Home Phone comparison Samsung Galaxy A51 and Tecno Spark 40 Pro - Which is better?

Samsung Galaxy A51 vs Tecno Spark 40 Pro

41 out 100
Samsung Galaxy A51
VS
64 out 100
Tecno Spark 40 Pro
Samsung Galaxy A51
Tecno Spark 40 Pro

Compared 2 smartphones : Samsung Galaxy A51 Manufactured in December, 2019, with display 6.5 with chipsetSamsung Exynos 9 Octa 9611, vs Tecno Spark 40 Pro, Manufactured in July, 2025with chipsetMediaTek Helio G100 Ultimate. 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 A51
    Reasons to choose Tecno Spark 40 Pro
    • Larger display: 6.78in
    • Higher pixel density: 440ppi
    • Higher refresh rate: 144Hz
    • Lighter design: 162g vs 172g
    • Higher battery capacity: 5200mAh vs 4000mAh
    • Newer Bluetooth version: 5.3 vs 5
    • Infrared port
    • Includes charger

    Versions

    Available versions and configurations
    Memory Options - 4/64 GB
    - 4/128 GB
    - 6/128 GB
    - 8/128 GB
    - 8/256 GB    		 - 8/128 GB
    - 8/256 GB

    Review

    Key Specs Samsung Galaxy A51 and Tecno Spark 40 Pro
    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 A51
    vs
    Tecno Spark 40 Pro

    Display

    Display quality comparison
    Type Super AMOLED AMOLED
    Size 6.5 in 6.78 in
    Resolution 1080x2400 pixels 1224x2720 pixels
    Aspect ratio 20:9 20:9
    Pixel density 405 ppi 440 ppi
    Refresh rate 60 Hz 144 Hz
    Adaptive refresh rate No Yes (60-120 Hz)
    Max brightness 400 nits 1600 nits
    HDR support No Yes, HDR10
    Screen-to-body ratio 87.5 % 89.4 %
    Features Always-On Display DCI-P3
    Display test
    Peak brightness (auto)
    Samsung Galaxy A51
    631 nits
    Tecno Spark 40 Pro
    n/a
    sRGB gamut98.8 %n/a
    PWM (Flicker)242 Hzn/a
    Response time25 msn/a
    Contrast∞ Infiniten/a
    Sources: NotebookCheck [Samsung Galaxy A51]

    Design & Build

    Design and ergonomics comparison
    Height 158.5 mm (6.24 in) 163.67 mm (6.44 in)
    Width 73.6 mm (2.9 in) 75.87 mm (2.99 in)
    Thickness 7.9 mm (0.31 in) 6.69 mm (0.26 in)
    Weight 172 g (6.07 oz) 162 g (5.71 oz)
    Water resistance No IP64
    Back panel Plastic Plastic
    Frame Plastic Plastic
    Colors - White
    - Black    		 - Black
    - Gray
    - Green
    Fingerprint sensor Yes In-Display Yes, In-Display
    Screen-to-body ratio
    Samsung Galaxy A51
    87.5 %
    Tecno Spark 40 Pro
    89.4 %

    Performance

    Testing Samsung Galaxy A51 and Tecno Spark 40 Pro In benchmarks
    Processor
    Chipset Samsung Exynos 9 Octa 9611 MediaTek Helio G100 Ultimate
    Max Frequency 2300 MHz 2200 MHz
    CPU Cores 8 (4 + 4) 8 (2 + 6)
    Architecture - 4/1.7 (Cortex-A53)
    - 4/2.3 (Cortex-A73)    		 - 6/2 (Cortex-A55)
    - 2/2.2 (Cortex-A76)
    Process Samsung TSMC
    Transistor Size 10 nm 6 nm
    Neural Processor Yes Yes
    Graphics Mali-G72 MP3 Mali-G57 MP2
    GPU Cores 54 64
    GPU Frequency 850 MHz 1000 MHz
    FLOPS 113.8 GFLOPS 128 GFLOPS
    GeekBench v6
    Geekbench 6 (Single-Core)
    Samsung Galaxy A51
    512
    Tecno Spark 40 Pro
    713
    Geekbench 6 (Multi-Core)
    Samsung Galaxy A51
    1556
    Tecno Spark 40 Pro
    1953
    Geekbench 6 (Single-Core)512713
    Geekbench 6 (Multi-Core)15561953
    AnTuTu 10
    AnTuTu 10
    Samsung Galaxy A51
    268760
    Tecno Spark 40 Pro
    424965
    CPU83857129573
    GPU4516666336
    Memory63828116200
    UX75909112856
    NanoReview Score268760424965
    3DMark Wild Life
    3DMark Wild Life
    Samsung Galaxy A51
    812
    Tecno Spark 40 Pro
    n/a
    Max Surface Temp.42.2 °Cn/a
    Stability95 %n/a
    Graphics Test4 fpsn/a
    Graphics Score812n/a
    Sources: 3DMark [Samsung Galaxy A51]

