Celkon A64 vs Thuraya SG-2520

Compare recorded specifications, size and practical differences.

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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

    A64: 44.4 g lighter

    A64:
    125.6 g
    SG-2520:
    170 g
  • Width

    SG-2520: 12 mm narrower

    A64:
    65 mm
    SG-2520:
    53 mm
  • Screen diagonal

    SG-2520: 2.1 in smaller diagonal

    A64:
    4 in
    SG-2520:
    1.9 in
  • Depth

    A64: 8.3 mm thinner

    A64:
    10.5 mm
    SG-2520:
    18.8 mm
  • Height

    A64: 14.5 mm shorter

    A64:
    124 mm
    SG-2520:
    138.5 mm
  • Release year

    A64:
    2014
    SG-2520:
    2007

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. A64

    Height:
    124 mm
    Width:
    65 mm +12 mm versus SG-2520
    Depth:
    10.5 mm
  2. 2. SG-2520

    Height:
    138.5 mm +14.5 mm versus A64
    Width:
    53 mm
    Depth:
    18.8 mm +8.3 mm versus A64

Weight

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

  1. 1. A64

    125.6 g

  2. 2. SG-2520

    170 g

    +44.4 g versus A64

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. A64

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    47.6 cm²
  2. 2. SG-2520

    SG-2520: 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.

A64: Original memory entry

512 MB · 256 MB RAM

SG-2520: Original memory entry

128 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. A64

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

2. SG-2520

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SD ( 128 MB included )

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. A64

    1400 mAh

    +120 mAh versus SG-2520

  2. 2. SG-2520

    1280 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. A642. SG-2520

Everyday essentials
Everyday essentials — specifications for A64, SG-2520.
SpecificationA64SG-2520
Dimensions (HxWxD)
  • 124 Х 65 Х 10.5 mm
  • 138.5 Х 53 Х 18.8 mm
Weight
  • 125.6 g
  • 170 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 1.9" inch
Screen resolution
  • 320 x 480 px
  • 176 x 220 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 128 MB
Memory card support
  • microSD
  • up to 32 GB
  • SD ( 128 MB included )
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 1280 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • WinCE 4.2
Headphone jack
  • Yes
  • No
Display
Display — specifications for A64, SG-2520.
SpecificationA64SG-2520
Touchscreen
  • capacitive touchscreen
Unknown
Display colors Unknown
  • 256K
Screen area
  • 47.6 cm2
  • 11.4 cm2
Screen format
  • 3:2 (height:width)
Unknown
Screen to body ratio
  • 59.1%
  • 15.5%
PPI /points per inch/
  • 144 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for A64, SG-2520.
SpecificationA64SG-2520
Rear camera, main
  • 2 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 2 MP
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for A64, SG-2520.
SpecificationA64SG-2520
Processor CPU
  • Dual-core 1.2 GHz
Unknown
General specs
General specs — specifications for A64, SG-2520.
SpecificationA64SG-2520
Release date
  • 2014
  • 2007
  • March
Colors
  • White
  • Black
  • Light Silver
  • Dark Gray
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 8 h 20 min
  • Stand by time- Up to 75 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for A64, SG-2520.
SpecificationA64SG-2520
SIM card
  • Dual SIM
  • Mini-SIM
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • No
GPS
  • Yes
  • Yes
USB
  • microUSB
  • 1.1
Bluetooth
  • 2.0
  • 1.1
Harmful irradiation
  • SAR EU - 0.42 W/kg (head) 0.55 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A64, SG-2520.
SpecificationA64SG-2520
Radio
  • FM radio
  • No
Others Unknown
  • Wallpapers
  • screensavers
Other features
Other features — specifications for A64, SG-2520.
SpecificationA64SG-2520
Dop
  • Sensors Accelerometer
  • Infrared port - MP3/AAC/MP4/AMR player -eZi Text Input -Organizer -Voice memo -File browser