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Celkon A402 vs verykool s400

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.

  • Weight

    A402: 16 g lighter

    A402:
    104 g
    s400:
    120 g
  • Width

    A402: 1 mm narrower

    A402:
    64 mm
    s400:
    65 mm
  • Chipset

    A402:
    Spreadtrum 7715
    s400:
    Mediatek MT6589 (28 nm)
  • Depth

    A402: 1.8 mm thinner

    A402:
    10.2 mm
    s400:
    12 mm
  • Height

    s400: 6.5 mm shorter

    A402:
    125.5 mm
    s400:
    119 mm
  • Release year

    A402:
    2015
    s400:
    2013

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. A402

    Height:
    125.5 mm +6.5 mm versus s400
    Width:
    64 mm
    Depth:
    10.2 mm
  2. 2. s400

    Height:
    119 mm
    Width:
    65 mm +1 mm versus A402
    Depth:
    12 mm +1.8 mm versus A402

Weight

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

  1. 1. A402

    104 g

  2. 2. s400

    120 g

    +16 g versus A402

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. A402

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. s400

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

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.

A402: Original memory entry

4 GB · 512 MB RAM

s400: Original memory entry

4 GB

Practical features

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

1. A402

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

2. s400

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (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. A402

    2000 mAh

    +600 mAh versus s400

  2. 2. s400

    1400 mAh

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. A4022. s400

Everyday essentials
Everyday essentials — specifications for A402, s400.
SpecificationA402s400
Dimensions (HxWxD)
  • 125.5 Х 64 Х 10.2 mm
  • 119 Х 65 Х 12 mm
Weight
  • 104 g
  • 120 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 4" inch
Screen resolution
  • 480 x 800 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 4 GB
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 4.2.1 (Jelly Bean)
Chipset
  • Spreadtrum 7715
  • Mediatek MT6589 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A402, s400.
SpecificationA402s400
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Screen area
  • 45.5 cm2
  • 45.5 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 56.7%
  • 58.9%
PPI /points per inch/
  • 233 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for A402, s400.
SpecificationA402s400
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • 5 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 1.3 MP
  • VGA
Performance
Performance — specifications for A402, s400.
SpecificationA402s400
Processor CPU
  • 1.2 GHz
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Mali-400
  • PowerVR SGX544
General specs
General specs — specifications for A402, s400.
SpecificationA402s400
Release date
  • 2015
  • June
  • 2013
  • September
Colors
  • White
  • Black
  • Blue
  • Silver
  • Black
  • White
  • Pink
  • Blue
Battery life Unknown
  • Stand by time- Up to 240 h (3G) Talking time- Up to 6 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A402, s400.
SpecificationA402s400
SIM card
  • Dual SIM
  • Single SIM (Mini-SIM)Dual SIM (Mini-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 - SIM1 & SIM 2 (optional)
Speed
  • Yes
  • 384 kbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 3.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.46 W/kg (head) 0.82 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A402, s400.
SpecificationA402s400
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A402, s400.
SpecificationA402s400
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity