Oppo Realme 6 vs Tecno Spark Slim

Compared 2 smartphones : Oppo Realme 6 Manufactured in March, 2020, with display 6.5 with chipsetMediaTek Helio G90T, vs Tecno Spark Slim, Manufactured in October, 2025 with chipsetMediaTek Helio G200. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Oppo Realme 6
    Reasons to choose Tecno Spark Slim
    • Larger display: 6.78in
    • Higher pixel density: 440ppi
    • Higher refresh rate: 144Hz
    • Lighter design: 156g vs 191g
    • Higher battery capacity: 5160mAh vs 4300mAh
    • Newer Bluetooth version: 5.4 vs 5
    • Supports Dolby Atmos
    • Infrared port
    • Includes charger

    Versions

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

    Review

    Key Specs Oppo Realme 6 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

    Display

    Display quality comparison
    Type IPS LCD 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 90 Hz 144 Hz
    Adaptive refresh rate No Yes
    Max brightness 480 nits 4500 nits
    HDR support No No
    Touch Sampling Rate 120 Hz n/a
    Screen-to-body ratio 84.2 % 89.1 %
    Features n/a - DCI-P3
    - DC dimming
    Display test
    Peak brightness (auto)
    Oppo Realme 6
    424 nits
    Tecno Spark Slim
    n/a
    sRGB gamut98.7 %n/a
    Response time25.4 msn/a
    Contrast991:1n/a

    Design & Build

    Design and ergonomics comparison
    Height 162.1 mm (6.38 in) 164.2 mm (6.46 in)
    Width 74.8 mm (2.94 in) 75.9 mm (2.99 in)
    Thickness 8.9 mm (0.35 in) 5.93 mm (0.23 in)
    Weight 191 g (6.74 oz) 156 g (5.5 oz)
    Water resistance No IP64
    Back panel Plastic n/a
    Frame Plastic Plastic
    Colors - White
    - Blue
    - White
    - Black
    Fingerprint sensor Yes In-Button Yes, In-Display
    Screen-to-body ratio
    Oppo Realme 6
    84.2 %
    Tecno Spark Slim
    89.1 %

    Performance

    Testing Oppo Realme 6 and Tecno Spark Slim In benchmarks
    Processor
    Chipset MediaTek Helio G90T MediaTek Helio G200
    Max Frequency 2050 MHz 2200 MHz
    CPU Cores 8 (2 + 6) 8 (2 + 6)
    Architecture - 6/2 (Cortex-A55)
    - 2/2.05 (Cortex-A76)
    - 6/2 (Cortex-A55)
    - 2/2.2 (Cortex-A76)
    Process TSMC TSMC
    Transistor Size 12 nm 6 nm
    Neural Processor MediaTek APU 2.0 Yes
    Graphics Mali-G76 MP4 Mali-G57 MP2
    GPU Cores 144 64
    GPU Frequency 800 MHz 1100 MHz
    FLOPS 230.4 GFLOPS 140.8 GFLOPS
    GeekBench v6
    Geekbench 6 (Single-Core)
    Oppo Realme 6
    697
    Tecno Spark Slim
    718
    Geekbench 6 (Multi-Core)
    Oppo Realme 6
    1838
    Tecno Spark Slim
    1985
    Geekbench 6 (Single-Core)697718
    Geekbench 6 (Multi-Core)18381985
    Geekbench Compute (GPU)n/a1480
    AnTuTu 10
    AnTuTu 10
    Oppo Realme 6
    397648
    Tecno Spark Slim
    591552
    CPU127886220476
    GPU7277848665
    Memory81242149900
    UX115742172511
    NanoReview Score397648591552
    3DMark Wild Life
    3DMark Wild Life
    Oppo Realme 6
    1302
    Tecno Spark Slim
    n/a
    Max Surface Temp.42.9 °Cn/a
    Stability98 %n/a
    Graphics Test7 fpsn/a
    Graphics Score1302n/a

    Memory

    RAM
    RAM Size - 4 GB
    - 8 GB
    8 GB
    Memory Type LPDDR4X LPDDR4X
    Memory Frequency 1866 MHz 2133 MHz
    Channels 2 2
    Storage
    Storage Capacity128 GB256 GB
    Storage TypeUFS 2.1UFS 2.2
    Memory CardMicroSDNo

    Software

    OS Android 10.0 (Upgradeable to Android 11.0) Android 15
    OS Size 13 GB n/a
    UI Skin Realme UI 2 HIOS 15

    Battery

    Volume 4300 mAh 5160 mAh
    Max Charging Power 30 W 45 W
    Battery Type Li-ion Li-Po
    Removable No No
    Wireless Charging No No
    Reverse Charging No Yes
    Fast Charging Yes (100% in 55 min) Yes (52% in 30 min)
    Full Charge Time 0:55 h 0:57 h
    Battery Life Test
    Battery Life
    Oppo Realme 6
    23:58
    Tecno Spark Slim
    n/a
    Web Browsing09:19 hn/a
    Video Playback12:50 hn/a
    Games05:20 hn/a
    Standby Mode127 hn/a

    Main camera

    Matrix 64 MP 50 MP
    Photo resolution 9248x6920 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 60 fps) Yes (Up to 30 fps)
    Slow Motion 240 fps (720p) n/a
    Wide-angle lens 119 ° n/a
    Lenses count Standard: 64 MP
    Ultra-wide: 8 MP
    Macro: 2 MP
    Monochrome: 2 MP
    Standard: 50 MP
    Features - Bokeh effect
    - Pro mode
    - Bokeh effect
    - Pro mode
    Main lens
    Matrix64 MP50 MP
    Aperturef/1.8n/a
    Focal length26 mmn/a
    SensorSamsung Bright S5KGW1n/a
    Sensor size1/1.72n/a
    Pixel size0.8 μmn/a
    AutofocusPhase autofocusPhase autofocus
    StabilizationDigitalDigital
    Ultra-wide lens
    Matrix8 MPn/a
    Aperturef/2.3n/a
    Focal length13 mmn/a
    Sensor size1/4.0n/a
    Pixel size1.12 μmn/a
    StabilizationDigitaln/a

    Front camera

    Matrix 16 MP 13 MP
    Photo resolution 4920x3264 pixels n/a
    Aperture f/2.0 n/a
    Focal length 26 mm n/a
    Sensor Samsung S5K3P9 CMOS
    Sensor size 1/3.1 n/a
    Pixel size 1 μm n/a
    Autofocus No No
    Stabilization Digital Digital
    Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 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 MiMO
    - Wi-Fi Direct
    - Wi-Fi Hotspot
    - Wi-Fi Display
    Bluetooth version 5 5.4
    Bluetooth features LE, 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 / 2300 / 2500 / 2600n/a
    3G BandsHSDPA 850 / 900 / 2100n/a
    LTE Bands*LTE (B850/B900/B1800/B2100/B2300/B2500/B2600)n/a
    LTE category6n/a
    5G Supportn/aNo

    Sound

    Speakers Mono n/a
    3.5 mm Jack Yes No
    FM Radio Yes Yes
    Dolby Atmos No Yes
    Speaker Test
    Max Volume
    Oppo Realme 6
    87.4 dB
    Tecno Spark Slim
    n/a

    Other

    Class Mid-range Mid-range
    Announced March, 2020 yr September, 2025 yr
    Release Date March, 2020 yr October, 2025 yr
    Launch Price ($) 180 n/a
    MSRP ($) 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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