Home Phone comparison Samsung Galaxy A51 5G and Tecno Spark Slim - Which is better?

Samsung Galaxy A51 5G vs Tecno Spark Slim

45 out 100
Samsung Galaxy A51 5G
VS
62 out 100
Tecno Spark Slim
Samsung Galaxy A51 5G
Tecno Spark Slim

Compared 2 smartphones : Samsung Galaxy A51 5G Manufactured in June, 2020, with display 6.5 with chipsetSamsung Exynos 980, vs Tecno Spark Slim, Manufactured in October, 2025 with chipsetMediaTek Helio G200. 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 5G
    Reasons to choose Tecno Spark Slim
    • Larger display: 6.78in
    • Higher pixel density: 440ppi
    • Higher refresh rate: 144Hz
    • Lighter design: 156g vs 187g
    • Higher battery capacity: 5160mAh vs 4500mAh
    • Newer Bluetooth version: 5.4 vs 5
    • Infrared port
    • Includes charger

    Versions

    Available versions and configurations
    Memory Options - 6/128 GB
    - 8/128 GB    		 n/a

    Review

    Key Specs Samsung Galaxy A51 5G and Tecno Spark Slim
    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 5G
    vs
    Tecno Spark Slim

    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
    Max brightness 400 nits 4500 nits
    HDR support No No
    Screen-to-body ratio 87.3 % 89.1 %
    Features Always-On Display - DCI-P3
    - DC dimming
    Display test
    Peak brightness (auto)
    Samsung Galaxy A51 5G
    639 nits
    Tecno Spark Slim
    n/a

    Design & Build

    Design and ergonomics comparison
    Height 158.9 mm (6.26 in) 164.2 mm (6.46 in)
    Width 73.6 mm (2.9 in) 75.9 mm (2.99 in)
    Thickness 8.7 mm (0.34 in) 5.93 mm (0.23 in)
    Weight 187 g (6.6 oz) 156 g (5.5 oz)
    Water resistance No IP64
    Back panel Plastic n/a
    Frame Metal Plastic
    Colors - White
    - Black
    - Pink    		 - White
    - Black
    Fingerprint sensor Yes In-Display Yes, In-Display
    Screen-to-body ratio
    Samsung Galaxy A51 5G
    87.3 %
    Tecno Spark Slim
    89.1 %

    Performance

    Testing Samsung Galaxy A51 5G and Tecno Spark Slim In benchmarks
    Processor
    Chipset Samsung Exynos 980 MediaTek Helio G200
    Max Frequency 2200 MHz 2200 MHz
    CPU Cores 8 (2 + 6) 8 (2 + 6)
    Architecture - 6/1.8 (Cortex-A55)
    - 2/2.2 (Cortex-A77)    		 - 6/2 (Cortex-A55)
    - 2/2.2 (Cortex-A76)
    Process Samsung TSMC
    Transistor Size 8 nm 6 nm
    Neural Processor Yes Yes
    Graphics Mali-G76 MP5 Mali-G57 MP2
    GPU Cores 180 64
    GPU Frequency 700 MHz 1100 MHz
    FLOPS 262.1 GFLOPS 140.8 GFLOPS
    GeekBench v6
    Geekbench 6 (Single-Core)
    Samsung Galaxy A51 5G
    863
    Tecno Spark Slim
    718
    Geekbench 6 (Multi-Core)
    Samsung Galaxy A51 5G
    2112
    Tecno Spark Slim
    1985
    Geekbench 6 (Single-Core)863718
    Geekbench 6 (Multi-Core)21121985
    Geekbench Compute (GPU)n/a1480
    Sources: Geekbench v6 [Tecno Spark Slim]
    AnTuTu 10
    AnTuTu 10
    Samsung Galaxy A51 5G
    406776
    Tecno Spark Slim
    591552
    CPU130998220476
    GPU8509448665
    Memory86339149900
    UX104345172511
    NanoReview Score406776591552

