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alcatel S42 vs Celkon A402

Compare recorded specifications, size and practical differences.

alcatel S42

alcatel S42

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Celkon A402

Celkon A402

Replace A402
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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: 116 g lighter

    S42:
    220 g
    A402:
    104 g
  • Width

    A402: 13.2 mm narrower

    S42:
    77.2 mm
    A402:
    64 mm
  • Screen diagonal

    A402: 1.5 in smaller diagonal

    S42:
    5.5 in
    A402:
    4 in
  • Depth

    A402: 2.5 mm thinner

    S42:
    12.7 mm
    A402:
    10.2 mm
  • Height

    A402: 35.8 mm shorter

    S42:
    161.3 mm
    A402:
    125.5 mm
  • Release year

    S42:
    2020
    A402:
    2015

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. S42

    Height:
    161.3 mm +35.8 mm versus A402
    Width:
    77.2 mm +13.2 mm versus A402
    Depth:
    12.7 mm +2.5 mm versus A402
  2. 2. A402

    Height:
    125.5 mm
    Width:
    64 mm
    Depth:
    10.2 mm

Weight

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

  1. 1. S42

    220 g

    +116 g versus A402

  2. 2. A402

    104 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. S42

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²
  2. 2. A402

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

S42 has approximately 71.4% more rectangular screen area than A402.

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 S42, A402, compared at the same storage capacity.
StorageS42A402
32 GB 3 GB RAM Unknown
A402: Original memory entry

4 GB · 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. S42

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated slot)

2. A402

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

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. S42

    4200 mAh

    +2200 mAh versus A402

  2. 2. A402

    2000 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. S422. A402

Everyday essentials
Everyday essentials — specifications for S42, A402.
SpecificationS42A402
Dimensions (HxWxD)
  • 161.3 Х 77.2 Х 12.7 mm
  • 125.5 Х 64 Х 10.2 mm
Weight
  • 220 g
  • 104 g
Technology
  • IPS LCD
Unknown
Screen size
  • 5.5" inc
  • 4" inch
Screen resolution
  • 720 x 1440 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 3GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4200 mAh
  • Non-removable Li-Po
  • 2000 mAh
  • Li-Ion
Operating system OS
  • Android 10.0
  • planned upgrade to Android 11.0
  • Android 4.4.2 (KitKat)
Chipset
  • - Mediatek MT6761D Helio A20 (12 nm)
  • Spreadtrum 7715
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for S42, A402.
SpecificationS42A402
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 78.1 cm2
  • 45.5 cm2
Screen format
  • 18:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio Unknown
  • 56.7%
PPI /points per inch/ Unknown
  • 233 PPI
Screen protection
  • DragonTrail Pro
Unknown
Camera and Video
Camera and Video — specifications for S42, A402.
SpecificationS42A402
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • -13 MP
  • AF
  • 3.15 MP
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 5 MP
  • 1.3 MP
Performance
Performance — specifications for S42, A402.
SpecificationS42A402
Processor CPU
  • - Quad-core 1.8 GHz Cortex-A53
  • 1.2 GHz
Graphics processor GPU
  • - PowerVR GE8320
  • Mali-400
General specs
General specs — specifications for S42, A402.
SpecificationS42A402
Release date
  • 2020
  • January
  • 2015
  • June
Colors
  • Black
  • White
  • Black
  • Blue
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for S42, A402.
SpecificationS42A402
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 - EU HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA -4G - LTE (unspecified)
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • Yes
  • 384 kbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR EU - 0.46 W/kg (head) 0.82 W/kg (body)
Music and Audio
Music and Audio — specifications for S42, A402.
SpecificationS42A402
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for S42, A402.
SpecificationS42A402
Dop
  • - Sensors - Accelerometer
  • proximity
  • compass - IP68 dust/water resistant (up to 1.5m for 35 mins) -Drop-to-concrete resistance from up to 1.8 m -MIL-STD-810G compliant - Also known as Cat S32
  • Sensors Accelerometer