Samsung Galaxy S25 Plus vs Xiaomi 12S Ultra

Compared 2 smartphones : Samsung Galaxy S25 Plus Manufactured in February, 2025, with display 6.7 with chipsetQualcomm Snapdragon 8 Elite, vs Xiaomi 12S Ultra, Manufactured in July, 2022 with chipsetQualcomm Snapdragon 8 Plus Gen 1. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy S25 Plus
  • Lighter design: 190g vs 225g
  • Higher battery capacity: 4900mAh vs 4860mAh
  • Newer Bluetooth version: 5.4 vs 5.2
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM
Reasons to choose Xiaomi 12S Ultra
  • Larger display: 6.73in
  • Higher pixel density: 521ppi
  • Infrared port
  • Includes charger

Versions

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

Review

Key Specs Samsung Galaxy S25 Plus and Xiaomi 12S 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 Dynamic AMOLED AMOLED
Size 6.7 in 6.73 in
Resolution 1440x3120 pixels 1440x3200 pixels
Aspect ratio 19.5:9 20:9
Pixel density 513 ppi 521 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (60-120 Hz)
Max brightness 2600 nits 1000 nits
HDR support Yes HDR10+ Yes HDR10+
Touch Sampling Rate 240 Hz 240 Hz
Screen-to-body ratio 91.7 % 89.4 %
Features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S25 Plus
1444 nits
Xiaomi 12S Ultra
1064 nits
sRGB gamut96.8 %99.7 %
PWM (Flicker)240 Hz186 Hz
Response time1 ms2 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 158.4 mm (6.24 in) 163.17 mm (6.42 in)
Width 75.8 mm (2.98 in) 74.92 mm (2.95 in)
Thickness 7.3 mm (0.29 in) 9.06 mm (0.36 in)
Weight 190 g (6.7 oz) 225 g (7.94 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - Black
- Silver
- Gray
- Blue
- Green
- Pink
- Black
- Green
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy S25 Plus
91.7 %
Xiaomi 12S Ultra
89.4 %

Performance

Testing Samsung Galaxy S25 Plus and Xiaomi 12S Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Plus Gen 1
Max Frequency 4470 MHz 3190 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
- 4/2 (Cortex-A510)
- 3/2.75 (Cortex-A710)
- 1/3.2 (Cortex-X2)
Process TSMC TSMC
Transistor Size 3 nm 4 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 Adreno 730
GPU Cores 1536 1024
GPU Frequency 1100 MHz 900 MHz
FLOPS 3379.2 GFLOPS 1843.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S25 Plus
3087
Xiaomi 12S Ultra
1458
Geekbench 6 (Multi-Core)
Samsung Galaxy S25 Plus
9762
Xiaomi 12S Ultra
3970
Geekbench 6 (Single-Core)30871458
Geekbench 6 (Multi-Core)97623970
Geekbench Compute (GPU)25122n/a
AnTuTu 10
AnTuTu 10
Samsung Galaxy S25 Plus
2136093
Xiaomi 12S Ultra
1234229
CPU466147331276
GPU1014939485862
Memory326456182917
UX328551234174
NanoReview Score21360931234229
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S25 Plus
n/a
Xiaomi 12S Ultra
9860
Max Surface Temp.n/a49.2 °C
Stabilityn/a70 %
Graphics Testn/a59 fps
Graphics Scoren/a9860
PCMark 3.0
PCMark 3.0
Samsung Galaxy S25 Plus
n/a
Xiaomi 12S Ultra
13365
Writing scoren/a15792
Web scoren/a11773
Video editingn/a7444
Data manipulationn/a9984
NanoReview Scoren/a13365

Memory

RAM
RAM Size 12 GB - 8 GB
- 12 GB
Memory Type LPDDR5X LPDDR5
Memory Frequency 5333 MHz 3200 MHz
Channels 2 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 256 GB
- 512 GB
Storage TypeUFS 4.0UFS 3.1
Memory CardNoNo

Software

OS Android 15 Android 12
OS Size 29.1 GB 32 GB
UI Skin One UI 7.0 MIUI 13

Battery

Volume 4900 mAh 4860 mAh
Max Charging Power 45 W 67 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging Yes (15 W) Yes (50 W)
Reverse Charging Yes (Wireless) Yes (Wireless)
Fast Charging Yes (75% in 30 min) Yes (73% in 30 min)
Full Charge Time 0:59 h 0:50 h
Battery Life Test
Battery Life
Samsung Galaxy S25 Plus
28:09
Xiaomi 12S Ultra
21:00
Web Browsing10:20 h08:46 h
Video Playback18:29 h13:01 h
Games06:19 h05:25 h
Standby Mode137 h96 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8160x6120 pixels n/a
Zoom Optical, 3x Optical, 5x
Flash LED Dual LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Up to 24FPS
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 3840 fps (720p)
Wide-angle lens 120 ° 128 °
Lenses count Standard: 50 MP
Telephoto: 10 MP
Ultra-wide: 12 MP
Standard: 50 MP
Telephoto: 48 MP
Ultra-wide: 48 MP
Depth: 0.3 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.9
Focal length24 mm23 mm
SensorSamsung ISOCELL S5KGN3Sony IMX989
Sensor size1/1.561/1
Pixel size1 μm1.6 μm
AutofocusPhase autofocus (Dual Pixel)Laser autofocus
StabilizationOpticalOptical
Telephoto
Matrix10 MP48 MP
Aperturef/2.4f/4.1
Focal length67 mm120 mm
SensorSamsung ISOCELL S5K3K1Sony IMX586
Sensor size1/3.941/2.0
Pixel size1 μm0.8 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix12 MP48 MP
Aperturef/2.2f/2.2
Focal length13 mm13 mm
SensorSony IMX564Sony IMX586
Sensor size1/2.551/2.0
Pixel size1.4 μm0.8 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S25 Plus
n/a
Xiaomi 12S Ultra
137
Video quality
Samsung Galaxy S25 Plus
n/a
Xiaomi 12S Ultra
129
Overall camera score
Samsung Galaxy S25 Plus
n/a
Xiaomi 12S Ultra
136
Bokehn/a65
Previewn/a63
Zoomn/a136

Front camera

Matrix 12 MP 32 MP
Photo resolution 4000x3000 pixels 6528x4896 pixels
Aperture f/2.2 f/2.5
Focal length 26 mm 26 mm
Sensor Samsung S5K3LU Omnivision OV32C
Sensor size 1/3.2 1/3.2
Pixel size 1.12 μm 0.7 μm
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Samsung Galaxy S25 Plus
n/a
Xiaomi 12S Ultra
103
Video quality
Samsung Galaxy S25 Plus
n/a
Xiaomi 12S Ultra
132

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 5.2
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort Yes DP 1.2 n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM850,GSM900,DCS1800,PCS1900n/a
3G BandsUMTS B1(2100),B2(1900),B4(AWS),B5(850),B8(900)n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B18/B19/B20/B25/B26/B28/B29/B30/B66/B71)n/a
LTE categoryn/a20
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy S25 Plus
90.9 dB
Xiaomi 12S Ultra
83.2 dB

Other

Class Flagship Flagship
Announced January, 2025 yr July, 2022 yr
Release Date February, 2025 yr July, 2022 yr
Launch Price ($) 999 890
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No Yes 67 W

Note

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

After analyzing the data, we consider Samsung Galaxy S25 Plus the clear winner in this comparison.

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