Home Phone comparison Samsung Galaxy S25 and Xiaomi Redmi 7A - Which is better?

Samsung Galaxy S25 vs Xiaomi Redmi 7A

87 out 100
Samsung Galaxy S25
VS
31 out 100
Xiaomi Redmi 7A
Samsung Galaxy S25
Xiaomi Redmi 7A

Compared 2 smartphones : Samsung Galaxy S25 Manufactured in February, 2025, with display 6.2 with chipsetQualcomm Snapdragon 8 Elite, vs Xiaomi Redmi 7A, Manufactured in June, 2019 with chipsetQualcomm Snapdragon 439. 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
  • Larger display: 6.2in
  • Higher pixel density: 416ppi
  • Higher refresh rate: 120Hz
  • Lighter design: 162g vs 165g
  • Newer Bluetooth version: 5.4 vs 4.2
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM
  • Fingerprint scanner
Reasons to choose Xiaomi Redmi 7A

    Versions

    Available versions and configurations
    Memory Options - 12/128 GB
    - 12/256 GB
    - 12/512 GB    		 - 2/16 GB
    - 2/32 GB
    - 3/32 GB

    Review

    Key Specs Samsung Galaxy S25 and Xiaomi Redmi 7A
    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:
    Samsung Galaxy S25
    vs
    Xiaomi Redmi 7A

    Display

    Display quality comparison
    Type Dynamic AMOLED IPS LCD
    Size 6.2 in 5.45 in
    Resolution 1080x2340 pixels 720x1440 pixels
    Aspect ratio 19.5:9 18:9
    Pixel density 416 ppi 295 ppi
    Refresh rate 120 Hz 60 Hz
    Adaptive refresh rate Yes (1-120 Hz) No
    Max brightness 2600 nits 530 nits
    HDR support Yes HDR10+ No
    Touch Sampling Rate 240 Hz n/a
    Screen-to-body ratio 91.1 % 74.4 %
    Features - DCI-P3
    - Always-On Display    		 n/a
    Display test
    Peak brightness (auto)
    Samsung Galaxy S25
    1406 nits
    Xiaomi Redmi 7A
    506 nits
    sRGB gamut97.4 %94.2 %
    PWM (Flicker)240 Hz384 Hz
    Response time2 ms27 ms
    Contrast∞ Infinite888:1
    Sources: NotebookCheck [Samsung Galaxy S25], [Xiaomi Redmi 7A]

    Design & Build

    Design and ergonomics comparison
    Height 146.9 mm (5.78 in) 146.3 mm (5.76 in)
    Width 70.5 mm (2.78 in) 70.4 mm (2.77 in)
    Thickness 7.2 mm (0.28 in) 9.5 mm (0.37 in)
    Weight 162 g (5.71 oz) 165 g (5.82 oz)
    Water resistance IP68 IPX4
    Cooling system Vapor chamber n/a
    Back panel Glass Plastic
    Frame Metal Plastic
    Colors - Black
    - Silver
    - Gray
    - Blue
    - Green
    - Pink    		 - Black
    - Blue
    - Red
    Fingerprint sensor Yes In-Display No
    Screen-to-body ratio
    Samsung Galaxy S25
    91.1 %
    Xiaomi Redmi 7A
    74.4 %

    Performance

    Testing Samsung Galaxy S25 and Xiaomi Redmi 7A In benchmarks
    Processor
    Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 439
    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))    		 - 4/1.45 (Cortex-A53)
    - 4/2 (Cortex-A53)
    Process TSMC Samsung
    Transistor Size 3 nm 12 nm
    Neural Processor Hexagon Hexagon 536
    Graphics Adreno 830 Adreno 505
    GPU Cores 1536 48
    GPU Frequency 1100 MHz 450 MHz
    FLOPS 3379.2 GFLOPS 43.2 GFLOPS
    GeekBench v6
    Geekbench 6 (Single-Core)
    Samsung Galaxy S25
    3075
    Xiaomi Redmi 7A
    477
    Geekbench 6 (Multi-Core)
    Samsung Galaxy S25
    9822
    Xiaomi Redmi 7A
    1521
    Geekbench 6 (Single-Core)3075477
    Geekbench 6 (Multi-Core)98221521
    Geekbench Compute (GPU)26264n/a
    Sources: Geekbench v6 [Samsung Galaxy S25]
    AnTuTu 10
    AnTuTu 10
    Samsung Galaxy S25
    2382973
    Xiaomi Redmi 7A
    118018
    CPU58013937665
    GPU96129914471
    Memory47874126778
    UX36279439104
    NanoReview Score2382973118018

    Memory

    RAM
    RAM Size 12 GB 2 GB
    Memory Type LPDDR5X LPDDR3
    Memory Frequency 5333 MHz 933 MHz
    Channels 2 1
    Storage
    Storage Capacity128 GB- 16 GB
    - 32 GB
    Storage TypeUFS 4.0eMMC 5.1
    Memory CardNoMicroSD

    Software

    OS Android 15 Android 9.0 (Upgradeable to Android 10)
    OS Size 30.1 GB 6.4 GB
    UI Skin One UI 7.0 MIUI 12

    Battery

    Volume 4000 mAh 4000 mAh
    Max Charging Power 25 W n/a
    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 2:35 h
    Battery Life Test
    Battery Life
    Samsung Galaxy S25
    24:10
    Xiaomi Redmi 7A
    17:13
    Web Browsing09:09 h06:26 h
    Video Playback17:15 h09:44 h
    Games05:32 h04:10 h
    Standby Mode108 h90 h

    Main camera

    Matrix 50 MP 12 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: 12 MP
    Features - Bokeh effect
    - Pro mode
    - RAW support
    Main lens
    Matrix50 MP12 MP
    Aperturef/1.8f/2.2
    Focal length24 mmn/a
    SensorSamsung ISOCELL S5KGN3Sony IMX486
    Sensor size1/1.561/2.9
    Pixel size1 μm1.12 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 2592x1944 pixels
    Aperture f/2.2 f/2.2
    Focal length 26 mm n/a
    Sensor Samsung S5K3LU GalaxyCore
    Sensor size 1/3.2 1/5
    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 4.2
    Bluetooth features LE LE, A2DP
    USB type USB Type-C Micro USB
    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 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 850, GSM 900, GSM 1800, GSM 1900
    3G BandsUMTS B1(2100),B2(1900),B4(AWS),B5(850),B8(900)HSDPA 900, 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/B900/B1800/B1900/B2300/B2500/B2600)
    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 7A
    82 dB

    Other

    Class Flagship Budget
    Announced January, 2025 yr May, 2019 yr
    Release Date February, 2025 yr June, 2019 yr
    Launch Price ($) n/a 85
    MSRP ($) 799 n/a
    Sensors - Hall Sensor
    - Barometer
    - Proximity Sensor
    - Gyroscope
    - Accelerometer
    - Ambient Light Sensor
    - Compass
    - Fingerprint sensor    		 - Proximity Sensor
    - Gyroscope
    - Accelerometer
    - Ambient Light Sensor
    - Compass
    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