Home Phone comparison Samsung Galaxy S25 Ultra and Xiaomi Poco X3 Pro - Which is better?

Samsung Galaxy S25 Ultra vs Xiaomi Poco X3 Pro

94 out 100
Samsung Galaxy S25 Ultra
VS
55 out 100
Xiaomi Poco X3 Pro
Samsung Galaxy S25 Ultra
Xiaomi Poco X3 Pro

Compared 2 smartphones : Samsung Galaxy S25 Ultra Manufactured in February, 2025, with display 6.9 with chipsetQualcomm Snapdragon 8 Elite, vs Xiaomi Poco X3 Pro, Manufactured in April, 2021with chipsetQualcomm Snapdragon 860. 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 Samsung Galaxy S25 Ultra
  • Larger display: 6.9in
  • Higher pixel density: 498ppi
  • Newer Bluetooth version: 5.4 vs 5
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM
Reasons to choose Xiaomi Poco X3 Pro
  • Lighter design: 215g vs 218g
  • Higher battery capacity: 5160mAh vs 5000mAh
  • Infrared port

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 12/512 GB
- 12/1024 GB
- 16/1024 GB		 - 6/125 GB
- 6/128 GB
- 6/256 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Samsung Galaxy S25 Ultra and Xiaomi Poco X3 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
Smartphones:
Galaxy S25 Ultra
vs
Xiaomi Poco X3 Pro

Display

Display quality comparison
Type Dynamic AMOLED IPS LCD
Size 6.9 in 6.67 in
Resolution 1440x3120 pixels 1080x2400 pixels
Aspect ratio 19.5:9 20:9
Pixel density 498 ppi 395 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) No
Max brightness 2600 nits 450 nits
HDR support Yes HDR10+ Yes HDR10
Touch Sampling Rate 240 Hz 240 Hz
Screen-to-body ratio 92.4 % 84.6 %
Features - DCI-P3
- Always-On Display
- DC dimming		 n/a
Display test
Peak brightness (auto)
Samsung Galaxy S25 Ultra
1403 nits
Xiaomi Poco X3 Pro
530 nits
sRGB gamut97.7 %95.1 %
PWM (Flicker)240 Hz2404 Hz
Response time1 ms37.4 ms
Contrast∞ Infinite995:1
Sources: NotebookCheck [Samsung Galaxy S25 Ultra], [Xiaomi Poco X3 Pro]

Design & Build

Design and ergonomics comparison
Height 162.8 mm (6.41 in) 165.3 mm (6.51 in)
Width 77.6 mm (3.06 in) 76.8 mm (3.02 in)
Thickness 8.2 mm (0.32 in) 9.4 mm (0.37 in)
Weight 218 g (7.69 oz) 215 g (7.58 oz)
Water resistance IP68 IP53
Cooling system Vapor chamber Vapor chamber
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Silver
- Gray
- Blue		 - Black
- Gold
- Blue
Fingerprint sensor Yes In-Display Yes In-Button
Screen-to-body ratio
Samsung Galaxy S25 Ultra
92.4 %
Xiaomi Poco X3 Pro
84.6 %

Performance

Testing Samsung Galaxy S25 Ultra and Xiaomi Poco X3 Pro In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 860
Max Frequency 4470 MHz 2960 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-A55 (Kryo 485 Silver))
- 3/2.42 (Cortex-A76 (Kryo 485 Gold))
- 1/2.96 (Cortex-A76 (Kryo 485 Prime))
Process TSMC TSMC
Transistor Size 3 nm 7 nm
Neural Processor Hexagon Hexagon 690
Graphics Adreno 830 Adreno 640
GPU Cores 1536 768
GPU Frequency 1100 MHz 675 MHz
FLOPS 3379.2 GFLOPS 1036.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S25 Ultra
3147
Xiaomi Poco X3 Pro
973
Geekbench 6 (Multi-Core)
Samsung Galaxy S25 Ultra
9750
Xiaomi Poco X3 Pro
2589
Geekbench 6 (Single-Core)3147973
Geekbench 6 (Multi-Core)97502589
Geekbench Compute (GPU)25681n/a
Sources: Geekbench v6 [Samsung Galaxy S25 Ultra]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S25 Ultra
2795139
Xiaomi Poco X3 Pro
642297
CPU659871181709
GPU1294167155743
Memory471319126967
UX369782177878
NanoReview Score2795139642297
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S25 Ultra
n/a
Xiaomi Poco X3 Pro
3456
Max Surface Temp.n/a44.1 °C
Stabilityn/a97 %
Graphics Testn/a20 fps
Graphics Scoren/a3456
Sources: 3DMark [Xiaomi Poco X3 Pro]
PCMark 3.0
PCMark 3.0
Samsung Galaxy S25 Ultra
n/a
Xiaomi Poco X3 Pro
10579
Writing scoren/a13393
Web scoren/a8062
Video editingn/a6035
Data manipulationn/a8470
NanoReview Scoren/a10579

