Xiaomi 14 Ultra vs 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.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory

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 50% more RAM: 12GB versus 8GB
  • Newer Bluetooth version (v5.4)
  • Supports higher wattage charging (90W versus 45W)
  • 34% better performance in AnTuTu Benchmark (2354K versus 1762K)
  • Compatible with Wi-Fi 7 wireless networks
  • 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
DeviceFacts Score
Final comparison evaluation
Select your primary usage scenario to get a more accurate DeviceFacts Score
📱 Primary usage:

Value for money (Beta)

To get an accurate value-for-money index, update the default prices with actual prices from your country’s retailers (for the selected memory configs) and press the "Calculate" button.
Currency
12 / 256 GB
VS
8 / 256 GB
19.4
(Bad)
Value Index
49.0
(Average)

Tests and specifications

Comparison table of technical specifications and tests

Display

Type AMOLED Dynamic AMOLED
Size 6.73 inches 6.8 inches
Resolution 1440 x 3200 pixels 1440 x 3088 pixels
Aspect ratio 20:9 19.3:9
PPI 522 ppi 500 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (24-120 Hz)
Max rated brightness 3000 nits 1200 nits
Max rated brightness in HDR - 1750 nits
HDR support Yes, Dolby Vision Yes, HDR10+
Touch sampling rate 240 Hz 240 Hz
Screen protection Xiaomi Shield Glass Gorilla Glass Victus 2
Screen-to-body ratio 89.9% 89.5%
Display features - DCI-P3
- Always-On Display
- DC Dimming
- DCI-P3
- Always-On Display
Display tests
RGB color space 98.9% 96.9%
PWM 120 Hz 240 Hz
Response time 1 ms 2 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
14 Ultra +1%
1280 nits
1266 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 161.4 mm (6.35 inches) 163.4 mm (6.43 inches)
Width 75.3 mm (2.96 inches) 78.1 mm (3.07 inches)
Thickness 9.2 mm (0.36 inches) 8.9 mm (0.35 inches)
Weight 219.8 g (7.75 oz) 233 g (8.22 oz)
Waterproof IP68 IP68
Advanced cooling Vapor chamber Vapor chamber
Rear material Glass Glass
Frame material Metal Metal
Colors White, Black White, Black, Gray, Blue, Green, Red, Purple
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio

Performance

Chipset specifications of Xiaomi 14 Ultra and Samsung Galaxy S23 Ultra
SoC
Chipset Qualcomm Snapdragon 8 Gen 3 Snapdragon 8 Gen 2 Mobile Platform for Galaxy
Max clock 3300 MHz 3360 MHz
CPU cores 8 (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 cache 12 MB 8 MB
Manufacturing TSMC TSMC
Lithography process 4 nanometers 4 nanometers
Neural processor (NPU) Hexagon Hexagon
GPU
Graphics Adreno 750 Adreno 740
GPU shading units 1536 1536
GPU clock 903-1000 MHz 680 MHz
FLOPS ~2774 GFLOPS ~2089 GFLOPS

Benchmarks

Benchmark comparison of Xiaomi 14 Ultra and Samsung Galaxy S23 Ultra
Geekbench 6 (Single-Core)
14 Ultra +9%
2189
Geekbench 6 (Multi-Core)
14 Ultra +45%
7596
Compute Score (GPU)
14 Ultra +78%
16435
Compute Score (GPU) 16435 9254
Single-core score 2189 2010
Multi-core score 7596 5245
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
14 Ultra +34%
2354148
CPU 691662 556398
GPU 815122 445907
Memory 327096 285085
UX 520268 474949
Total score 2354148 1762339
Samples [6 tests] [31 tests]
3DMark Steel Nomad Light
14 Ultra +37%
1503
Stability 87% 81%
Graphics test 11 FPS 8 FPS
Graphics score 1503 1098
3DMark Solar Bay
14 Ultra +40%
7556
Stability - 77%
Graphics test 29 FPS 20 FPS
Section 1 32 FPS 23 FPS
Section 2 29 FPS 20 FPS
Section 3 25 FPS 18 FPS
Graphics score 7556 5383
3DMark Wild Life Extreme
14 Ultra +22%
4553
Stability 83% 69%
Graphics test 27 FPS 22 FPS
Graphics score 4553 3723
Sources: 3DMark [5], [6]
PCMark 3.0
Web score 14956 17072
Video editing 7926 7852
Photo editing 32564 33655
Data manipulation 15766 13329
Writing score 19505 19857
AnTuTu 11 Ranking List (#185th place)

