Home Phone comparison Samsung Galaxy S23 Ultra and Xiaomi 12X - Which is better?

Samsung Galaxy S23 Ultra vs Xiaomi 12X

81 out 100
Samsung Galaxy S23 Ultra
VS
63 out 100
Xiaomi 12X
Samsung Galaxy S23 Ultra
Xiaomi 12X

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 12X, Manufactured in December, 2021with chipsetQualcomm Snapdragon 870. 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 Samsung Galaxy S23 Ultra
  • Larger display: 6.8in
  • Higher pixel density: 500ppi
  • Higher battery capacity: 5000mAh vs 4500mAh
  • Newer Bluetooth version: 5.3 vs 5.1
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM
Reasons to choose Xiaomi 12X
  • Lighter design: 176g vs 233g
  • Infrared port
  • Includes charger

Versions

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

Review

Key Specs Samsung Galaxy S23 Ultra and Xiaomi 12X
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:
Galaxy S23 Ultra
vs
Xiaomi 12X

Display

Display quality comparison
Type Dynamic AMOLED AMOLED
Size 6.8 in 6.28 in
Resolution 1440x3088 pixels 1080x2400 pixels
Aspect ratio 19.3:9 20:9
Pixel density 500 ppi 419 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness 850 nits 500 nits
HDR support Yes HDR10+ Yes HDR10+
Touch Sampling Rate 240 Hz 480 Hz
Screen-to-body ratio 89.5 % 89.3 %
Features - DCI-P3
- Always-On Display		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S23 Ultra
1269 nits
Xiaomi 12X
924 nits
sRGB gamut96.9 %98.6 %
PWM (Flicker)240 Hz523 Hz
Response time2 ms1 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Samsung Galaxy S23 Ultra], [Xiaomi 12X]

Design & Build

Design and ergonomics comparison
Height 163.4 mm (6.43 in) 152.7 mm (6.01 in)
Width 78.1 mm (3.07 in) 69.9 mm (2.75 in)
Thickness 8.9 mm (0.35 in) 8.16 mm (0.32 in)
Weight 233 g (8.22 oz) 176 g (6.21 oz)
Water resistance IP68 No
Cooling system Vapor chamber n/a
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Black
- Gray
- Blue
- Green
- Red
- Purple		 - Black
- Blue
- Pink
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy S23 Ultra
89.5 %
Xiaomi 12X
89.3 %

Performance

Testing Samsung Galaxy S23 Ultra and Xiaomi 12X In benchmarks
Processor
Chipset Snapdragon 8 Gen 2 Mobile Platform for Galaxy Qualcomm Snapdragon 870
Max Frequency 3360 MHz 3200 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 (Kryo 585 Silver (Cortex-A55))
- 3/2.42 (Kryo 585 Gold (Cortex-A77))
- 1/3.2 (Kryo 585 Prime (Cortex-A77))
Process TSMC TSMC
Transistor Size 4 nm 7 nm
Neural Processor Hexagon Hexagon 698
Graphics Adreno 740 Adreno 650
GPU Cores 1536 768
GPU Frequency 719 MHz 670 MHz
FLOPS 2089 GFLOPS 1029.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S23 Ultra
1976
Xiaomi 12X
1297
Geekbench 6 (Multi-Core)
Samsung Galaxy S23 Ultra
5221
Xiaomi 12X
3428
Geekbench 6 (Single-Core)19761297
Geekbench 6 (Multi-Core)52213428
Sources: Geekbench v6 [Xiaomi 12X]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S23 Ultra
1541246
Xiaomi 12X
806389
CPU371084237508
GPU600732235693
Memory299004153330
UX270462179858
NanoReview Score1541246806389
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S23 Ultra
12160
Xiaomi 12X
4251
Max Surface Temp.34.8 °C37.6 °C
Stability64 %98 %
Graphics Test72 fps25 fps
Graphics Score121604251
Sources: 3DMark [Samsung Galaxy S23 Ultra], [Xiaomi 12X]
PCMark 3.0
PCMark 3.0
Samsung Galaxy S23 Ultra
16130
Xiaomi 12X
n/a
Writing score19799n/a
Web score16101n/a
Video editing7815n/a
Data manipulation13142n/a
NanoReview Score16130n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB		 - 8 GB
- 12 GB
Memory Type LPDDR5X LPDDR5
Memory Frequency 4200 MHz n/a
Channels 4 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		- 128 GB
- 256 GB
Storage TypeUFS 4.0UFS 3.1
Memory CardNoNo

Software

OS Android 13 (Upgradeable to Android 14) Android 11 (Upgradeable to Android 13)
OS Size 39.9 GB 29.3 GB
UI Skin One UI 6.1 HyperOS 1.0

Battery

Volume 5000 mAh 4500 mAh
Max Charging Power 45 W 67 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 (78% in 30 min)
Full Charge Time 0:59 h 0:48 h
Battery Life Test
Battery Life
Samsung Galaxy S23 Ultra
26:01
Xiaomi 12X
22:44
Web Browsing09:57 h09:35 h
Video Playback15:38 h14:39 h
Games06:22 h05:35 h
Standby Mode130 h101 h

Main camera

Matrix 200 MP 50 MP
Photo resolution 16320x12240 pixels 8700x5800 pixels
Zoom Optical, 10x Digital
Flash LED Dual LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Up to 24FPS
4K Recording Yes (Up to 60 fps) Yes (Up to 60 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: 200 MP
Telephoto: 10 MP
Telephoto: 10 MP
Ultra-wide: 12 MP		 Standard: 50 MP
Ultra-wide: 13 MP
Macro: 5 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix200 MP50 MP
Aperturef/1.7f/1.9
Focal length23 mm26 mm
SensorSamsung ISOCELL HP2Sony IMX766
Sensor size1/1.31/1.56
Pixel size0.64 μm1 μm
AutofocusLaser autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
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 MP13 MP
Aperturef/2.2f/2.4
Focal length13 mm12 mm
SensorSony IMX564OmniVision OV13B10
Sensor size1/2.551/3.06
Pixel size1.4 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S23 Ultra
139
Xiaomi 12X
n/a
Video quality
Samsung Galaxy S23 Ultra
137
Xiaomi 12X
n/a
Overall camera score
Samsung Galaxy S23 Ultra
140
Xiaomi 12X
n/a
Bokeh70n/a
Preview73n/a
Zoom141n/a
Sources: DxOMark [Samsung Galaxy S23 Ultra]

Front camera

Matrix 12 MP 32 MP
Photo resolution 4000x3000 pixels 6528x4896 pixels
Aperture f/2.2 f/2.4
Focal length 26 mm 26 mm
Sensor Samsung S5K3LU OmniVision OV32B40
Sensor size 1/3.24 1/3
Pixel size 1.12 μm 0.7 μm
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 60 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Samsung Galaxy S23 Ultra
139
Xiaomi 12X
n/a
Video quality
Samsung Galaxy S23 Ultra
145
Xiaomi 12X
n/a

Connectivity

Wi-Fi version Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.3 5.1
Bluetooth features LE LE
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 Varies by region
Infrared Port No Yes
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *Yesn/a
Hybrid SlotNoNo
2G Bandsn/aGSM 850 900 1800 1900 MHz
3G Bandsn/aWCDMA B1/2/4/5/6/8/19
LTE Bands*n/aLTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B66)
LTE category20n/a
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy S23 Ultra
91.8 dB
Xiaomi 12X
90.1 dB

Other

Class Flagship Flagship
Announced February, 2023 yr December, 2021 yr
Release Date February, 2023 yr December, 2021 yr
Launch Price ($) 1199 650
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 Yes 67 W
* 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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