Samsung Galaxy S25 vs Xiaomi Redmi 9A

Compared 2 smartphones : Samsung Galaxy S25 Manufactured in February, 2025, with display 6.2 with chipsetQualcomm Snapdragon 8 Elite, vs Xiaomi Redmi 9A, Manufactured in August, 2020 with chipsetMediaTek Helio G25. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy S25
  • Higher pixel density: 416ppi
  • Higher refresh rate: 120Hz
  • Lighter design: 162g vs 194g
  • Newer Bluetooth version: 5.4 vs 5
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM
  • Fingerprint scanner
Reasons to choose Xiaomi Redmi 9A
  • Larger display: 6.53in
  • Higher battery capacity: 5000mAh vs 4000mAh

Versions

Available versions and configurations
Memory Options - 12/128 GB
- 12/256 GB
- 12/512 GB
- 2/32 GB
- 3/32 GB
- 4/64 GB
- 4/128 GB
- 6/128 GB

Review

Key Specs Samsung Galaxy S25 and Xiaomi Redmi 9A
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 IPS LCD
Size 6.2 in 6.53 in
Resolution 1080x2340 pixels 720x1600 pixels
Aspect ratio 19.5:9 20:9
Pixel density 416 ppi 269 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 91.1 % 81.1 %
Features - DCI-P3
- Always-On Display
n/a
Display test
Peak brightness (auto)
Samsung Galaxy S25
1406 nits
Xiaomi Redmi 9A
434 nits
sRGB gamut97.4 %92.9 %
PWM (Flicker)240 Hzn/a
Response time2 ms40 ms
Contrast∞ Infinite1318:1

Design & Build

Design and ergonomics comparison
Height 146.9 mm (5.78 in) 164.9 mm (6.49 in)
Width 70.5 mm (2.78 in) 77 mm (3.03 in)
Thickness 7.2 mm (0.28 in) 9 mm (0.35 in)
Weight 162 g (5.71 oz) 194 g (6.84 oz)
Water resistance IP68 No
Cooling system Vapor chamber n/a
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Silver
- Gray
- Blue
- Green
- Pink
- Gray
- Blue
- Green
Fingerprint sensor Yes In-Display No
Screen-to-body ratio
Samsung Galaxy S25
91.1 %
Xiaomi Redmi 9A
81.1 %

Performance

Testing Samsung Galaxy S25 and Xiaomi Redmi 9A In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite MediaTek Helio G25
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))
- 4/1.5 (Cortex-A53)
- 4/2 (Cortex-A53)
Process TSMC TSMC
Transistor Size 3 nm 12 nm
Neural Processor Hexagon No
Graphics Adreno 830 PowerVR GE8320
GPU Cores 1536 32
GPU Frequency 1100 MHz 650 MHz
FLOPS 3379.2 GFLOPS 41.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S25
3075
Xiaomi Redmi 9A
472
Geekbench 6 (Multi-Core)
Samsung Galaxy S25
9822
Xiaomi Redmi 9A
1524
Geekbench 6 (Single-Core)3075472
Geekbench 6 (Multi-Core)98221524
Geekbench Compute (GPU)26264n/a
AnTuTu 10
AnTuTu 10
Samsung Galaxy S25
2382973
Xiaomi Redmi 9A
125125
CPU58013950728
GPU96129916844
Memory47874128611
UX36279428942
NanoReview Score2382973125125

Memory

RAM
RAM Size 12 GB - 2 GB
- 4 GB
- 6 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 5333 MHz 1600 MHz
Channels 2 2
Storage
Storage Capacity128 GB- 32 GB
- 64 GB
- 128 GB
Storage TypeUFS 4.0eMMC 5.1
Memory CardNoMicroSD

Software

OS Android 15 Android 10 (Upgradeable to Android 11)
OS Size 30.1 GB 11 GB
UI Skin One UI 7.0 MIUI 12.5 Enhanced

Battery

Volume 4000 mAh 5000 mAh
Max Charging Power 25 W 10 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging Yes (15 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (56% in 30 min) No
Full Charge Time 1:17 h 2:55 h
Battery Life Test
Battery Life
Samsung Galaxy S25
24:10
Xiaomi Redmi 9A
24:07
Web Browsing09:09 h10:08 h
Video Playback17:15 h13:37 h
Games05:32 h05:37 h
Standby Mode108 h118 h

Main camera

Matrix 50 MP 13 MP
Photo resolution 8160x6120 pixels 4128x3096 pixels
Zoom Optical, 3x Digital
Flash LED LED
Stabilization Optical Digital
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 60 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (1080p) No
Wide-angle lens 120 ° n/a
Lenses count Standard: 50 MP
Telephoto: 10 MP
Ultra-wide: 12 MP
Standard: 13 MP
Features - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP13 MP
Aperturef/1.8f/2.2
Focal length24 mm28 mm
SensorSamsung ISOCELL S5KGN3n/a
Sensor size1/1.56n/a
Pixel size1 μm1 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalDigital
Telephoto
Matrix10 MPn/a
Aperturef/2.4n/a
Focal length67 mmn/a
SensorSamsung ISOCELL S5K3K1n/a
Sensor size1/3.94n/a
Pixel size1 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix12 MPn/a
Aperturef/2.2n/a
Focal length13 mmn/a
SensorSony IMX564n/a
Sensor size1/2.55n/a
Pixel size1.4 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 12 MP 5 MP
Photo resolution 4000x3000 pixels 2560x1960 pixels
Aperture f/2.2 f/2.2
Focal length 26 mm n/a
Sensor Samsung S5K3LU CMOS
Sensor size 1/3.2 n/a
Pixel size 1.12 μm 1.12 μm
Autofocus Phase autofocus 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 4 (802.11 a/b/g/n)
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 Micro USB
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 No
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 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)
LTE categoryn/a4
5G SupportYesNo

Sound

Speakers n/a Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes No
Speaker Test
Max Volume
Samsung Galaxy S25
91.7 dB
Xiaomi Redmi 9A
76.5 dB

Other

Class Flagship Budget
Announced January, 2025 yr June, 2020 yr
Release Date February, 2025 yr August, 2020 yr
Launch Price ($) n/a 100
MSRP ($) 799 n/a
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Accelerometer
- Ambient Light Sensor
Charger Included No n/a

Note

Samsung Galaxy S25:

Supports up to 2 eSIMs. The international model has 2 physical SIM slots, while the U.S. model has 1.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy S25 the clear winner in this comparison.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below