Home Phone comparison Samsung Galaxy S25 Ultra and Xiaomi Mi 9T - Which is better?

Samsung Galaxy S25 Ultra vs Xiaomi Mi 9T

94 out 100
Samsung Galaxy S25 Ultra
VS
47 out 100
Xiaomi Mi 9T
Samsung Galaxy S25 Ultra
Xiaomi Mi 9T

Compared 2 smartphones : Samsung Galaxy S25 Ultra Manufactured in February, 2025, with display 6.9 with chipsetQualcomm Snapdragon 8 Elite, vs Xiaomi Mi 9T, Manufactured in June, 2019 with chipsetQualcomm Snapdragon 730. 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
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 5000mAh vs 4000mAh
  • 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 Mi 9T
  • Lighter design: 191g vs 218g

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 12/512 GB
- 12/1024 GB
- 16/1024 GB		 - 6/64 GB
- 6/128 GB
- 8/256 GB

Review

Key Specs Samsung Galaxy S25 Ultra and Xiaomi Mi 9T
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 Mi 9T

Display

Display quality comparison
Type Dynamic AMOLED AMOLED
Size 6.9 in 6.39 in
Resolution 1440x3120 pixels 1080x2340 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 498 ppi 403 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes (1-120 Hz) No
Max brightness 2600 nits 430 nits
HDR support Yes HDR10+ Yes HDR10
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 92.4 % 86.1 %
Features - DCI-P3
- Always-On Display
- DC dimming		 Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy S25 Ultra
1403 nits
Xiaomi Mi 9T
646 nits
sRGB gamut97.7 %95.1 %
PWM (Flicker)240 Hz245 Hz
Response time1 ms3.6 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Samsung Galaxy S25 Ultra], [Xiaomi Mi 9T]

Design & Build

Design and ergonomics comparison
Height 162.8 mm (6.41 in) 156.7 mm (6.17 in)
Width 77.6 mm (3.06 in) 74.3 mm (2.93 in)
Thickness 8.2 mm (0.32 in) 8.8 mm (0.35 in)
Weight 218 g (7.69 oz) 191 g (6.74 oz)
Water resistance IP68 No
Cooling system Vapor chamber n/a
Back panel Glass Glass
Frame Metal Metal
Colors - Black
- Silver
- Gray
- Blue		 - Black
- Blue
- Red
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy S25 Ultra
92.4 %
Xiaomi Mi 9T
86.1 %

Performance

Testing Samsung Galaxy S25 Ultra and Xiaomi Mi 9T In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 730
Max Frequency 4470 MHz 2200 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 6/1.8 (Kryo 470 Silver (Cortex-A55))
- 2/2.2 (Kryo 470 Gold (Cortex-A76))
Process TSMC Samsung
Transistor Size 3 nm 8 nm
Neural Processor Hexagon Qualcomm Hexagon 688
Graphics Adreno 830 Adreno 618
GPU Cores 1536 256
GPU Frequency 1100 MHz 700 MHz
FLOPS 3379.2 GFLOPS 358.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S25 Ultra
3147
Xiaomi Mi 9T
670
Geekbench 6 (Multi-Core)
Samsung Galaxy S25 Ultra
9750
Xiaomi Mi 9T
1797
Geekbench 6 (Single-Core)3147670
Geekbench 6 (Multi-Core)97501797
Geekbench Compute (GPU)25681n/a
Sources: Geekbench v6 [Samsung Galaxy S25 Ultra]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S25 Ultra
2795139
Xiaomi Mi 9T
363688
CPU659871130482
GPU129416764564
Memory47131971242
UX36978297400
NanoReview Score2795139363688
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S25 Ultra
n/a
Xiaomi Mi 9T
875
Max Surface Temp.n/a38.6 °C
Stabilityn/a99 %
Graphics Testn/a5 fps
Graphics Scoren/a875
Sources: 3DMark [Xiaomi Mi 9T]
PCMark 3.0
PCMark 3.0
Samsung Galaxy S25 Ultra
n/a
Xiaomi Mi 9T
8064
Writing scoren/a9099
Web scoren/a6144
Video editingn/a5542
Data manipulationn/a7012
NanoReview Scoren/a8064

Memory

RAM
RAM Size - 12 GB
- 16 GB		 6 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 5333 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		- 64 GB
- 128 GB
Storage TypeUFS 4.0UFS 2.1
Memory CardNoNo

Software

OS Android 15 Android 9.0 (Upgradeable to Android 11)
OS Size 30.4 GB 11.3 GB
UI Skin One UI 7.0 MIUI 12.5

Battery

Volume 5000 mAh 4000 mAh
Max Charging Power 45 W 18 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 (45% in 30 min)
Full Charge Time 0:59 h 1:25 h
Battery Life Test
Battery Life
Samsung Galaxy S25 Ultra
31:10
Xiaomi Mi 9T
21:41
Web Browsing11:10 h08:09 h
Video Playback19:32 h12:36 h
Games06:22 h04:15 h
Standby Mode160 h114 h

Main camera

Matrix 200 MP 48 MP
Photo resolution 16320x12240 pixels 8000x6000 pixels
Zoom Optical, 5x Optical, 2x
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 (720p)
Wide-angle lens 120 ° 124 °
Lenses count Standard: 200 MP
Telephoto: 50 MP
Telephoto: 12 MP
Ultra-wide: 50 MP		 Standard: 48 MP
Telephoto: 8 MP
Ultra-wide: 13 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix200 MP48 MP
Aperturef/1.7f/1.8
Focal length23 mm26 mm
SensorSamsung ISOCELL S5KHP2Sony IMX582
Sensor size1/1.31/2
Pixel size0.6 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Telephoto
Matrix50 MP8 MP
Aperturef/3.4f/2.4
Focal length111 mm53 mm
SensorSony IMX854Omnivision OV8865
Sensor size1/2.521/4
Pixel size0.7 μm1.12 μm
StabilizationOpticalDigital
Ultra-wide lens
Matrix50 MP13 MP
Aperturef/1.9f/2.4
Focal length13 mm12 mm
SensorSamsung ISOCELL S5KJN3Samsung S5K3L6
Sensor size1/2.51/3.1
Pixel size0.7 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S25 Ultra
144
Xiaomi Mi 9T
n/a
Video quality
Samsung Galaxy S25 Ultra
143
Xiaomi Mi 9T
n/a
Overall camera score
Samsung Galaxy S25 Ultra
146
Xiaomi Mi 9T
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 5184x3880 pixels
Aperture f/2.2 f/2.2
Focal length 26 mm 18 mm
Sensor Samsung S5K3LU Samsung S5K3T2
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
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM850, GSM900, DCS1800, PCS1900GSM 850, GSM 900, GSM 1800, GSM 1900
3G BandsUMTS B1(2100),B2(1900),B4(AWS),B5(850),B8(900)HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B18/B19/B20/B25/B26/B28/B29/B30/B66/B71)LTE (B800/B850/B900/B1800/B2100/B2300/B2500/B2600)
LTE categoryn/a15
5G SupportYesNo

Sound

Speakers Stereo Mono
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 Mi 9T
89 dB

Other

Class Flagship Mid-range
Announced January, 2025 yr May, 2019 yr
Release Date February, 2025 yr June, 2019 yr
Launch Price ($) 1299 290
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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