Xiaomi 14 Ultra vs Xiaomi 15S Pro

Compared 2 smartphones : Xiaomi 14 Ultra Manufactured in February, 2024, with display 6.73 with chipsetQualcomm Snapdragon 8 Gen 3, vs Xiaomi 15S Pro, Manufactured in May, 2025 with chipsetXiaomi Xring O1. 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
  • Supports Dolby Atmos
Reasons to choose Xiaomi 15S Pro
  • Lighter design: 216g vs 219.8g
  • Higher battery capacity: 6100mAh vs 5000mAh

Versions

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

Review

Key Specs Xiaomi 14 Ultra and Xiaomi 15S 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.
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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 AMOLED
Size 6.73 in 6.73 in
Resolution 1440x3200 pixels 1440x3200 pixels
Aspect ratio 20:9 20:9
Pixel density 522 ppi 521 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max brightness 3000 nits n/a
HDR support Yes Dolby Vision Yes Dolby Vision
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 89.9 % 90 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi 14 Ultra
1269 nits
Xiaomi 15S Pro
n/a
sRGB gamut98.9 %n/a
PWM (Flicker)120 Hzn/a
Response time1 msn/a
Contrast∞ Infiniten/a

Design & Build

Design and ergonomics comparison
Height 161.4 mm (6.35 in) 161.3 mm (6.35 in)
Width 75.3 mm (2.96 in) 75.3 mm (2.96 in)
Thickness 9.2 mm (0.36 in) 8.33 mm (0.33 in)
Weight 219.8 g (7.75 oz) 216 g (7.62 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - White
- Black
- Black
- Blue
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Xiaomi 14 Ultra
89.9 %
Xiaomi 15S Pro
90 %

Performance

Testing Xiaomi 14 Ultra and Xiaomi 15S Pro In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 3 Xiaomi Xring O1
Max Frequency 3300 MHz 3900 MHz
CPU Cores 8 (1 + 3 + 2 + 2) 10 (2 + 4 + 2 + 2)
Architecture - 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)
- 2/1.8 (Cortex-A520)
- 2/1.9 (Cortex-A725)
- 4/3.4 (Cortex-A725)
- 2/3.9 (Cortex-X925)
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor Hexagon Yes
Graphics Adreno 750 Mali-G925 Immortalis MP12
GPU Cores 1536 1536
GPU Frequency 903-1000 MHz n/a
FLOPS 2774 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 14 Ultra
2197
Xiaomi 15S Pro
3068
Geekbench 6 (Multi-Core)
Xiaomi 14 Ultra
7058
Xiaomi 15S Pro
9519
Geekbench 6 (Single-Core)21973068
Geekbench 6 (Multi-Core)70589519
Geekbench Compute (GPU)1643520919
AnTuTu 10
AnTuTu 10
Xiaomi 14 Ultra
2019519
Xiaomi 15S Pro
2650995
CPU436541653020
GPU8406631065137
Memory431435550763
UX328880382075
NanoReview Score20195192650995
3DMark Wild Life
3DMark Wild Life
Xiaomi 14 Ultra
15437
Xiaomi 15S Pro
n/a
Max Surface Temp.47.7 °Cn/a
Stability86 %n/a
Graphics Test92 fpsn/a
Graphics Score15437n/a
PCMark 3.0
PCMark 3.0
Xiaomi 14 Ultra
16417
Xiaomi 15S Pro
n/a
Writing score19642n/a
Web score14876n/a
Video editing7929n/a
Data manipulation15903n/a
NanoReview Score16417n/a

Memory

RAM
RAM Size - 12 GB
- 16 GB
16 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 4200 MHz 4800 MHz
Channels 4 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB
512 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 14 (Upgradeable to Android 15) Android 15
OS Size 31 GB n/a
UI Skin HyperOS 2.0 HyperOS 2.0

Battery

Volume 5000 mAh 6100 mAh
Max Charging Power 90 W 90 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (80 W) Yes (50 W)
Reverse Charging Yes (Wireless) Yes (Wireless)
Fast Charging Yes (52% in 15 min) Yes
Full Charge Time 0:34 h n/a
Battery Life Test
Battery Life
Xiaomi 14 Ultra
22:08
Xiaomi 15S Pro
n/a
Web Browsing09:23 hn/a
Video Playback12:26 hn/a
Games04:35 hn/a
Standby Mode109 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 5x Optical, 5x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Up to 24FPS
4K Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 240 fps)
Slow Motion 1920 fps (1080p) 960 fps (1080p)
Wide-angle lens 122 ° 115 °
Lenses count Standard: 50 MP
Telephoto: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Depth
Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.6 - 4.0f/1.4
Focal length23 mm23 mm
SensorSony LYT-900Omnivision OVX9000
Sensor size1/1.01/1.31
Pixel size1.6 μm1.2 μm
AutofocusLaser autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix50 MP50 MP
Aperturef/1.8f/2.5
Focal length120 mm120 mm
SensorSony IMX858Sony IMX858
Sensor size1/2.511/2.51
Pixel size0.7 μm0.64 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/1.8f/2.2
Focal length12 mm14 mm
SensorSony IMX858Samsung S5KJN1
Sensor size1/2.511/2.76
Pixel size0.7 μm0.64 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 14 Ultra
144
Xiaomi 15S Pro
n/a
Video quality
Xiaomi 14 Ultra
150
Xiaomi 15S Pro
n/a
Overall camera score
Xiaomi 14 Ultra
149
Xiaomi 15S Pro
n/a
Bokeh75n/a
Preview83n/a
Zoom160n/a

Front camera

Matrix 32 MP 32 MP
Photo resolution 6528x4896 pixels 6528x4896 pixels
Aperture f/2.0 f/2.0
Focal length 22 mm 22 mm
Sensor Omnivision OV32B Omnivision OV32B
Sensor size 1/3.14 1/3
Pixel size 0.7 μm 0.7 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

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
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 5.4
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
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8GSM B2 / B3 / B5 / B8
3G BandsWCDMA 1/2/4/5/6/8/19WCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B48/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)
LTE category20n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Xiaomi 14 Ultra
90.3 dB
Xiaomi 15S Pro
n/a

Other

Class Flagship Flagship
Announced February, 2024 yr May, 2025 yr
Release Date February, 2024 yr May, 2025 yr
Launch Price ($) 1499 n/a
MSRP ($) n/a 1100
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 90 W Yes 90 W

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.

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