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Xiaomi 14 Ultra vs Samsung Galaxy S23 Ultra

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Xiaomi 14 Ultra vs Samsung Galaxy S23 Ultra

91 out of 100
Xiaomi 14 Ultra
VS
85 out of 100
Samsung Galaxy S23 Ultra
Xiaomi 14 Ultra
Samsung Galaxy S23 Ultra

Here we compared two flagship smartphones: the 6.73-inch Xiaomi 14 Ultra (with Qualcomm Snapdragon 8 Gen 3) that was released on February 22, 2024, against the Samsung Galaxy S23 Ultra, which is powered by Snapdragon 8 Gen 2 Mobile Platform for Galaxy and came out 1 year and 1 month before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery life
  6. Camera
  7. Comments

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi 14 Ultra
  • Better camera quality (According to DxOMark rating)
  • Has 33% more RAM: 16GB versus 12GB
  • Newer Bluetooth version (v5.4)
  • Supports higher wattage charging (90W versus 45W)
  • 32% better performance in AnTuTu Benchmark (2033K versus 1541K)
  • Compatible with the latest Wi-Fi 7 wireless networks
  • More recent OS version: Android 15 versus 14
  • Slow-motion recording at 1920FPS
  • Has 2 SIM card slots
  • The phone is 1 year and 1 month newer
  • Has a built-in infrared port
Reasons to consider the Samsung Galaxy S23 Ultra
  • The rear camera has a 10x optical zoom
  • Shows 18% longer battery life (26:01 vs 22:08 hours)
  • Ready for eSIM technology

Review

Evaluation of Xiaomi 14 Ultra and Samsung Galaxy S23 Ultra crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
NanoReview Score
Final comparison evaluation
Choose the importance of each parameter to more accurately identify the smartphone that best meets your particular needs.

Tests and specifications

Comparison table of technical specifications and tests
Phone:
14 Ultra
vs
Galaxy S23 Ultra

Display

TypeAMOLEDDynamic AMOLED
Size6.73 inches6.8 inches
Resolution1440 x 3200 pixels1440 x 3088 pixels
Aspect ratio20:919.3:9
PPI522 ppi500 ppi
Refresh rate120 Hz120 Hz
Adaptive refresh rateYes (1-120 Hz)Yes (1-120 Hz)
Max rated brightness3000 nits850 nits
Max rated brightness in HDR - 1750 nits
HDR supportYes, Dolby VisionYes, HDR10+
Touch sampling rate240 Hz240 Hz
Screen protectionXiaomi Shield GlassGorilla Glass Victus 2
Screen-to-body ratio89.9%89.5%
Display features - DCI-P3
- Always-On Display
- DC Dimming		 - DCI-P3
- Always-On Display
Display tests
RGB color space98.9%96.9%
PWM120 Hz240 Hz
Response time1 ms2 ms
Contrast∞ Infinity∞ Infinity
Peak brightness test (auto)
14 Ultra+1%
1287 nits
Galaxy S23 Ultra
1279 nits

Design and build

Height161.4 mm (6.35 inches)163.4 mm (6.43 inches)
Width75.3 mm (2.96 inches)78.1 mm (3.07 inches)
Thickness9.2 mm (0.36 inches)8.9 mm (0.35 inches)
Weight219.8 g (7.75 oz)233 g (8.22 oz)
WaterproofIP68IP68
Advanced coolingVapor chamberVapor chamber
Rear materialGlassGlass
Frame materialMetalMetal
ColorsWhite, BlackWhite, Black, Gray, Blue, Green, Red, Purple
Fingerprint scannerYes, in-displayYes, in-display
Screen-to-body ratio

Performance

Tests of Xiaomi 14 Ultra and Samsung Galaxy S23 Ultra in the benchmarks
SoC
ChipsetQualcomm Snapdragon 8 Gen 3Snapdragon 8 Gen 2 Mobile Platform for Galaxy
Max clock3300 MHz3360 MHz
CPU cores8 (1 + 3 + 2 + 2)8 (1 + 2 + 2 + 3)
Architecture- 2 cores at 2.27 GHz: Cortex-A520
- 2 cores at 2.96 GHz: Cortex-A720
- 3 cores at 3.15 GHz: Cortex-A720
- 1 core at 3.3 GHz: Cortex-X4		- 3 cores at 2 GHz: Cortex-A510
- 2 cores at 2.8 GHz: Cortex-A710
- 2 cores at 2.8 GHz: Cortex-A715
- 1 core at 3.2 GHz: Cortex-X3
L3 cache12 MB8 MB
ManufacturingTSMCTSMC
Lithography process4 nanometers4 nanometers
Neural processor (NPU)HexagonHexagon
GraphicsAdreno 750Adreno 740
GPU shading units15361536
GPU clock903 MHz719 MHz
FLOPS~2774 GFLOPS~2089 GFLOPS

Benchmarks

Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
14 Ultra+32%
2033389
Galaxy S23 Ultra
1541246
CPU450321371084
GPU867551600732
Memory404276299004
UX311241270462
Total score20333891541246
Samples[4 tests][29 tests]
3DMark Wild Life Performance
Max surface temperature47.7 °C34.8 °C
Stability86%64%
Graphics test93 FPS72 FPS
Graphics score1567612159
PCMark 3.0
Web score1469316012
Video editing79267809
Photo editing3233433775
Data manipulation1611313104
Writing score1964219811

