Celkon A355 vs Samsung i780

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

    A355: 22.5 g lighter

    A355:
    97.5 g
    i780:
    120 g
  • Width

    i780: 2 mm narrower

    A355:
    63.3 mm
    i780:
    61.3 mm
  • Screen diagonal

    i780: 0.95 in smaller diagonal

    A355:
    3.5 in
    i780:
    2.55 in
  • Depth

    A355: 2.7 mm thinner

    A355:
    10.2 mm
    i780:
    12.9 mm
  • Release year

    A355:
    2015
    i780:
    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. A355

    Height:
    115.3 mm
    Width:
    63.3 mm +2 mm versus i780
    Depth:
    10.2 mm
  2. 2. i780

    Height:
    115.9 mm
    Width:
    61.3 mm
    Depth:
    12.9 mm +2.7 mm versus A355

Weight

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

  1. 1. A355

    97.5 g

  2. 2. i780

    120 g

    +22.5 g versus A355

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.

  1. 1. A355

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. i780

    Screen diagonal:
    2.55 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    21 cm²

A355 has approximately 73.9% more rectangular screen area than i780.

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.

A355: Original memory entry

512 MB · 256 MB RAM

i780: Original memory entry

128 MB RAM · 256 MB ROM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. A355

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

2. i780

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot)

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. A355

    1200 mAh

  2. 2. i780

    1480 mAh

    +280 mAh versus A355

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. A3552. i780

Everyday essentials
Everyday essentials — specifications for A355, i780.
SpecificationA355i780
Dimensions (HxWxD)
  • 115.3 Х 63.3 Х 10.2 mm
  • 115.9 Х 61.3 Х 12.9 mm
Weight
  • 97.5 g
  • 120 g
Technology Unknown
  • TFT
Screen size
  • 3.5" inch
  • 2.55" inch
Screen resolution
  • 320 x 480 px
  • 320 x 320 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 RAM
  • 256 MB ROM
Memory card support
  • microSD
  • up to 32 GB
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Li-Ion
  • 1480 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Microsoft Windows Mobile 6.0 Professional
Chipset
  • Spreadtrum 7715
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for A355, i780.
SpecificationA355i780
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors Unknown
  • 65K
Screen area
  • 36.5 cm2
  • 21.0 cm2
Screen format
  • 3:2 (height:width)
  • 1:1 (height:width)
Screen to body ratio
  • 50.0%
  • 29.5%
PPI /points per inch/
  • 165 PPI
  • 177 PPI
Camera and Video
Camera and Video — specifications for A355, i780.
SpecificationA355i780
Rear camera, main
  • 2 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 2 MP
  • 2 MP
Functions
  • Dual-LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
  • VGA videocall camera
Performance
Performance — specifications for A355, i780.
SpecificationA355i780
Processor CPU
  • 1.0 GHz
  • 32-bit Marvell PXA310 624 MHz
Graphics processor GPU
  • Mali-400
Unknown
General specs
General specs — specifications for A355, i780.
SpecificationA355i780
Release date
  • 2015
  • May
  • 2007
  • September
Colors
  • Light Blue
  • Dart Blue
  • Red
  • Yellow
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Battery life Unknown
  • Stand by time- Up to 400 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for A355, i780.
SpecificationA355i780
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
  • HSPA
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11b/g
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB
  • Proprietary
Bluetooth
  • 2.0
  • 2.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.49 W/kg (head) 0.84 W/kg (body)
  • SAR - 0.48 W/kg (head) 0.73 W/kg (body) SAR EU - 0.51 W/kg (head)
Music and Audio
Music and Audio — specifications for A355, i780.
SpecificationA355i780
Radio
  • FM radio
  • No
Other features
Other features — specifications for A355, i780.
SpecificationA355i780
Dop
  • Sensors Accelerometer
  • Pocket Office -Voice memo -Callia Player
  • Callia Reader -Photo Slides -SmartConverter -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Optical trackpad