Samsung Galaxy S25 Ultra vs Xiaomi 13 Ultra

Compared 2 smartphones : Samsung Galaxy S25 Ultra Manufactured in February, 2025, with display 6.9 with chipsetQualcomm Snapdragon 8 Elite, vs Xiaomi 13 Ultra, Manufactured in April, 2023 with chipsetQualcomm Snapdragon 8 Gen 2. 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
  • Lighter design: 218g vs 227g
  • Newer Bluetooth version: 5.4 vs 5.3
  • Built-in eSIM
Reasons to choose Xiaomi 13 Ultra
  • Higher pixel density: 522ppi
  • Infrared port
  • Includes charger

Versions

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

Review

Key Specs Samsung Galaxy S25 Ultra and Xiaomi 13 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 6.9 in 6.73 in
Resolution 1440x3120 pixels 1440x3200 pixels
Aspect ratio 19.5:9 20:9
Pixel density 498 ppi 522 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness 2600 nits 1300 nits
HDR support Yes HDR10+ Yes Dolby Vision
Touch Sampling Rate 240 Hz 240 Hz
Screen-to-body ratio 92.4 % 89.7 %
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 13 Ultra
1201 nits
sRGB gamut97.7 %97.4 %
PWM (Flicker)240 Hz120 Hz
Response time1 ms1 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 162.8 mm (6.41 in) 163.18 mm (6.42 in)
Width 77.6 mm (3.06 in) 74.64 mm (2.94 in)
Thickness 8.2 mm (0.32 in) 9.06 mm (0.36 in)
Weight 218 g (7.69 oz) 227 g (8.01 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass Eco Leather
Frame Metal Metal
Colors - Black
- Silver
- Gray
- Blue
- White
- Black
- Green
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy S25 Ultra
92.4 %
Xiaomi 13 Ultra
89.7 %

Performance

Testing Samsung Galaxy S25 Ultra and Xiaomi 13 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Gen 2
Max Frequency 4470 MHz 3200 MHz
CPU Cores 8 (2 + 6) 8 (1 + 2 + 2 + 3)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
- 3/2 (Cortex-A510)
- 2/2.8 (Cortex-A710)
- 2/2.8 (Cortex-A715)
- 1/3.2 (Cortex-X3)
Process TSMC TSMC
Transistor Size 3 nm 4 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 Adreno 740
GPU Cores 1536 1536
GPU Frequency 1100 MHz 680 MHz
FLOPS 3379.2 GFLOPS 2089 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S25 Ultra
3147
Xiaomi 13 Ultra
1995
Geekbench 6 (Multi-Core)
Samsung Galaxy S25 Ultra
9750
Xiaomi 13 Ultra
5419
Geekbench 6 (Single-Core)31471995
Geekbench 6 (Multi-Core)97505419
Geekbench Compute (GPU)25681n/a
AnTuTu 10
AnTuTu 10
Samsung Galaxy S25 Ultra
2795139
Xiaomi 13 Ultra
1524921
CPU659871389140
GPU1294167596405
Memory471319297015
UX369782242361
NanoReview Score27951391524921
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S25 Ultra
n/a
Xiaomi 13 Ultra
11992
Max Surface Temp.n/a52 °C
Stabilityn/a89 %
Graphics Testn/a71 fps
Graphics Scoren/a11992

Memory

RAM
RAM Size - 12 GB
- 16 GB
- 12 GB
- 16 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz 3200 MHz
Channels 2 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB
- 256 GB
- 512 GB
- 1024 GB
Storage TypeUFS 4.0UFS 4.0
Memory CardNoNo

Software

OS Android 15 Android 13 (Upgradeable to Android 14)
OS Size 30.4 GB n/a
UI Skin One UI 7.0 HyperOS 1.0

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 45 W 90 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging Yes (25 W) Yes (50 W)
Reverse Charging Yes (Wireless) Yes
Fast Charging Yes (72% in 30 min) Yes (58% in 15 min)
Full Charge Time 0:59 h 0:40 h
Battery Life Test
Battery Life
Samsung Galaxy S25 Ultra
31:10
Xiaomi 13 Ultra
23:30
Web Browsing11:10 h09:36 h
Video Playback19:32 h13:10 h
Games06:22 h05:28 h
Standby Mode160 h117 h

Main camera

Matrix 200 MP 503 MP
Photo resolution 16320x12240 pixels 8192x6144 pixels
Zoom Optical, 5x Optical, 5x
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 (1080p)
Wide-angle lens 120 ° 122 °
Lenses count Standard: 200 MP
Telephoto: 50 MP
Telephoto: 12 MP
Ultra-wide: 50 MP
Standard: 50.3 MP
Telephoto: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Depth
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix200 MP503 MP
Aperturef/1.7f/1.9 - 4.0
Focal length23 mm23 mm
SensorSamsung ISOCELL S5KHP2Sony IMX989
Sensor size1/1.31/1
Pixel size0.6 μm1.6 μm
AutofocusPhase autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MP50 MP
Aperturef/3.4f/3.0
Focal length111 mm120 mm
SensorSony IMX854Sony IMX858
Sensor size1/2.521/2.51
Pixel size0.7 μm0.64 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/1.9f/1.8
Focal length13 mm12 mm
SensorSamsung ISOCELL S5KJN3Sony IMX858
Sensor size1/2.51/2.51
Pixel size0.7 μm0.64 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S25 Ultra
144
Xiaomi 13 Ultra
138
Video quality
Samsung Galaxy S25 Ultra
143
Xiaomi 13 Ultra
137
Overall camera score
Samsung Galaxy S25 Ultra
146
Xiaomi 13 Ultra
140
Bokeh7065
Preview8172
Zoom149147

Front camera

Matrix 12 MP 32 MP
Photo resolution 4000x3000 pixels 6528x4896 pixels
Aperture f/2.2 f/2.0
Focal length 26 mm 22 mm
Sensor Samsung S5K3LU CMOS
Sensor size 1/3.2 1/3.14
Pixel size 1.12 μm 0.7 μm
Autofocus Phase autofocus (Dual Pixel) Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 60 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Samsung Galaxy S25 Ultra
n/a
Xiaomi 13 Ultra
123
Video quality
Samsung Galaxy S25 Ultra
n/a
Xiaomi 13 Ultra
137

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
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 5.3
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort Yes DP 1.2 Yes DP 1.2
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 B3 / B5 / B8
3G BandsUMTS B1(2100),B2(1900),B4(AWS),B5(850),B8(900)WCDMA B1 / B4 / B5 / B6 / B8 / B19
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/B3/B4/B5/B7/B8/B12/B17/B18/B19/B26/B34/B38/B39/B40/B41/B42)
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 13 Ultra
89.5 dB

Other

Class Flagship Flagship
Announced January, 2025 yr April, 2023 yr
Release Date February, 2025 yr April, 2023 yr
Launch Price ($) 1299 1499
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 90 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.

Survey

Which smartphone would you pick?
1 (50%)
1 (50%)
Total Votes: 2

User comments

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