Home Phone comparison Xiaomi 15 Ultra and Samsung Galaxy S25 Plus - Which is better?

Xiaomi 15 Ultra vs Samsung Galaxy S25 Plus

95 out 100
Xiaomi 15 Ultra
VS
91 out 100
Samsung Galaxy S25 Plus
Xiaomi 15 Ultra
Samsung Galaxy S25 Plus

Compared 2 smartphones : Xiaomi 15 Ultra Manufactured in February, 2025, with display 6.73 with chipsetQualcomm Snapdragon 8 Elite, vs Samsung Galaxy S25 Plus, Manufactured in February, 2025with chipsetQualcomm Snapdragon 8 Elite. 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 Xiaomi 15 Ultra
  • Larger display: 6.73in
  • Higher pixel density: 522ppi
  • Higher battery capacity: 5410mAh vs 4900mAh
  • Newer Bluetooth version: 6.0 vs 5.4
  • Infrared port
  • Includes charger
Reasons to choose Samsung Galaxy S25 Plus
  • Lighter design: 190g vs 226g

Versions

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

Review

Key Specs Xiaomi 15 Ultra and Samsung Galaxy S25 Plus
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:
Xiaomi 15 Ultra
vs
Samsung Galaxy S25 Plus

Display

Display quality comparison
Type AMOLED Dynamic AMOLED
Size 6.73 in 6.7 in
Resolution 1440x3200 pixels 1440x3120 pixels
Aspect ratio 20:9 19.5:9
Pixel density 522 ppi 513 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max brightness n/a 2600 nits
HDR support Yes Dolby Vision Yes HDR10+
Touch Sampling Rate 300 Hz 240 Hz
Screen-to-body ratio 90 % 91.7 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Xiaomi 15 Ultra
1599 nits
Samsung Galaxy S25 Plus
1444 nits
sRGB gamut99.7 %96.8 %
PWM (Flicker)120 Hz240 Hz
Response time1 ms1 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Xiaomi 15 Ultra], [Samsung Galaxy S25 Plus]

Design & Build

Design and ergonomics comparison
Height 161.3 mm (6.35 in) 158.4 mm (6.24 in)
Width 75.3 mm (2.96 in) 75.8 mm (2.98 in)
Thickness 9.35 mm (0.37 in) 7.3 mm (0.29 in)
Weight 226 g (7.97 oz) 190 g (6.7 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Black
- Silver
- Green		 - Black
- Silver
- Gray
- Blue
- Green
- Pink
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Xiaomi 15 Ultra
90 %
Samsung Galaxy S25 Plus
91.7 %

Performance

Testing Xiaomi 15 Ultra and Samsung Galaxy S25 Plus In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Elite
Max Frequency 4320 MHz 4470 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 Adreno 830
GPU Cores 1536 1536
GPU Frequency 1100 MHz 1100 MHz
FLOPS 3379.2 GFLOPS 3379.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 15 Ultra
3008
Samsung Galaxy S25 Plus
3087
Geekbench 6 (Multi-Core)
Xiaomi 15 Ultra
9065
Samsung Galaxy S25 Plus
9762
Geekbench 6 (Single-Core)30083087
Geekbench 6 (Multi-Core)90659762
Geekbench Compute (GPU)n/a25122
Sources: Geekbench v6 [Xiaomi 15 Ultra], [Samsung Galaxy S25 Plus]
AnTuTu 10
AnTuTu 10
Xiaomi 15 Ultra
2544373
Samsung Galaxy S25 Plus
2136093
CPU558586466147
GPU10401611014939
Memory520300326456
UX425326328551
NanoReview Score25443732136093

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz 5333 MHz
Channels 2 2
Storage
Storage Capacity256 GB- 256 GB
- 512 GB
Storage TypeUFS 4.1UFS 4.0
Memory CardNoNo

Software

OS Android 15 Android 15
OS Size 23.9 GB 29.1 GB
UI Skin HyperOS 2.0 One UI 7.0

Battery

Volume 5410 mAh 4900 mAh
Max Charging Power 90 W 45 W
Battery Type Silicon Carbon (Si/C) Li-ion
Removable No No
Wireless Charging Yes (80 W) Yes (15 W)
Reverse Charging Yes (Wireless) Yes (Wireless)
Fast Charging Yes (72% in 30 min) Yes (75% in 30 min)
Full Charge Time 0:51 h 0:59 h
Battery Life Test
Battery Life
Xiaomi 15 Ultra
30:03
Samsung Galaxy S25 Plus
28:09
Web Browsing12:19 h10:20 h
Video Playback18:43 h18:29 h
Games06:45 h06:19 h
Standby Mode141 h137 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8160x6120 pixels
Zoom Optical, 4.3x Optical, 3x
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 60 fps)
Slow Motion 1920 fps (1080p) 240 fps (1080p)
Wide-angle lens 115 ° 120 °
Lenses count Standard: 50 MP
Telephoto: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Depth		 Standard: 50 MP
Telephoto: 10 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.63f/1.8
Focal length23 mm24 mm
SensorSony LYT-900Samsung ISOCELL S5KGN3
Sensor size1/1.01/1.56
Pixel size1.6 μm1 μm
AutofocusLaser autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix200 MP10 MP
Aperturef/2.6f/2.4
Focal length100 mm67 mm
SensorSamsung ISOCELL S5KHP9Samsung ISOCELL S5K3K1
Sensor size1/1.41/3.94
Pixel size0.56 μm1 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP12 MP
Aperturef/2.2f/2.2
Focal length14 mm13 mm
SensorSamsung S5KJN5Sony IMX564
Sensor size1/2.761/2.55
Pixel size0.64 μm1.4 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 15 Ultra
158
Samsung Galaxy S25 Plus
n/a
Video quality
Xiaomi 15 Ultra
134
Samsung Galaxy S25 Plus
n/a
Overall camera score
Xiaomi 15 Ultra
153
Samsung Galaxy S25 Plus
n/a
Bokeh80n/a
Preview89n/a
Sources: DxOMark [Xiaomi 15 Ultra]

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 1/3.2
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

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 6.0 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 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 *YesYes
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8GSM850,GSM900,DCS1800,PCS1900
3G BandsWCDMA 1/2/4/5/6/8/19UMTS B1(2100),B2(1900),B4(AWS),B5(850),B8(900)
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B18/B19/B20/B25/B26/B28/B29/B30/B66/B71)
5G SupportYesYes

Sound

Speakers n/a Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi 15 Ultra
92.1 dB
Samsung Galaxy S25 Plus
90.9 dB

Other

Class Flagship Flagship
Announced February, 2025 yr January, 2025 yr
Release Date February, 2025 yr February, 2025 yr
Launch Price ($) n/a 999
MSRP ($) 1099 n/a
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 15 Ultra:

The Chinese version of the Xiaomi 15 Ultra has a 6000 mAh battery, while the international model comes with 5410 mAh, leading to a noticeable difference in battery life.

Samsung Galaxy S25 Plus:

You can connect up to 2 eSIMs. The international model has 2 physical SIM slots, while the U.S. model has only one.

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

Results

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