Xiaomi 14 Ultra vs Samsung Galaxy S23 Ultra

Compared 2 smartphones : Xiaomi 14 Ultra Manufactured in February, 2024, with display 6.73 with chipsetQualcomm Snapdragon 8 Gen 3, vs Samsung Galaxy S23 Ultra, Manufactured in February, 2023with chipsetSnapdragon 8 Gen 2 Mobile Platform for Galaxy. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi 14 Ultra
  • Higher pixel density: 522ppi
  • Lighter design: 219.8g vs 233g
  • Newer Bluetooth version: 5.4 vs 5.3
  • Infrared port
  • Includes charger
Reasons to choose Samsung Galaxy S23 Ultra
  • Larger display: 6.8in
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 16/512 GB
- 16/1024 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB
- 12/1024 GB

Review

Key Specs Xiaomi 14 Ultra and Samsung Galaxy S23 Ultra
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 AMOLED Dynamic AMOLED
Size 6.73 in 6.8 in
Resolution 1440x3200 pixels 1440x3088 pixels
Aspect ratio 20:9 19.3:9
Pixel density 522 ppi 500 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max brightness 3000 nits 850 nits
HDR support Yes Dolby Vision Yes HDR10+
Touch Sampling Rate 240 Hz 240 Hz
Screen-to-body ratio 89.9 % 89.5 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Xiaomi 14 Ultra
1269 nits
Samsung Galaxy S23 Ultra
1269 nits
sRGB gamut98.9 %96.9 %
PWM (Flicker)120 Hz240 Hz
Response time1 ms2 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 161.4 mm (6.35 in) 163.4 mm (6.43 in)
Width 75.3 mm (2.96 in) 78.1 mm (3.07 in)
Thickness 9.2 mm (0.36 in) 8.9 mm (0.35 in)
Weight 219.8 g (7.75 oz) 233 g (8.22 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Black
- White
- Black
- Gray
- Blue
- Green
- Red
- Purple
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Xiaomi 14 Ultra
89.9 %
Samsung Galaxy S23 Ultra
89.5 %

Performance

Testing Xiaomi 14 Ultra and Samsung Galaxy S23 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 3 Snapdragon 8 Gen 2 Mobile Platform for Galaxy
Max Frequency 3300 MHz 3360 MHz
CPU Cores 8 (1 + 3 + 2 + 2) 8 (1 + 2 + 2 + 3)
Architecture - 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)
- 3/2 (Cortex-A510)
- 2/2.8 (Cortex-A710)
- 2/2.8 (Cortex-A715)
- 1/3.2 (Cortex-X3)
Process TSMC TSMC
Transistor Size 4 nm 4 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 750 Adreno 740
GPU Cores 1536 1536
GPU Frequency 903-1000 MHz 719 MHz
FLOPS 2774 GFLOPS 2089 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 14 Ultra
2197
Samsung Galaxy S23 Ultra
1976
Geekbench 6 (Multi-Core)
Xiaomi 14 Ultra
7058
Samsung Galaxy S23 Ultra
5221
Geekbench 6 (Single-Core)21971976
Geekbench 6 (Multi-Core)70585221
Geekbench Compute (GPU)16435n/a
AnTuTu 10
AnTuTu 10
Xiaomi 14 Ultra
2019519
Samsung Galaxy S23 Ultra
1541246
CPU436541371084
GPU840663600732
Memory431435299004
UX328880270462
NanoReview Score20195191541246
3DMark Wild Life
3DMark Wild Life
Xiaomi 14 Ultra
15437
Samsung Galaxy S23 Ultra
12160
Max Surface Temp.47.7 °C34.8 °C
Stability86 %64 %
Graphics Test92 fps72 fps
Graphics Score1543712160
PCMark 3.0
PCMark 3.0
Xiaomi 14 Ultra
16417
Samsung Galaxy S23 Ultra
16130
Writing score1964219799
Web score1487616101
Video editing79297815
Data manipulation1590313142
NanoReview Score1641716130