Memory

RAM
RAM Size - 12 GB
- 16 GB		 - 6 GB
- 8 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 5333 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		- 128 GB
- 256 GB
Storage TypeUFS 4.0UFS 3.1
Memory CardNoMicroSD

Software

OS Android 15 Android 11 (Upgradeable to Android 13)
OS Size 30.4 GB 13 GB
UI Skin One UI 7.0 MIUI 14

Battery

Volume 5000 mAh 5160 mAh
Max Charging Power 45 W 33 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging Yes (25 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (72% in 30 min) Yes (55% in 30 min)
Full Charge Time 0:59 h 1:15 h
Battery Life Test
Battery Life
Samsung Galaxy S25 Ultra
31:10
Xiaomi Poco X3 Pro
22:40
Web Browsing11:10 h08:43 h
Video Playback19:32 h12:45 h
Games06:22 h05:20 h
Standby Mode160 h117 h

Main camera

Matrix 200 MP 48 MP
Photo resolution 16320x12240 pixels 8000x6000 pixels
Zoom Optical, 5x Digital
Flash LED Dual LED
Stabilization Optical Digital
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 120 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 240 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 960 fps (1080p)
Wide-angle lens 120 ° 119 °
Lenses count Standard: 200 MP
Telephoto: 50 MP
Telephoto: 12 MP
Ultra-wide: 50 MP		 Standard: 48 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix200 MP48 MP
Aperturef/1.7f/1.8
Focal length23 mm26 mm
SensorSamsung ISOCELL S5KHP2Sony IMX582
Sensor size1/1.31/2.0
Pixel size0.6 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Telephoto
Matrix50 MPn/a
Aperturef/3.4n/a
Focal length111 mmn/a
SensorSony IMX854n/a
Sensor size1/2.52n/a
Pixel size0.7 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MP8 MP
Aperturef/1.9f/2.2
Focal length13 mmn/a
SensorSamsung ISOCELL S5KJN3Omnivision OV8856
Sensor size1/2.51/4
Pixel size0.7 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S25 Ultra
144
Xiaomi Poco X3 Pro
n/a
Video quality
Samsung Galaxy S25 Ultra
143
Xiaomi Poco X3 Pro
n/a
Overall camera score
Samsung Galaxy S25 Ultra
146
Xiaomi Poco X3 Pro
n/a
Bokeh70n/a
Preview81n/a
Zoom149n/a
Sources: DxOMark [Samsung Galaxy S25 Ultra]

Front camera

Matrix 12 MP 20 MP
Photo resolution 4000x3000 pixels 5480x3648 pixels
Aperture f/2.2 f/2.2
Focal length 26 mm 25 mm
Sensor Samsung S5K3LU CMOS
Sensor size 1/3.2 1/3.4
Pixel size 1.12 μm 0.8 μm
Autofocus Phase autofocus (Dual Pixel) No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 5
Bluetooth features LE LE, A2DP
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- USB-Host mode
- OTG
DisplayPort Yes DP 1.2 n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoYes
2G BandsGSM850, GSM900, DCS1800, PCS1900GSM B2/3/5/8
3G BandsUMTS B1(2100),B2(1900),B4(AWS),B5(850),B8(900)UMTC B1/2/4/5/8
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/B20/B28/B32/B38/B40/B41)
LTE categoryn/a20
5G SupportYesNo

Sound

Speakers Stereo Stereo
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes No
Speaker Test
Max Volume
Samsung Galaxy S25 Ultra
93 dB
Xiaomi Poco X3 Pro
88.3 dB

Other

Class Flagship Mid-range
Announced January, 2025 yr March, 2021 yr
Release Date February, 2025 yr April, 2021 yr
Launch Price ($) 1299 250
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 n/a

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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