    Memory

    RAM
    RAM Size - 4 GB
    - 6 GB    		 8 GB
    Memory Type LPDDR4X LPDDR4X
    Memory Frequency 1866 MHz 2133 MHz
    Channels 2 2
    Storage
    Storage Capacity- 64 GB
    - 128 GB    		128 GB
    Storage TypeUFS 2.0UFS 2.2
    Memory CardMicroSDMicroSD

    Software

    OS Android 10 (Upgradeable to Android 13) Android 15
    OS Size 23 GB n/a
    UI Skin One UI 5.1 HIOS 15.1

    Battery

    Volume 4000 mAh 5200 mAh
    Max Charging Power 15 W 45 W
    Battery Type Li-Po Li-Po
    Removable No No
    Wireless Charging No No
    Reverse Charging No No
    Fast Charging Yes (40% in 35 min) Yes
    Full Charge Time 1:50 h 0:55 h
    Battery Life Test
    Battery Life
    Samsung Galaxy A51
    17:53
    Tecno Spark 40 Pro
    n/a
    Web Browsing07:15 hn/a
    Video Playback11:25 hn/a
    Games04:49 hn/a
    Standby Mode81 hn/a

    Main camera

    Matrix 48 MP 50 MP
    Photo resolution 8000x6000 pixels n/a
    Zoom Digital Digital
    Flash LED Dual LED
    Stabilization Digital Digital
    8K Recording No No
    4K Recording Yes (Up to 30 fps) No
    1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
    Slow Motion 960 fps (720p) 120 fps (720p)
    Wide-angle lens 120 ° n/a
    Lenses count Standard: 48 MP
    Ultra-wide: 12 MP
    Macro: 5 MP
    Depth: 5 MP    		 Standard: 50 MP
    Depth
    Features - Bokeh effect
    - Pro mode    		 - Bokeh effect
    - Pro mode
    Main lens
    Matrix48 MP50 MP
    Aperturef/2.0f/1.6
    Focal length26 mmn/a
    SensorSony IMX582n/a
    Sensor size1/21/2
    Pixel size0.8 μm0.64 μm
    AutofocusPhase autofocusPhase autofocus
    StabilizationDigitalDigital
    Ultra-wide lens
    Matrix12 MPn/a
    Aperturef/2.2n/a
    Focal length13 mmn/a
    Pixel size1.12 μmn/a
    StabilizationDigitaln/a

    Front camera

    Matrix 32 MP 13 MP
    Photo resolution 6560x4928 pixels n/a
    Aperture f/2.2 f/2.2
    Focal length 26 mm n/a
    Sensor Samsung S5KGD1 n/a
    Sensor size 1/2.8 1/3.1
    Pixel size 0.8 μm 1.12 μm
    Autofocus No No
    Stabilization Digital Digital
    Video resolution 2160p (4K) at 30 fps 1080p (Full HD) at 60 fps
    TOF 3D sensor No No

    Connectivity

    Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
    Wi-Fi features - Dual Band
    - Wi-Fi Direct
    - Wi-Fi Hotspot
    - Wi-Fi Display    		 - Dual Band
    - Wi-Fi Direct
    - Wi-Fi Hotspot
    - Wi-Fi Display
    Bluetooth version 5 5.3
    Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP LE
    USB type USB Type-C USB Type-C
    USB version 2 2
    USB features - Charging
    - USB Storage Mode
    - OTG    		 - Charging
    - USB Storage Mode
    - OTG
    DisplayPort n/a No
    GPS - GPS
    - GLONASS
    - Beidou
    - Galileo    		 - GPS
    - GLONASS
    - Galileo
    NFC* Yes Varies by region
    Infrared Port No Yes
    Connectivity
    SIM Count*22
    SIM TypeNanoNano
    SIM ModeDual SIM StandbyDual SIM Standby
    eSIM Support *NoNo
    Hybrid SlotNoNo
    2G BandsGSM 850 / 900 / 1800 / 2100 / 2600n/a
    3G BandsUMTS 850 / 900 / 1900 / 2100n/a
    LTE Bands*LTE (B850/B900/B1800/B2100/B2600)n/a
    LTE category12n/a
    5G SupportNoNo

    Sound

    Speakers Mono n/a
    3.5 mm Jack Yes Yes
    FM Radio Yes Yes
    Dolby Atmos Yes Yes
    Speaker Test
    Max Volume
    Samsung Galaxy A51
    81.7 dB
    Tecno Spark 40 Pro
    n/a

    Other

    Class Mid-range Mid-range
    Announced December, 2019 yr July, 2025 yr
    Release Date December, 2019 yr July, 2025 yr
    Launch Price ($) 399 n/a
    MSRP ($) n/a 180
    Sensors - Proximity Sensor
    - Gyroscope
    - Accelerometer
    - Ambient Light Sensor
    - Compass
    - Fingerprint sensor    		 - Proximity Sensor
    - Accelerometer
    - Ambient Light Sensor
    - Compass
    - Fingerprint sensor
    Charger Included n/a Yes, 45 W
    * Attention! Config, frequencies, NFC, and other specs may vary by region.

    Results

    After analyzing the data, we consider Tecno Spark 40 Pro the clear winner in this comparison.

    Survey

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