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Celkon A402 vs Philips W820

Compare recorded specifications, size and practical differences.

Celkon A402

Celkon A402

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Philips W820

Philips W820

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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.

  • WeightA402: 39 g lighterA402: 104 g · W820: 143 g
  • WidthW820: 6.3 mm narrowerW820: 57.7 mm · A402: 64 mm
  • Screen diagonalW820: 0.8 in smaller diagonalW820: 3.2 in · A402: 4 in
  • DepthA402: 4.6 mm thinnerA402: 10.2 mm · W820: 14.8 mm
  • HeightW820: 10.9 mm shorterW820: 114.6 mm · A402: 125.5 mm
  • Release year2015 / 2012A402: 2015 · W820: 2012

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.

Front
A402: 125.5 × 64 mm 1 W820: 114.6 × 57.7 mm 2
Side
A402: 125.5 × 10.2 mm 1 W820: 114.6 × 14.8 mm 2
  1. 1. A402
    Height
    125.5 mm+10.9 mm versus W820
    Width
    64 mm+6.3 mm versus W820
    Depth
    10.2 mm
    Weight
    104 g
  2. 2. W820
    Height
    114.6 mm
    Width
    57.7 mm
    Depth
    14.8 mm+4.6 mm versus A402
    Weight
    143 g
Weight

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

  1. 1. A402104 g
  2. 2. W820143 g

    +39 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.

Screen size
A402: 4 in, 5:3, About 45.5 cm² rectangular area 1 W820: 3.2 in, 3:2, About 30.5 cm² rectangular area 2
  1. 1. A402 4 in · 5:3 About 45.5 cm² rectangular area
  2. 2. W820 3.2 in · 3:2 About 30.5 cm² rectangular area

A402 has approximately 49.4% more rectangular screen area than W820.

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

W820: Original memory entry

512 MB

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. W820

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 capacity

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

  1. 1. A4022000 mAh
  2. 2. W8202100 mAh

    +100 mAh versus A402

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. W820

Everyday essentials
Everyday essentials
SpecificationA402W820
Dimensions (HxWxD)
  • 125.5 Х 64 Х 10.2 mm
  • 114.6 Х 57.7 Х 14.8 mm
Weight
  • 104 g
  • 143 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 3.2" inch
Screen resolution
  • 480 x 800 px
  • 320 x 480 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 512 MB
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 2100 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 2.3 (Gingerbread)
Chipset
  • Spreadtrum 7715
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationA402W820
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Screen area
  • 45.5 cm2
  • 30.5 cm2
Screen format
  • 5:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 56.7%
  • 46.1%
PPI /points per inch/
  • 233 PPI
  • 180 PPI
Camera and Video
Camera and Video
SpecificationA402W820
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 176x144@15fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 1.3 MP
Unknown
Performance
Performance
SpecificationA402W820
Processor CPU
  • 1.2 GHz
Unknown
Graphics processor GPU
  • Mali-400
Unknown
General specs
General specs
SpecificationA402W820
Release date
  • 2015
  • June
  • 2012
  • March
Colors
  • White
  • Black
  • Blue
  • Silver
  • Black
Battery life Unknown
  • Stand by time- Up to 600 h Talking time- Up to 8 h
Communication and Connectivity
Communication and Connectivity
SpecificationA402W820
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • Yes
  • 384 kbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 12
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
  • 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.0
Harmful irradiation
  • SAR EU - 0.46 W/kg (head) 0.82 W/kg (body)
Unknown
Music and Audio
Music and Audio
SpecificationA402W820
Radio
  • FM radio
  • FM radio
Other features
Other features
SpecificationA402W820
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity
  • compass - MP3/WAV/WMA/AAC+ player -MP4/H.263 player -Document viewer -Photo viewer/editor -Organizer -Voice memo/dial -Predictive text input