Memory

RAM
RAM Size - 12 GB
- 16 GB
- 8 GB
- 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 4200 MHz 4200 MHz
Channels 4 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB
- 256 GB
- 512 GB
- 1024 GB
Storage TypeUFS 4.0UFS 4.0
Memory CardNoNo

Software

OS Android 14 (Upgradeable to Android 15) Android 13 (Upgradeable to Android 14)
OS Size 31 GB 39.9 GB
UI Skin HyperOS 2.0 One UI 6.1

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 90 W 45 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging Yes (80 W) Yes (15 W)
Reverse Charging Yes (Wireless) Yes (Wireless)
Fast Charging Yes (52% in 15 min) Yes (68% in 30 min)
Full Charge Time 0:34 h 0:59 h
Battery Life Test
Battery Life
Xiaomi 14 Ultra
22:08
Samsung Galaxy S23 Ultra
26:01
Web Browsing09:23 h09:57 h
Video Playback12:26 h15:38 h
Games04:35 h06:22 h
Standby Mode109 h130 h

Main camera

Matrix 50 MP 200 MP
Photo resolution 8192x6144 pixels 16320x12240 pixels
Zoom Optical, 5x Optical, 10x
Flash Dual LED LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
4K Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 120 fps)
Slow Motion 1920 fps (1080p) 960 fps (1080p)
Wide-angle lens 122 ° 120 °
Lenses count Standard: 50 MP
Telephoto: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Depth
Standard: 200 MP
Telephoto: 10 MP
Telephoto: 10 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP200 MP
Aperturef/1.6 - 4.0f/1.7
Focal length23 mm23 mm
SensorSony LYT-900Samsung ISOCELL HP2
Sensor size1/1.01/1.3
Pixel size1.6 μm0.64 μm
AutofocusLaser autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MP10 MP
Aperturef/1.8f/4.9
Focal length120 mm230 mm
SensorSony IMX858Sony IMX754
Sensor size1/2.511/3.52
Pixel size0.7 μm1.12 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP12 MP
Aperturef/1.8f/2.2
Focal length12 mm13 mm
SensorSony IMX858Sony IMX564
Sensor size1/2.511/2.55
Pixel size0.7 μm1.4 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 14 Ultra
144
Samsung Galaxy S23 Ultra
139
Video quality
Xiaomi 14 Ultra
150
Samsung Galaxy S23 Ultra
137
Overall camera score
Xiaomi 14 Ultra
149
Samsung Galaxy S23 Ultra
140
Bokeh7570
Preview8373
Zoom160141

Front camera

Matrix 32 MP 12 MP
Photo resolution 6528x4896 pixels 4000x3000 pixels
Aperture f/2.0 f/2.2
Focal length 22 mm 26 mm
Sensor Omnivision OV32B Samsung S5K3LU
Sensor size 1/3.14 1/3.24
Pixel size 0.7 μm 1.12 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Xiaomi 14 Ultra
n/a
Samsung Galaxy S23 Ultra
139
Video quality
Xiaomi 14 Ultra
n/a
Samsung Galaxy S23 Ultra
145

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 6E (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 5.4 5.3
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort Yes DP 1.2 Yes DP 1.2
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*21
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8n/a
3G BandsWCDMA 1/2/4/5/6/8/19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B48/B66)n/a
LTE category2020
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi 14 Ultra
90.3 dB
Samsung Galaxy S23 Ultra
91.8 dB

Other

Class Flagship Flagship
Announced February, 2024 yr February, 2023 yr
Release Date February, 2024 yr February, 2023 yr
Launch Price ($) 1499 1199
Sensors - 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 Yes 90 W No

Note

Xiaomi 14 Ultra:

The rear cover is available in glass or eco-leather, while the frame can be aluminum or titanium. The front glass is either Xiaomi Shield Glass or Xiaomi Longjing Glass.

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

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which smartphone would you pick?
4 (50%)
4 (50%)
Total Votes: 8

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