Home Phone comparison Samsung Galaxy S25 Ultra and Xiaomi Poco X6 - Which is better?

Samsung Galaxy S25 Ultra vs Xiaomi Poco X6

94 out 100
Samsung Galaxy S25 Ultra
VS
60 out 100
Xiaomi Poco X6
Samsung Galaxy S25 Ultra
Xiaomi Poco X6

Compared 2 smartphones : Samsung Galaxy S25 Ultra Manufactured in February, 2025, with display 6.9 with chipsetQualcomm Snapdragon 8 Elite, vs Xiaomi Poco X6, Manufactured in January, 2024 with chipsetQualcomm Snapdragon 7s Gen 2. 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 5.2
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM
Reasons to choose Xiaomi Poco X6
  • Lighter design: 181g vs 218g
  • Higher battery capacity: 5100mAh vs 5000mAh
  • Infrared port
  • Includes charger

Versions

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

Review

Key Specs Samsung Galaxy S25 Ultra and Xiaomi Poco X6
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 X6

Display

Display quality comparison
Type Dynamic AMOLED AMOLED
Size 6.9 in 6.67 in
Resolution 1440x3120 pixels 1220x2712 pixels
Aspect ratio 19.5:9 20:9
Pixel density 498 ppi 446 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (30-120 Hz)
Max brightness 2600 nits 1200 nits
HDR support Yes HDR10+ Yes Dolby Vision
Touch Sampling Rate 240 Hz 240 Hz
Screen-to-body ratio 92.4 % 89.8 %
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 Poco X6
1328 nits
sRGB gamut97.7 %n/a
PWM (Flicker)240 Hzn/a
Response time1 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy S25 Ultra]

Design & Build

Design and ergonomics comparison
Height 162.8 mm (6.41 in) 161.15 mm (6.34 in)
Width 77.6 mm (3.06 in) 74.24 mm (2.92 in)
Thickness 8.2 mm (0.32 in) 7.98 mm (0.31 in)
Weight 218 g (7.69 oz) 181 g (6.38 oz)
Water resistance IP68 IP54
Cooling system Vapor chamber Vapor chamber
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Silver
- Gray
- Blue		 - White
- Black
- Blue
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy S25 Ultra
92.4 %
Xiaomi Poco X6
89.8 %

Performance

Testing Samsung Galaxy S25 Ultra and Xiaomi Poco X6 In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 7s Gen 2
Max Frequency 4470 MHz 2400 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 4/1.95 (Cortex-A55)
- 4/2.4 (Cortex-A78)
Process TSMC Samsung
Transistor Size 3 nm 4 nm
Neural Processor Hexagon Yes
Graphics Adreno 830 Adreno 710
GPU Cores 1536 256
GPU Frequency 1100 MHz 940 MHz
FLOPS 3379.2 GFLOPS 481.3 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S25 Ultra
3147
Xiaomi Poco X6
1030
Geekbench 6 (Multi-Core)
Samsung Galaxy S25 Ultra
9750
Xiaomi Poco X6
2980
Geekbench 6 (Single-Core)31471030
Geekbench 6 (Multi-Core)97502980
Geekbench Compute (GPU)25681n/a
Sources: Geekbench v6 [Samsung Galaxy S25 Ultra], [Xiaomi Poco X6]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S25 Ultra
2795139
Xiaomi Poco X6
593842
CPU659871202442
GPU1294167116960
Memory471319126346
UX369782148094
NanoReview Score2795139593842

Memory

RAM
RAM Size - 12 GB
- 16 GB		 - 8 GB
- 12 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 5333 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		- 256 GB
- 512 GB
Storage TypeUFS 4.0UFS 2.2
Memory CardNoNo

Software

OS Android 15 Android 13 (Upgradeable to Android 15)
OS Size 30.4 GB n/a
UI Skin One UI 7.0 HyperOS 2.0

Battery

Volume 5000 mAh 5100 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 (78% in 30 min)
Full Charge Time 0:59 h 0:48 h
Battery Life Test
Battery Life
Samsung Galaxy S25 Ultra
31:10
Xiaomi Poco X6
18:31
Web Browsing11:10 h06:45 h
Video Playback19:32 h10:18 h
Games06:22 h04:35 h
Standby Mode160 h99 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 30 fps)
1080p Recording Yes (Up to 240 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 120 fps (720p)
Wide-angle lens 120 ° 120 °
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 S5KJN3Sony IMX355
Sensor size1/2.51/4
Pixel size0.7 μm1.14 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S25 Ultra
144
Xiaomi Poco X6
n/a
Video quality
Samsung Galaxy S25 Ultra
143
Xiaomi Poco X6
n/a
Overall camera score
Samsung Galaxy S25 Ultra
146
Xiaomi Poco X6
n/a
Bokeh70n/a
Preview81n/a
Zoom149n/a
Sources: DxOMark [Samsung Galaxy S25 Ultra]

Front camera

Matrix 12 MP 16 MP
Photo resolution 4000x3000 pixels 4608x3456 pixels
Aperture f/2.2 f/2.4
Focal length 26 mm n/a
Sensor Samsung S5K3LU Omnivision OV16A1Q
Sensor size 1/3.2 1/3.06
Pixel size 1.12 μm 1 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 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 5.2
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
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 850/900/1800/1900MHz
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/B13/B17/B18/B19/B20/B26/B28/B32/B66)
LTE categoryn/a18
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No Yes
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy S25 Ultra
93 dB
Xiaomi Poco X6
n/a

Other

Class Flagship Mid-range
Announced January, 2025 yr January, 2024 yr
Release Date February, 2025 yr January, 2024 yr
Launch Price ($) 1299 249
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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