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Celkon A20 vs Lava Z25

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: 1 in smaller diagonal

      A20:
      4 in
      Z25:
      5 in

    • Release year

      A20:
      2013
      Z25:
      2017

    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. Z25

      Height:
      143.2 mm
      Width:
      71 mm
      Depth:
      8.4 mm
      Weight:
      148 g

    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. Z25

      Screen diagonal:
      5 in
      Aspect ratio (height:width):
      16:9
      Approximate rectangular screen area:
      68.9 cm²

    Z25 has approximately 51.3% 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.

    No unambiguous storage/RAM pairings are recorded. See the original specifications below.

    A20: Original memory entry

    256 MB · 512 MB RAM

    Z25: Original memory entry

    16 GB · 2/3 GB 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. Z25

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 128 GB (uses SIM 2 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. Z25

      2620 mAh

      +1120 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. Z25

    Everyday essentials
    Everyday essentials — specifications for A20, Z25.
    SpecificationA20Z25
    Dimensions (HxWxD)
    • Х Х mm
    • 143.2 Х 71 Х 8.4 mm
    Weight
    • 0 g
    • 148 g
    Technology
    • TFT
    • IPS LCD
    Screen size
    • 4" inch
    • 5" inch
    Screen resolution
    • 480 x 800 px
    • 720 x 1280 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 256 MB
    • 512 MB RAM
    • 16 GB
    • 2/3 GB RAM
    Memory card support
    • microSD
    • up to 32 GB (dedicated slot)
    • microSD
    • up to 128 GB (uses SIM 2 slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 1500 mAh
    • Li-Ion
    • 2620 mAh
    • Non-removable Li-Ion
    Operating system OS
    • Android 4.2.0 (Jelly Bean)
    • Android 6.0 (Marshmallow)
    Chipset Unknown
    • Mediatek MT6737 (28 nm)
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for A20, Z25.
    SpecificationA20Z25
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors Unknown
    • 16M
    Screen area
    • 45.5 cm2
    • 68.9 cm2
    Screen format
    • 5:3 (height:width)
    • 16:9 (height:width)
    Screen to body ratio Unknown
    • 67.8%
    PPI /points per inch/
    • 233 PPI
    • 294 PPI
    Camera and Video

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

    Camera and Video — specifications for A20, Z25.
    SpecificationA20Z25
    Rear camera, main
    • 3.15 MP
    • Single
    • 8 MP
    • Single
    Camera specs
    • 3.15 MP
    • 8 MP
    • f/2.0
    • 1/3.2''
    • 1.4µm
    • AF
    Functions Unknown
    • LED flash
    Video
    • Yes
    • 720p@30fps
    Front camera, selfie
    • 0.3 MP
    • Single
    • 5 MP
    • Single
    Specifications
    • VGA
    • 5 MP
    • 1/4''
    • 1.4µm
    DxOMark Main Score * Unknown
    • 70
    DxOMark Photo * Unknown
    • 74
    DxOMark Video * Unknown
    • 62
    Performance

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

    Performance — specifications for A20, Z25.
    SpecificationA20Z25
    Processor CPU
    • Dual-core 1.2 GHz
    • Quad-core 1.3 GHz Cortex-A53
    Graphics processor GPU Unknown
    • Mali-T720MP2
    Antutu 7 score * Unknown
    • 40152
    GeekBench 4 RenderScript * Unknown
    • 1351
    General specs
    General specs — specifications for A20, Z25.
    SpecificationA20Z25
    Release date
    • 2013
    • August
    • 2017
    • March
    Colors
    • Black
    • Gold
    • Black/White
    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, Z25.
    SpecificationA20Z25
    SIM card
    • Dual SIM (Mini-SIM)
    • Hybrid Dual SIM (Nano-SIM/ Micro-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 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
    • 5(850)
    • 40(2300)
    Speed
    • Yes
    • 384 kbps
    • HSPA
    • LTE
    GPRS
    • Class 12
    • Yes
    Edge
    • Class 12
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • Wi-Fi 802.11 b/g/n
    • hotspot
    GPS
    • No
    • Yes
    • with A-GPS
    USB
    • microUSB 2.0
    • microUSB 2.0
    • USB On-The-Go
    Bluetooth
    • Yes
    • 4.0
    • A2DP
    Harmful irradiation
    • SAR EU - 0.88 W/kg (head) 0.60 W/kg (body)
    		 Unknown
    Music and Audio
    Music and Audio — specifications for A20, Z25.
    SpecificationA20Z25
    Radio Unknown
    • FM radio
    Other features
    Other features — specifications for A20, Z25.
    SpecificationA20Z25
    Dop
    • Sensors Proximity
    • gyro
    • Sensors Accelerometer
    • proximity - For India

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