Memory

RAM
RAM size12, 16 GB8, 12 GB
Memory typeLPDDR5XLPDDR5X
Memory clock4200 MHz4200 MHz
Channels44
Storage
Storage size256, 512, 1024 GB256, 512, 1024 GB
Storage typeUFS 4.0UFS 4.0
Memory cardNoNo

Software

Operating systemAndroid 14 (Can be upgraded to Android 15)Android 13 (Can be upgraded to Android 14)
ROMHyperOS 2.0One UI 6.1
OS size31 GB39.9 GB

Battery

Capacity5000 mAh5000 mAh
Max charge power90 W45 W
Battery typeLi-PoLi-Ion
ReplaceableNoNo
Wireless chargingYes (80 W)Yes (15 W)
Reverse chargingYes, (wireless)Yes, (wireless)
Fast chargingYes (52% in 15 min)Yes (68% in 30 min)
Full charging time0:34 hr0:59 hr
Battery life tests
Web browsing09:23 hr09:57 hr
Watching video12:26 hr15:38 hr
Gaming04:35 hr06:22 hr
Standby109 hr130 hr
General battery life
14 Ultra
22:08 hr
Galaxy S23 Ultra+18%
26:01 hr

Main camera

Matrix50 megapixels200 megapixels
Image resolution8192 x 614416320 x 12240
ZoomOptical, 5xOptical, 10x
FlashDual LEDLED
StabilizationOpticalOptical
8K video recordingUp to 30FPSUp to 30FPS
4K video recordingUp to 120FPSUp to 60FPS
1080p video recordingUp to 60FPSUp to 120FPS
Slow motion1920 FPS (1080p)960 FPS (1080p)
Angle of widest lens122°120°
Lenses1) Standard: 50 MP
2) Telephoto: 50 MP
3) Telephoto: 50 MP
4) Ultrawide: 50 MP
5) Depth
1) Standard: 200 MP
2) Telephoto: 10 MP
3) Telephoto: 10 MP
4) Ultrawide: 12 MP
Camera features - Bokeh mode
- Pro mode
- RAW support		 - Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution50 MP200 MP
Aperturef/1.6 - 4.0f/1.7
Focal length23 mm23 mm
SensorSony LYT-900Samsung ISOCELL HP2
Sensor size1/0"1/1.3"
Pixel size1.6 micron0.64 micron
AutofocusLaser autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto lens
Image resolution50 MP10 MP
Aperturef/1.8f/4.9
Focal length120 mm230 mm
SensorSony IMX858Sony IMX754
Sensor size1/2.51"1/3.52"
Pixel size0.7 micron1.12 micron
StabilizationOpticalOptical
Ultra-wide lens
Image resolution50 MP12 MP
Aperturef/1.8f/2.2
Focal length12 mm13 mm
SensorSony IMX858Sony IMX564
Sensor size1/2.51"1/2.55"
Pixel size0.7 micron1.4 micron
StabilizationDigitalDigital

DxOMark main camera tests

Photo quality
Video quality
Generic main camera score
Bokeh7570
Preview8373
Zoom160141
SamplesPhoto samples of Xiaomi 14 Ultra from DxOMarkPhoto samples of Samsung Galaxy S23 Ultra from DxOMark

Selfie camera

Megapixels32 megapixels12 megapixels
Image resolution6528 x 48964000 x 3000
Aperturef/2.0f/2.2
Focal length22 mm26 mm
SensorOmnivision OV32BSamsung S5K3LU
Sensor size1/3.14"1/3.24"
Pixel size0.7 micron1.12 micron
AutofocusNoPhase autofocus
StabilizationDigitalDigital
Video resolution2160p (4K) at 60 FPS2160p (4K) at 60 FPS
Depth sensor (TOF 3D)NoNo
DxOMark front camera
Photo - 139
Video - 145

Connectivity

Wi-Fi standardWi-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 version5.45.3
Bluetooth featuresLELE
USB typeUSB Type-CUSB Type-C
USB version3.23.2
USB features - Charging
- USB-Storage mode
- OTG		 - Charging
- USB-Storage mode
- OTG
DisplayPortYes, DP 1.2Yes, DP 1.2
GPSGPS, GLONASS, Beidou, Galileo, QZSS, NAVICGPS, GLONASS, Beidou, Galileo, QZSS
NFC*YesYes
Infrared portYesNo
Network
Number of SIM*21
Type of SIM cardNanoNano
Multi SIM modeStandbyStandby
eSIM support*NoYes
Hybrid slotNoNo
LTE Cat*2020
5G supportYesYes

Sound

SpeakersStereoStereo
Headphone audio jackNoNo
FM radioNoNo
Dolby AtmosYesYes
Speakers test
Max loudness
14 Ultra
90.3 dB
Galaxy S23 Ultra+2%
91.8 dB

Other

CategoryFlagshipFlagship
AnnouncedFebruary 2024February 2023
Release dateFebruary 2024February 2023
Launch price$1499$1199
SAR (head) - 0.96 W/kg
SAR (body) - 1.4 W/kg
Sensors - Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint		 - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled chargerYes, 90 WNot included
Further details
Notes on 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.
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
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