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Celkon A402 vs Dell XCD28

Compare recorded specifications, size and practical differences.

Celkon A402

Celkon A402

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Dell XCD28

Dell XCD28

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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.

  • WidthXCD28: 9 mm narrowerXCD28: 55 mm · A402: 64 mm
  • Screen diagonalXCD28: 1.2 in smaller diagonalXCD28: 2.8 in · A402: 4 in
  • ChipsetSpreadtrum 7715 / Qualcomm MSM7227 Snapdragon S1A402: Spreadtrum 7715 · XCD28: Qualcomm MSM7227 Snapdragon S1
  • DepthA402: 4.3 mm thinnerA402: 10.2 mm · XCD28: 14.5 mm
  • HeightXCD28: 23.5 mm shorterXCD28: 102 mm · A402: 125.5 mm
  • Release year2015 / 2010A402: 2015 · XCD28: 2010

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 XCD28: 102 × 55 mm 2
Side
A402: 125.5 × 10.2 mm 1 XCD28: 102 × 14.5 mm 2
  1. 1. A402
    Height
    125.5 mm+23.5 mm versus XCD28
    Width
    64 mm+9 mm versus XCD28
    Depth
    10.2 mm
    Weight
    104 g
  2. 2. XCD28
    Height
    102 mm
    Width
    55 mm
    Depth
    14.5 mm+4.3 mm versus A402
    Weight
    100 g
Weight

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

  1. 1. A402104 g

    +4 g versus XCD28

  2. 2. XCD28100 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.

Screen size
A402: 4 in, 5:3, About 45.5 cm² rectangular area 1 XCD28: 2.8 in, 4:3, About 24.3 cm² rectangular area 2
  1. 1. A402 4 in · 5:3 About 45.5 cm² rectangular area
  2. 2. XCD28 2.8 in · 4:3 About 24.3 cm² rectangular area

A402 has approximately 87.6% more rectangular screen area than XCD28.

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

XCD28: Original memory entry

256 MB RAM · 256 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. XCD28

NFC
Unknown
Headphone jack
Yes
Memory card support
See details microSD · up to 8 GB (dedicated slot) · 2 GB included

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

    +900 mAh versus XCD28

  2. 2. XCD281100 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. XCD28

Everyday essentials
Everyday essentials
SpecificationA402XCD28
Dimensions (HxWxD)
  • 125.5 Х 64 Х 10.2 mm
  • 102 Х 55 Х 14.5 mm
Weight
  • 104 g
  • 100 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 2.8" inch
Screen resolution
  • 480 x 800 px
  • 240 x 320 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 256 MB RAM
  • 256 MB
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 8 GB (dedicated slot)
  • 2 GB included
BatteryCapacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 1100 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 2.1 (Eclair)
Chipset
  • Spreadtrum 7715
  • Qualcomm MSM7227 Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationA402XCD28
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors Unknown
  • 256K
Screen area
  • 45.5 cm2
  • 24.3 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 56.7%
  • 43.3%
PPI /points per inch/
  • 233 PPI
  • 143 PPI
Camera and Video
Camera and Video
SpecificationA402XCD28
Rear camera, main
  • 3.15 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 3.15 MP
  • 3.15 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 0 MP,
Specifications
  • 1.3 MP
Unknown
Performance
Performance
SpecificationA402XCD28
Processor CPU
  • 1.2 GHz
  • 600 MHz ARM 11
Graphics processor GPU
  • Mali-400
  • Adreno 200
General specs
General specs
SpecificationA402XCD28
Release date
  • 2015
  • June
  • 2010
  • November
Colors
  • White
  • Black
  • Blue
  • Silver
  • Black
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer. Unknown
  • 180 EUR
Communication and Connectivity
Communication and Connectivity
SpecificationA402XCD28
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 850 / 900 / 1800 / 1900
Speed
  • Yes
  • 384 kbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
  • A2DP
  • EDR
Harmful irradiation
  • SAR EU - 0.46 W/kg (head) 0.82 W/kg (body)
Unknown
Music and Audio
Music and Audio
SpecificationA402XCD28
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Other features
Other features
SpecificationA402XCD28
Dop
  • Sensors Accelerometer
  • MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Document viewer -Voice memo -Predictive text input