
Main lens
Matrix200 MP48 MP
Aperturef/1.7f/1.8
Focal length23 mm26 mm
SensorSamsung ISOCELL HP2Sony IMX582
Sensor size1/1.31/2.0
Pixel size0.64 μm0.8 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalDigital
Telephoto
Matrix10 MPn/a
Aperturef/4.9n/a
Focal length230 mmn/a
SensorSony IMX754n/a
Sensor size1/3.52n/a
Pixel size1.12 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix12 MP8 MP
Aperturef/2.2f/2.2
Focal length13 mmn/a
SensorSony IMX564Omnivision OV8856
Sensor size1/2.551/4
Pixel size1.4 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S23 Ultra
139
Xiaomi Poco X3 Pro
n/a
Video quality
Samsung Galaxy S23 Ultra
137
Xiaomi Poco X3 Pro
n/a
Overall camera score
Samsung Galaxy S23 Ultra
140
Xiaomi Poco X3 Pro
n/a
Bokeh70n/a
Preview73n/a
Zoom141n/a

Front camera

Matrix 12 MP 20 MP
Photo resolution 4000x3000 pixels 5480x3648 pixels
Aperture f/2.2 f/2.2
Focal length 26 mm 25 mm
Sensor Samsung S5K3LU CMOS
Sensor size 1/3.24 1/3.4
Pixel size 1.12 μm 0.8 μm
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Samsung Galaxy S23 Ultra
139
Xiaomi Poco X3 Pro
n/a
Video quality
Samsung Galaxy S23 Ultra
145
Xiaomi Poco X3 Pro
n/a

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 SlotNoYes
2G Bandsn/aGSM B2/3/5/8
3G Bandsn/aUMTC B1/2/4/5/8
LTE Bands*n/aLTE (B1/B2/B3/B4/B5/B7/B8/B20/B28/B32/B38/B40/B41)
LTE category2020
5G SupportYesNo

Sound

Speakers Stereo Stereo
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes No
Speaker Test
Max Volume
Samsung Galaxy S23 Ultra
91.8 dB
Xiaomi Poco X3 Pro
88.3 dB

Other

Class Flagship Mid-range
Announced February, 2023 yr March, 2021 yr
Release Date February, 2023 yr April, 2021 yr
Launch Price ($) 1199 250
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
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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