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

Samsung Galaxy S25 Ultra vs Xiaomi Redmi 9T

94 out 100
Samsung Galaxy S25 Ultra
VS
46 out 100
Xiaomi Redmi 9T
Samsung Galaxy S25 Ultra
Xiaomi Redmi 9T

Compared 2 smartphones : Samsung Galaxy S25 Ultra Manufactured in February, 2025, with display 6.9 with chipsetQualcomm Snapdragon 8 Elite, vs Xiaomi Redmi 9T, Manufactured in January, 2021 with chipsetQualcomm Snapdragon 662. 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
  • 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 Redmi 9T
  • Lighter design: 198g vs 218g
  • Higher battery capacity: 6000mAh vs 5000mAh
  • Infrared port

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 12/512 GB
- 12/1024 GB
- 16/1024 GB		 - 4/64 GB
- 4/128 GB
- 6/128 GB

Review

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

Display

Display quality comparison
Type Dynamic AMOLED IPS LCD
Size 6.9 in 6.53 in
Resolution 1440x3120 pixels 1080x2340 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 498 ppi 395 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes (1-120 Hz) No
Max brightness 2600 nits 400 nits
HDR support Yes HDR10+ No
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 92.4 % 83.4 %
Features - DCI-P3
- Always-On Display
- DC dimming		 n/a
Display test
Peak brightness (auto)
Samsung Galaxy S25 Ultra
1403 nits
Xiaomi Redmi 9T
436 nits
sRGB gamut97.7 %96.4 %
PWM (Flicker)240 Hz880 Hz
Response time1 ms42 ms
Contrast∞ Infinite1868:1
Sources: NotebookCheck [Samsung Galaxy S25 Ultra], [Xiaomi Redmi 9T]

Design & Build

Design and ergonomics comparison
Height 162.8 mm (6.41 in) 162.3 mm (6.39 in)
Width 77.6 mm (3.06 in) 77.3 mm (3.04 in)
Thickness 8.2 mm (0.32 in) 9.6 mm (0.38 in)
Weight 218 g (7.69 oz) 198 g (6.98 oz)
Water resistance IP68 No
Cooling system Vapor chamber n/a
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Silver
- Gray
- Blue		 - Gray
- Blue
- Green
- Orange
Fingerprint sensor Yes In-Display Yes In-Button
Screen-to-body ratio
Samsung Galaxy S25 Ultra
92.4 %
Xiaomi Redmi 9T
83.4 %

Performance

Testing Samsung Galaxy S25 Ultra and Xiaomi Redmi 9T In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 662
Max Frequency 4470 MHz 2000 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 4/1.8 (Kryo 260 Silver (Cortex-A53))
- 4/2 (Kryo 260 Gold (Cortex-A73))
Process TSMC Samsung
Transistor Size 3 nm 11 nm
Neural Processor Hexagon Hexagon 683
Graphics Adreno 830 Adreno 610
GPU Cores 1536 128
GPU Frequency 1100 MHz 950 MHz
FLOPS 3379.2 GFLOPS 243.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S25 Ultra
3147
Xiaomi Redmi 9T
511
Geekbench 6 (Multi-Core)
Samsung Galaxy S25 Ultra
9750
Xiaomi Redmi 9T
1551
Geekbench 6 (Single-Core)3147511
Geekbench 6 (Multi-Core)97501551
Geekbench Compute (GPU)25681n/a
Sources: Geekbench v6 [Samsung Galaxy S25 Ultra]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S25 Ultra
2795139
Xiaomi Redmi 9T
247218
CPU65987189386
GPU129416734918
Memory47131960894
UX36978261570
NanoReview Score2795139247218
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S25 Ultra
n/a
Xiaomi Redmi 9T
373
Max Surface Temp.n/a45.3 °C
Stabilityn/a99 %
Graphics Testn/a2 fps
Graphics Scoren/a373
Sources: 3DMark [Xiaomi Redmi 9T]
PCMark 3.0
PCMark 3.0
Samsung Galaxy S25 Ultra
n/a
Xiaomi Redmi 9T
6197
Writing scoren/a6932
Web scoren/a5529
Video editingn/a3683
Data manipulationn/a5170
NanoReview Scoren/a6197

Memory

RAM
RAM Size - 12 GB
- 16 GB		 - 4 GB
- 6 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 5333 MHz 1800 MHz
Channels 2 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		- 64 GB
- 128 GB
Storage TypeUFS 4.0UFS 2.2
Memory CardNoMicroSD

Software

OS Android 15 Android 10 (Upgradeable to Android 12)
OS Size 30.4 GB 21 GB
UI Skin One UI 7.0 MIUI 14

Battery

Volume 5000 mAh 6000 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) Yes
Fast Charging Yes (72% in 30 min) Yes (25% in 30 min)
Full Charge Time 0:59 h 2:30 h
Battery Life Test
Battery Life
Samsung Galaxy S25 Ultra
31:10
Xiaomi Redmi 9T
31:10
Web Browsing11:10 h11:57 h
Video Playback19:32 h15:26 h
Games06:22 h06:05 h
Standby Mode160 h175 h

Main camera

Matrix 200 MP 48 MP
Photo resolution 16320x12240 pixels 8000x6000 pixels
Zoom Optical, 5x Digital
Flash LED LED
Stabilization Optical Digital
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 120 fps) No
1080p Recording Yes (Up to 240 fps) Yes (Up to 30 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: 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 S5KHP2Samsung S5KGM1
Sensor size1/1.31/2
Pixel size0.6 μm8 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 mm13 mm
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 Redmi 9T
n/a
Video quality
Samsung Galaxy S25 Ultra
143
Xiaomi Redmi 9T
n/a
Overall camera score
Samsung Galaxy S25 Ultra
146
Xiaomi Redmi 9T
n/a
Bokeh70n/a
Preview81n/a
Zoom149n/a
Sources: DxOMark [Samsung Galaxy S25 Ultra]

Front camera

Matrix 12 MP 8 MP
Photo resolution 4000x3000 pixels 3264x2448 pixels
Aperture f/2.2 f/2.0
Focal length 26 mm 27 mm
Sensor Samsung S5K3LU CMOS
Sensor size 1/3.2 1/4.0
Pixel size 1.12 μm n/a
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		 - Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 5
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
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 B2/3/5/8
3G BandsUMTS B1(2100),B2(1900),B4(AWS),B5(850),B8(900)WCDMA 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/B38/B40/B41)
LTE categoryn/a13
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 Redmi 9T
84.6 dB

Other

Class Flagship Budget
Announced January, 2025 yr January, 2021 yr
Release Date February, 2025 yr January, 2021 yr
Launch Price ($) 1299 180
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- 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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