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Celkon A20 vs Samsung D720

Compare recorded specifications, size and practical differences.

+ Add a third phone

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 diagonal

    D720: 2.2 in smaller diagonal

    A20:
    4 in
    D720:
    1.8 in
  • Release year

    A20:
    2013
    D720:
    2005

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. A20

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

  2. 2. D720

    Height:
    99 mm
    Width:
    47 mm
    Depth:
    23 mm
    Weight:
    115 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. A20

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. D720

    D720: Screen geometry unavailable or conflicting.

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.

A20: Original memory entry

256 MB · 512 MB RAM

D720: Original memory entry

18 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. A20

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

2. D720

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details MMC-micro

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. A20

    1500 mAh

    +600 mAh versus D720

  2. 2. D720

    900 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. A202. D720

Everyday essentials
Everyday essentials — specifications for A20, D720.
SpecificationA20D720
Dimensions (HxWxD)
  • Х Х mm
  • 99 Х 47 Х 23 mm
Weight
  • 0 g
  • 115 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 1.8" inch
Screen resolution
  • 480 x 800 px
  • 176 x 220 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 MB
  • 512 MB RAM
  • 18 MB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • MMC-micro
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 900 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2.0 (Jelly Bean)
  • Symbian OS 7.0
  • Series 60 UI
Headphone jack
  • Yes
  • No
Display
Display — specifications for A20, D720.
SpecificationA20D720
Touchscreen
  • capacitive touchscreen
Unknown
Display colors Unknown
  • 256K
Screen area
  • 45.5 cm2
  • 10.2 cm2
Screen format
  • 5:3 (height:width)
Unknown
Screen to body ratio Unknown
  • 21.9%
PPI /points per inch/
  • 233 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for A20, D720.
SpecificationA20D720
Rear camera, main
  • 3.15 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 3.15 MP
  • 1.3 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for A20, D720.
SpecificationA20D720
Processor CPU
  • Dual-core 1.2 GHz
  • TI 192 MHz
General specs
General specs — specifications for A20, D720.
SpecificationA20D720
Release date
  • 2013
  • August
  • 2005
  • Q1
Colors
  • Black
  • Black
  • Red
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 60 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 170 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for A20, D720.
SpecificationA20D720
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
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • No
GPS
  • No
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • Yes
  • 2.0
Harmful irradiation
  • SAR EU - 0.88 W/kg (head) 0.60 W/kg (body)
  • SAR EU - 0.40 W/kg (head)
Music and Audio
Music and Audio — specifications for A20, D720.
SpecificationA20D720
Radio Unknown
  • No
Other features
Other features — specifications for A20, D720.
SpecificationA20D720
Dop
  • Sensors Proximity
  • gyro
  • MP3/AAC/WAV/MP4 player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -SyncML -Predictive text input -Voice memo -Voice command -Organizer