    Memory

    RAM
    RAM Size 6 GB 8 GB
    Memory Type LPDDR4X LPDDR4X
    Memory Frequency 1866 MHz 2133 MHz
    Channels 2 2
    Storage
    Storage Capacity128 GB256 GB
    Storage TypeUFS 2.0UFS 2.2
    Memory CardMicroSDNo

    Software

    OS Android 10 (Upgradeable to Android 13) Android 15
    OS Size 22.7 GB n/a
    UI Skin One UI 5.0 HIOS 15

    Battery

    Volume 4500 mAh 5160 mAh
    Max Charging Power 15 W 45 W
    Battery Type Li-Po Li-Po
    Removable No No
    Wireless Charging No No
    Reverse Charging No Yes
    Fast Charging Yes (40% in 40 min) Yes (52% in 30 min)
    Full Charge Time 2:05 h 0:57 h
    Battery Life Test
    Battery Life
    Samsung Galaxy A51 5G
    18:19
    Tecno Spark Slim
    n/a
    Web Browsing07:25 hn/a
    Video Playback12:09 hn/a
    Games05:11 hn/a
    Standby Mode81 hn/a

    Main camera

    Matrix 48 MP 50 MP
    Photo resolution 8000x6000 pixels 8160x6144 pixels
    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 120 fps) Yes (Up to 30 fps)
    Slow Motion 960 fps (720p) n/a
    Wide-angle lens 123 ° n/a
    Lenses count Standard: 48 MP
    Ultra-wide: 12 MP
    Macro: 5 MP
    Depth: 5 MP    		 Standard: 50 MP
    Features - Bokeh effect
    - Pro mode    		 - Bokeh effect
    - Pro mode
    Main lens
    Matrix48 MP50 MP
    Aperturef/2.0n/a
    Focal length26 mmn/a
    SensorSamsung S5KGM2n/a
    Sensor size1/2n/a
    Pixel size0.8 μmn/a
    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
    Main camera DxOMark results
    Photo quality
    Samsung Galaxy A51 5G
    90
    Tecno Spark Slim
    n/a
    Video quality
    Samsung Galaxy A51 5G
    86
    Tecno Spark Slim
    n/a
    Overall camera score
    Samsung Galaxy A51 5G
    87
    Tecno Spark Slim
    n/a
    Sources: DxOMark [Samsung Galaxy A51 5G]

    Front camera

    Matrix 32 MP 13 MP
    Photo resolution 6560x4928 pixels n/a
    Aperture f/2.2 n/a
    Focal length 26 mm n/a
    Sensor Samsung S5KGD1 CMOS
    Sensor size 1/2.8 n/a
    Pixel size 0.8 μm n/a
    Autofocus No No
    Stabilization Digital Digital
    Video resolution 2160p (4K) at 30 fps 1080p (Full HD) at 30 fps
    TOF 3D sensor No No
    Selfie camera DxOMark results
    Photo quality
    Samsung Galaxy A51 5G
    100
    Tecno Spark Slim
    n/a
    Video quality
    Samsung Galaxy A51 5G
    119
    Tecno Spark Slim
    n/a

    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 MiMO
    - Wi-Fi Direct
    - Wi-Fi Hotspot
    - Wi-Fi Display
    Bluetooth version 5 5.4
    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
    - Beidou
    - Galileo
    NFC* Yes Yes
    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 SupportYesNo

    Sound

    Speakers Mono n/a
    3.5 mm Jack Yes No
    FM Radio Yes Yes
    Dolby Atmos Yes Yes

    Other

    Class Mid-range Mid-range
    Announced April, 2020 yr September, 2025 yr
    Release Date June, 2020 yr October, 2025 yr
    Launch Price ($) 499 n/a
    MSRP ($) n/a 190
    Sensors - Proximity Sensor
    - Gyroscope
    - Accelerometer
    - Ambient Light Sensor
    - Compass
    - Fingerprint sensor    		 - Proximity Sensor
    - Gyroscope
    - 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 Slim the clear winner in this comparison.

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