Recent User Tests

The latest benchmark tests that have been submitted by users
Xiaomi 14 Ultra
DateBenchmarkResult
📘 2026-10-11 (Louu)AnTuTu 122656851
📘 2026-10-07 (# Rodion)AnTuTu 122576231
📘 2026-10-04 -> purtGeekbench 7 GPU10162
📘 2026-10-04 -> purtGeekbench 7 CPU1668 / 5549
📘 2026-09-28 (zloy)AnTuTu 122576231
Samsung Galaxy S23 Ultra
DateBenchmarkResult
📘 2026-10-03 -> ThekinggoatAnTuTu 121914947
📘 2026-10-03 (Thekinggoat)Geekbench 7 CPU1471 / 4766
📘 2026-10-03 (Thekinggoat)AnTuTu 121914947
📘 2026-09-28 -> Saad_irqAnTuTu 121959121
📘 2026-09-23 (Horizon377)AnTuTu 121894819

Memory

RAM
RAM size 12 GB 8 GB
Memory type LPDDR5X LPDDR5X
Memory clock 4200 MHz 4200 MHz
Channels 4 4
Storage
Storage size 256 GB 256 GB
Storage type UFS 4.0 UFS 4.0
Memory card No No

Software

Operating system Android 14 (Can be upgraded to Android 16) Android 13 (Can be upgraded to Android 16)
ROM HyperOS 3 One UI 8.0
OS size 31 GB 39.9 GB
OS updates 4 years 4 years
Security updates 5 years 5 years

Battery

Capacity 5000 mAh 5000 mAh
Max charge power 90 W 45 W
Battery type Li-Po Li-Ion
Replaceable No No
Wireless charging Yes (80 W) Yes (15 W)
Reverse charging Yes, (wireless) Yes, (wireless)
Bypass charging - Yes
Fast charging Yes (52% in 15 min) Yes (68% in 30 min)
Full charging time 0:34 hr 0:59 hr
Battery life tests
Web browsing 09:23 hr 09:57 hr
Watching video 12:26 hr 15:38 hr
Gaming 04:35 hr 06:22 hr
Standby 109 hr 130 hr
General battery life
22:08 hr
26:01 hr

Main camera

Matrix 50 megapixels 200 megapixels
Image resolution 8192 x 6144 16320 x 12240
Zoom Optical, 5x Optical, 10x
Flash Dual LED LED
Stabilization Optical Optical
8K video recording Up to 30FPS Up to 30FPS
4K video recording Up to 120FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 120FPS
Slow motion 1920 FPS (1080p) 960 FPS (1080p)
Angle of widest lens 122° 120°
Lenses 1) 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 resolution 50 MP 200 MP
Aperture f/1.6 - 4.0 f/1.7
Focal length 23 mm 23 mm
Sensor Sony LYT-900 Samsung ISOCELL HP2
Sensor size 1/1.0" (≈ 1 inch) 1/1.3" (≈ 0.77 inch)
Pixel size 1.6 micron 0.64 micron
Autofocus Laser autofocus Laser autofocus
Stabilization Optical Optical
Telephoto lens
Image resolution 50 MP 10 MP
Aperture f/1.8 f/4.9
Focal length 120 mm 230 mm
Sensor Sony IMX858 Sony IMX754
Sensor size 1/2.51" (≈ 0.4 inch) 1/3.52" (≈ 0.28 inch)
Pixel size 0.7 micron 1.12 micron
Stabilization Optical Optical
Ultra-wide lens
Image resolution 50 MP 12 MP
Aperture f/1.8 f/2.2
Focal length 12 mm 13 mm
Sensor Sony IMX858 Sony IMX564
Sensor size 1/2.51" (≈ 0.4 inch) 1/2.55" (≈ 0.39 inch)
Pixel size 0.7 micron 1.4 micron
Stabilization Digital Digital

DxOMark main camera tests

Photo quality
Video quality
Generic main camera score
Bokeh 75 70
Preview 83 73
Zoom 160 141
Samples Photo samples of Xiaomi 14 Ultra from DxOMark Photo samples of Samsung Galaxy S23 Ultra from DxOMark

Selfie camera

Megapixels 32 megapixels 12 megapixels
Image resolution 6528 x 4896 4000 x 3000
Aperture f/2.0 f/2.2
Focal length 22 mm 26 mm
Sensor Omnivision OV32B Samsung S5K3LU
Sensor size 1/3.14" (≈ 0.32 inch) 1/3.24" (≈ 0.31 inch)
Pixel size 0.7 micron 1.12 micron
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 60 FPS
Depth sensor (TOF 3D) No No
DxOMark front camera
Photo - 139
Video - 145

Connectivity

Wi-Fi standard 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
Network
Number of SIM* 2 1
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No Yes
Hybrid slot No No
LTE Cat* 20 20
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max loudness
90.3 dB
91.8 dB

Other

Category Flagship Flagship
Announced February 2024 February 2023
Release date February 2024 February 2023
Launch price (MSRP) $1499 $1199
Successor - Xiaomi 17 Ultra - Samsung Galaxy S26 Ultra
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 charger Yes, 90 W Not 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.

Conclusion

If the display, camera, performance, gaming, and connectivity are more important to you, then choose the Xiaomi 14 Ultra. But if the battery life is more of a priority – go for the Samsung Galaxy S23 Ultra.

Cast your vote

So, which phone would you choose?
156 (49.1%)
162 (50.9%)
Total votes: 318

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