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Celkon A20 vs O2 XDA Atom Exec

Compare recorded specifications, size and practical differences.

Celkon A20

Celkon A20

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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 diagonalXDA Atom Exec: 1.3 in smaller diagonalXDA Atom Exec: 2.7 in · A20: 4 in
  • Release year2013 / 2006A20: 2013 · XDA Atom Exec: 2006

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
XDA Atom Exec: 102 × 58 mm 2
Side
XDA Atom Exec: 102 × 18.5 mm 2
  1. 1. A20
    Height
    Unknown
    Width
    Unknown
    Depth
    Unknown
    Weight
    Unknown

    Unavailable dimensions are omitted from the drawing.

  2. 2. XDA Atom Exec
    Height
    102 mm
    Width
    58 mm
    Depth
    18.5 mm
    Weight
    140 g

Specifications

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Everyday essentials
Everyday essentials
SpecificationA20XDA Atom Exec
Dimensions (HxWxD)
  • Х Х mm
  • 102 Х 58 Х 18.5 mm
Weight
  • 0 g
  • 140 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 2.7" 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.
  • 256 MB
  • 512 MB RAM
  • 64 MB RAM
  • 192 MB ROM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • miniSD
BatteryCapacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 1530 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.2.0 (Jelly Bean)
  • Microsoft Windows Mobile 5.0 PocketPC
Headphone jack
  • Yes
  • No
Display
Display
SpecificationA20XDA Atom Exec
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Screen area
  • 45.5 cm2
  • 22.6 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio Unknown
  • 38.2%
PPI /points per inch/
  • 233 PPI
  • 148 PPI
Camera and Video
Camera and Video
SpecificationA20XDA Atom Exec
Rear camera, main
  • 3.15 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.15 MP
  • 2 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance
SpecificationA20XDA Atom Exec
Processor CPU
  • Dual-core 1.2 GHz
  • Intel XScale PXA 27x 520MHz
General specs
General specs
SpecificationA20XDA Atom Exec
Release date
  • 2013
  • August
  • 2006
  • June
Colors
  • Black
  • Silver
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 60 EUR
  • 310 EUR
Communication and Connectivity
Communication and Connectivity
SpecificationA20XDA Atom Exec
SIM card
  • Dual SIM (Mini-SIM)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Unknown
Speed
  • Yes
  • 384 kbps
Unknown
GPRS
  • Class 12
  • Class 10
Edge
  • Class 12
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11b
GPS
  • No
  • No
USB
  • microUSB 2.0
  • miniUSB
Bluetooth
  • Yes
  • 1.2
Harmful irradiation
  • SAR EU - 0.88 W/kg (head) 0.60 W/kg (body)
Unknown
Music and Audio
Music and Audio
SpecificationA20XDA Atom Exec
Radio Unknown
  • FM radio
Others Unknown
  • Handwriting recognition
Other features
Other features
SpecificationA20XDA Atom Exec
Dop
  • Sensors Proximity
  • gyro
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player

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