Samsung Galaxy S25 Ultra vs Xiaomi 12 Pro

Compared 2 smartphones : Samsung Galaxy S25 Ultra Manufactured in February, 2025, with display 6.9 with chipsetQualcomm Snapdragon 8 Elite, vs Xiaomi 12 Pro, Manufactured in December, 2021 with chipsetQualcomm Snapdragon 8 Gen 1. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy S25 Ultra
  • Larger display: 6.9in
  • Higher battery capacity: 5000mAh vs 4600mAh
  • Newer Bluetooth version: 5.4 vs 5.2
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM
Reasons to choose Xiaomi 12 Pro
  • Higher pixel density: 521ppi
  • Lighter design: 204g vs 218g
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 12/512 GB
- 12/1024 GB
- 16/1024 GB
- 8/128 GB
- 8/256 GB
- 12/256 GB

Review

Key Specs Samsung Galaxy S25 Ultra and Xiaomi 12 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.
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 6.9 in 6.73 in
Resolution 1440x3120 pixels 1440x3200 pixels
Aspect ratio 19.5:9 20:9
Pixel density 498 ppi 521 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (60-120 Hz)
Max brightness 2600 nits 970 nits
HDR support Yes HDR10+ Yes Dolby Vision
Touch Sampling Rate 240 Hz 480 Hz
Screen-to-body ratio 92.4 % 89.5 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S25 Ultra
1403 nits
Xiaomi 12 Pro
1049 nits
sRGB gamut97.7 %99.8 %
PWM (Flicker)240 Hz367 Hz
Response time1 ms5 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 162.8 mm (6.41 in) 163.6 mm (6.44 in)
Width 77.6 mm (3.06 in) 74.6 mm (2.94 in)
Thickness 8.2 mm (0.32 in) 8.66 mm (0.34 in)
Weight 218 g (7.69 oz) 204 g (7.2 oz)
Water resistance IP68 No
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - Black
- Silver
- Gray
- Blue
- Black
- Blue
- Green
- Pink
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy S25 Ultra
92.4 %
Xiaomi 12 Pro
89.5 %

Performance

Testing Samsung Galaxy S25 Ultra and Xiaomi 12 Pro In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Gen 1
Max Frequency 4470 MHz 3000 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
- 4/1.8 (Cortex-A510)
- 3/2.5 (Cortex-A710)
- 1/3 (Cortex-X2)
Process TSMC Samsung
Transistor Size 3 nm 4 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 Adreno 730
GPU Cores 1536 1024
GPU Frequency 1100 MHz 818 MHz
FLOPS 3379.2 GFLOPS 1675.3 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S25 Ultra
3147
Xiaomi 12 Pro
1674
Geekbench 6 (Multi-Core)
Samsung Galaxy S25 Ultra
9750
Xiaomi 12 Pro
4029
Geekbench 6 (Single-Core)31471674
Geekbench 6 (Multi-Core)97504029
Geekbench Compute (GPU)25681n/a
AnTuTu 10
AnTuTu 10
Samsung Galaxy S25 Ultra
2795139
Xiaomi 12 Pro
1194018
CPU659871314669
GPU1294167437869
Memory471319204120
UX369782237360
NanoReview Score27951391194018
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S25 Ultra
n/a
Xiaomi 12 Pro
9299
Max Surface Temp.n/a41.2 °C
Stabilityn/a67 %
Graphics Testn/a55 fps
Graphics Scoren/a9299
PCMark 3.0
PCMark 3.0
Samsung Galaxy S25 Ultra
n/a
Xiaomi 12 Pro
11762
Writing scoren/a13132
Web scoren/a10845
Video editingn/a7440
Data manipulationn/a9341
NanoReview Scoren/a11762

Memory

RAM
RAM Size - 12 GB
- 16 GB
- 8 GB
- 12 GB
Memory Type LPDDR5X LPDDR5
Memory Frequency 5333 MHz 3200 MHz
Channels 2 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB
- 128 GB
- 256 GB
Storage TypeUFS 4.0UFS 3.1
Memory CardNoNo

Software

OS Android 15 Android 12 (Upgradeable to Android 14)
OS Size 30.4 GB 26.5 GB
UI Skin One UI 7.0 HyperOS 1.0

Battery

Volume 5000 mAh 4600 mAh
Max Charging Power 45 W 120 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging Yes (25 W) Yes (50 W)
Reverse Charging Yes (Wireless) Yes (Wireless)
Fast Charging Yes (72% in 30 min) Yes (50% in 8 min)
Full Charge Time 0:59 h 0:21 h
Battery Life Test
Battery Life
Samsung Galaxy S25 Ultra
31:10
Xiaomi 12 Pro
16:53
Web Browsing11:10 h06:40 h
Video Playback19:32 h10:08 h
Games06:22 h04:44 h
Standby Mode160 h81 h

Main camera

Matrix 200 MP 50 MP
Photo resolution 16320x12240 pixels 8700x5800 pixels
Zoom Optical, 5x Optical, 2x
Flash 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 240 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 1920 fps (720p)
Wide-angle lens 120 ° 115 °
Lenses count Standard: 200 MP
Telephoto: 50 MP
Telephoto: 12 MP
Ultra-wide: 50 MP
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
Matrix200 MP50 MP
Aperturef/1.7f/1.9
Focal length23 mm24 mm
SensorSamsung ISOCELL S5KHP2Sony IMX707
Sensor size1/1.31/1.28
Pixel size0.6 μm1.22 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix50 MP50 MP
Aperturef/3.4f/1.9
Focal length111 mm48 mm
SensorSony IMX854Samsung JN1
Sensor size1/2.521/2.76
Pixel size0.7 μm0.64 μm
StabilizationOpticalDigital
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/1.9f/2.2
Focal length13 mm14 mm
SensorSamsung ISOCELL S5KJN3Samsung JN1
Sensor size1/2.51/2.76
Pixel size0.7 μm0.64 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S25 Ultra
144
Xiaomi 12 Pro
136
Video quality
Samsung Galaxy S25 Ultra
143
Xiaomi 12 Pro
125
Overall camera score
Samsung Galaxy S25 Ultra
146
Xiaomi 12 Pro
129
Bokeh7070
Preview8170
Zoom149102

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 OV32b40
Sensor size 1/3.2 1/3.14
Pixel size 1.12 μm 0.7 μm
Autofocus Phase autofocus (Dual Pixel) No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) 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 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, PCS1900GSM 850 900 1800 1900 MHz
3G BandsUMTS B1(2100),B2(1900),B4(AWS),B5(850),B8(900)WCDMA B1/2/4/5/6/8/19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B18/B19/B20/B25/B26/B28/B29/B30/B66/B71)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B42/B48/B66)
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 Ultra
93 dB
Xiaomi 12 Pro
84.2 dB

Other

Class Flagship Flagship
Announced January, 2025 yr December, 2021 yr
Release Date February, 2025 yr December, 2021 yr
Launch Price ($) 1299 999
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No Yes 120 W

Note

Samsung Galaxy S25 Ultra:

Supports up to 2 eSIMs. The international model has 2 physical SIM slots, while the U.S. version has 1.","Uses Grade 5 titanium and Corning Gorilla Armor 2 glass on both sides.

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

Results

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

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