Samsung Galaxy S25 Ultra vs Xiaomi Poco F4

Compared 2 smartphones : Samsung Galaxy S25 Ultra Manufactured in February, 2025, with display 6.9 with chipsetQualcomm Snapdragon 8 Elite, vs Xiaomi Poco F4, Manufactured in June, 2022 with chipsetQualcomm Snapdragon 870. 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 pixel density: 498ppi
  • Higher battery capacity: 5000mAh vs 4500mAh
  • Newer Bluetooth version: 5.4 vs 5.2
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM
Reasons to choose Xiaomi Poco F4
  • Lighter design: 195g 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
- 6/128 GB
- 8/128 GB
- 8/256 GB
- 12/256 GB

Review

Key Specs Samsung Galaxy S25 Ultra and Xiaomi Poco F4
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 6.67 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 500 nits
HDR support Yes HDR10+ Yes HDR10+
Touch Sampling Rate 240 Hz 480 Hz
Screen-to-body ratio 92.4 % 86.6 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy S25 Ultra
1403 nits
Xiaomi Poco F4
997 nits
sRGB gamut97.7 %97.3 %
PWM (Flicker)240 Hz443 Hz
Response time1 ms1 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 162.8 mm (6.41 in) 163.2 mm (6.43 in)
Width 77.6 mm (3.06 in) 75.95 mm (2.99 in)
Thickness 8.2 mm (0.32 in) 7.7 mm (0.3 in)
Weight 218 g (7.69 oz) 195 g (6.88 oz)
Water resistance IP68 IP53
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Plastic
Colors - Black
- Silver
- Gray
- Blue
- Black
- Silver
- Green
Fingerprint sensor Yes In-Display Yes In-Button
Screen-to-body ratio
Samsung Galaxy S25 Ultra
92.4 %
Xiaomi Poco F4
86.6 %

Performance

Testing Samsung Galaxy S25 Ultra and Xiaomi Poco F4 In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 870
Max Frequency 4470 MHz 3200 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 (Kryo 585 Silver (Cortex-A55))
- 3/2.42 (Kryo 585 Gold (Cortex-A77))
- 1/3.2 (Kryo 585 Prime (Cortex-A77))
Process TSMC TSMC
Transistor Size 3 nm 7 nm
Neural Processor Hexagon Hexagon 698
Graphics Adreno 830 Adreno 650
GPU Cores 1536 768
GPU Frequency 1100 MHz 670 MHz
FLOPS 3379.2 GFLOPS 1029.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S25 Ultra
3147
Xiaomi Poco F4
1285
Geekbench 6 (Multi-Core)
Samsung Galaxy S25 Ultra
9750
Xiaomi Poco F4
3280
Geekbench 6 (Single-Core)31471285
Geekbench 6 (Multi-Core)97503280
Geekbench Compute (GPU)25681n/a
AnTuTu 10
AnTuTu 10
Samsung Galaxy S25 Ultra
2795139
Xiaomi Poco F4
843585
CPU659871230042
GPU1294167286377
Memory471319132678
UX369782194488
NanoReview Score2795139843585
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S25 Ultra
n/a
Xiaomi Poco F4
4334
Max Surface Temp.n/a35.6 °C
Stabilityn/a90 %
Graphics Testn/a25 fps
Graphics Scoren/a4334

Memory

RAM
RAM Size - 12 GB
- 16 GB
- 6 GB
- 8 GB
- 12 GB
Memory Type LPDDR5X LPDDR5
Memory Frequency 5333 MHz n/a
Channels 2 4
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 24 GB
UI Skin One UI 7.0 HyperOS 1.0

Battery

Volume 5000 mAh 4500 mAh
Max Charging Power 45 W 67 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 (50% in 15 min)
Full Charge Time 0:59 h 0:39 h
Battery Life Test
Battery Life
Samsung Galaxy S25 Ultra
31:10
Xiaomi Poco F4
19:09
Web Browsing11:10 h07:39 h
Video Playback19:32 h12:20 h
Games06:22 h04:57 h
Standby Mode160 h88 h

Main camera

Matrix 200 MP 64 MP
Photo resolution 16320x12240 pixels 9000x7000 pixels
Zoom Optical, 5x Digital
Flash LED LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) No
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) 960 fps (720p)
Wide-angle lens 120 ° 119 °
Lenses count Standard: 200 MP
Telephoto: 50 MP
Telephoto: 12 MP
Ultra-wide: 50 MP
Standard: 64 MP
Ultra-wide: 8 MP
Macro: 2 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
Main lens
Matrix200 MP64 MP
Aperturef/1.7f/1.8
Focal length23 mm25 mm
SensorSamsung ISOCELL S5KHP2OmniVision OV64B
Sensor size1/1.31/2
Pixel size0.6 μm0.7 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
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 size1/2.51/4.0
Pixel size0.7 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S25 Ultra
144
Xiaomi Poco F4
n/a
Video quality
Samsung Galaxy S25 Ultra
143
Xiaomi Poco F4
n/a
Overall camera score
Samsung Galaxy S25 Ultra
146
Xiaomi Poco F4
n/a
Bokeh70n/a
Preview81n/a
Zoom149n/a

Front camera

Matrix 12 MP 20 MP
Photo resolution 4000x3000 pixels 4608x3456 pixels
Aperture f/2.2 f/2.45
Focal length 26 mm n/a
Sensor Samsung S5K3LU Sony IMX596
Sensor size 1/3.2 1/2
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 6 (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, HID, 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
- OTG
DisplayPort Yes DP 1.2 n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
- NAVIC
NFC* Yes Varies by region
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 1900MHz
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/B17/B18/B19/B20/B26/B28/B38/B40/B41)
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 Poco F4
86.1 dB

Other

Class Flagship Flagship
Announced January, 2025 yr June, 2022 yr
Release Date February, 2025 yr June, 2022 yr
Launch Price ($) 1299 400
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 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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