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Celkon A20 vs LG K40S

Compare recorded specifications, size and practical differences.

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    Key differences

    Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

    • Screen diagonal

      A20: 2.1 in smaller diagonal

      A20:
      4 in
      K40S:
      6.1 in

    • Rear camera layout

      A20:
      Single
      K40S:
      Dual

    • Release year

      A20:
      2013
      K40S:
      2019

    Physical size

    Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

    1. 1. A20

      Height:
      Unknown
      Width:
      Unknown
      Depth:
      Unknown
      Weight:
      Unknown

      Unavailable dimensions are omitted from the drawing.

    2. 2. K40S

      Height:
      156.3 mm
      Width:
      73.9 mm
      Depth:
      8.6 mm
      Weight:
      Unknown

    Screen size

    Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

    1. 1. A20

      Screen diagonal:
      4 in
      Aspect ratio (height:width):
      5:3
      Approximate rectangular screen area:
      45.5 cm²

    2. 2. K40S

      Screen diagonal:
      6.1 in
      Aspect ratio (height:width):
      19:9
      Approximate rectangular screen area:
      92.9 cm²

    K40S has approximately 103.9% more rectangular screen area than A20.

    Memory variants

    Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

    Recorded RAM for A20, K40S, compared at the same storage capacity.
    StorageA20K40S
    32 GB Unknown 2 / 3 GB RAM Alternative RAM configurations
    A20: Original memory entry

    256 MB · 512 MB RAM

    Practical features

    Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

    1. A20

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 32 GB (dedicated slot)

    2. K40S

    NFC:
    See details Yes (market/region dependent)
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 1 TB (dedicated slot)

    Battery capacity

    Capacity is not battery life. No endurance test is implied.

    Recorded battery capacity

    Bars start at zero and share a scale within this chart.

    1. 1. A20

      1500 mAh

    2. 2. K40S

      3500 mAh

      +2000 mAh versus A20

    Specifications

    Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

    1. A202. K40S

    Everyday essentials
    Everyday essentials — specifications for A20, K40S.
    SpecificationA20K40S
    Dimensions (HxWxD)
    • Х Х mm
    • 156.3 Х 73.9 Х 8.6 mm
    Weight
    • 0 g
    • 0 g
    Technology
    • TFT
    • IPS LCD
    Screen size
    • 4" inch
    • 6.1" inch
    Screen resolution
    • 480 x 800 px
    • 720 x 1520 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 256 MB
    • 512 MB RAM
    • 32GB 2GB RAM
    • 32GB 3GB RAM
    Memory card support
    • microSD
    • up to 32 GB (dedicated slot)
    • microSD
    • up to 1 TB (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 1500 mAh
    • Li-Ion
    • 3500 mAh
    • Non-removable Li-Po
    Operating system OS
    • Android 4.2.0 (Jelly Bean)
    • Android 9.0 (Pie)
    Chipset Unknown
    • Mediatek MT6762 Helio P22 (12 nm)
    NFC Unknown
    • Yes (market/region dependent)
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for A20, K40S.
    SpecificationA20K40S
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors Unknown
    • 16M
    Screen area
    • 45.5 cm2
    • 92.9 cm2
    Screen format
    • 5:3 (height:width)
    • 19:9 (height:width)
    Screen to body ratio Unknown
    • 80.4%
    PPI /points per inch/
    • 233 PPI
    • 276 PPI
    Camera and Video
    Camera and Video — specifications for A20, K40S.
    SpecificationA20K40S
    Rear camera, main
    • 3.15 MP
    • Single
    • 13 MP
    • Dual
    Camera specs
    • 3.15 MP
    • 13 MP
    • f/2.2
    • 26mm (wide)
    • PDAF -5 MP
    • (ultrawide)
    Functions Unknown
    • LED flash
    • panorama
    • HDR
    Video
    • Yes
    • 1080p@30fps
    Front camera, selfie
    • 0.3 MP
    • Single
    • 13 MP
    • Single
    Specifications
    • VGA
    • 13 MP
    • f/2.0
    Performance

    Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

    Performance — specifications for A20, K40S.
    SpecificationA20K40S
    Processor CPU
    • Dual-core 1.2 GHz
    • Octa-core 2.0 GHz Cortex-A53
    Graphics processor GPU Unknown
    • PowerVR GE8320
    Antutu 7 score * Unknown
    • 76321
    General specs
    General specs — specifications for A20, K40S.
    SpecificationA20K40S
    Release date
    • 2013
    • August
    • 2019
    • August
    Colors
    • Black
    • New Aurora Black
    • New Moroccan Blue
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 60 EUR
    • 160 EUR
    Communication and Connectivity
    Communication and Connectivity — specifications for A20, K40S.
    SpecificationA20K40S
    SIM card
    • Dual SIM (Mini-SIM)
    • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
    • dual stand-by)
    Network
    • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
    • 3(1800)
    • 7(2600)
    • 8(900)
    • 20(800)
    Speed
    • Yes
    • 384 kbps
    • HSPA 42.2/5.76 Mbps
    • LTE-A (2CA) Cat6 300/50 Mbps
    GPRS
    • Class 12
    • Yes
    Edge
    • Class 12
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • Wi-Fi Direct
    • DLNA
    • hotspot
    GPS
    • No
    • Yes
    • with A-GPS
    • GLONASS
    USB
    • microUSB 2.0
    • microUSB 2.0
    • USB On-The-Go
    Bluetooth
    • Yes
    • 5.0
    • A2DP
    • LE
    Harmful irradiation
    • SAR EU - 0.88 W/kg (head) 0.60 W/kg (body)
    		 Unknown
    Music and Audio
    Music and Audio — specifications for A20, K40S.
    SpecificationA20K40S
    Radio Unknown
    • No
    Others Unknown
    • DTS: X Surround Sound -Active noise cancellation with dedicated mic
    Other features
    Other features — specifications for A20, K40S.
    SpecificationA20K40S
    Dop
    • Sensors Proximity
    • gyro
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • proximity - MIL-STD-810G compliant

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