Celkon A900 vs Oppo A57

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

    A57: 38 g lighter

    A900:
    185 g
    A57:
    147 g
  • Width

    A57: 8.8 mm narrower

    A900:
    81.7 mm
    A57:
    72.9 mm
  • Screen diagonal

    A900: 0.2 in smaller diagonal

    A900:
    5 in
    A57:
    5.2 in
  • Depth

    A57: 2.5 mm thinner

    A900:
    10.2 mm
    A57:
    7.7 mm
  • Height

    A57: 3.7 mm shorter

    A900:
    152.8 mm
    A57:
    149.1 mm
  • Release year

    A900:
    2012
    A57:
    2016

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. A900

    Height:
    152.8 mm +3.7 mm versus A57
    Width:
    81.7 mm +8.8 mm versus A57
    Depth:
    10.2 mm +2.5 mm versus A57
  2. 2. A57

    Height:
    149.1 mm
    Width:
    72.9 mm
    Depth:
    7.7 mm

Weight

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

  1. 1. A900

    185 g

    +38 g versus A57

  2. 2. A57

    147 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.

  1. 1. A900

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    71.2 cm²
  2. 2. A57

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 cm²

A57 has approximately 4.8% more rectangular screen area than A900.

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.

Recorded RAM for A900, A57, compared at the same storage capacity.
StorageA900A57
32 GB Unknown 3 GB RAM

Practical features

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

1. A900

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

2. A57

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

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. A900

    2000 mAh

  2. 2. A57

    2900 mAh

    +900 mAh versus A900

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. A9002. A57

Everyday essentials
Everyday essentials — specifications for A900, A57.
SpecificationA900A57
Dimensions (HxWxD)
  • 152.8 Х 81.7 Х 10.2 mm
  • 149.1 Х 72.9 Х 7.7 mm
Weight
  • 185 g
  • 147 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 5" inch
  • 5.2" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 2900 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 2.3.6 (Gingerbread)
  • Android 6 (Marshmallow); ColorOS 3
Chipset Unknown
  • Qualcomm MSM8940 Snapdragon 435 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A900, A57.
SpecificationA900A57
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 71.2 cm2
  • 74.5 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.0%
  • 68.6%
PPI /points per inch/
  • 187 PPI
  • 282 PPI
Screen protection Unknown
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for A900, A57.
SpecificationA900A57
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • 13 MP
  • PDAF
  • f/2.2
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications Unknown
  • 16 MP
  • f/2.0
  • 1.12µm
  • AF
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for A900, A57.
SpecificationA900A57
Processor CPU
  • 1.0 GHz
  • Octa-core 1.4 GHz Cortex-A53
Graphics processor GPU Unknown
  • Adreno 505
Antutu 7 score * Unknown
  • 46782
GeekBench 4 Single Core * Unknown
  • 657
GeekBench 4 Multi-Core * Unknown
  • 2764
GeekBench 4 RenderScript * Unknown
  • 2302
General specs
General specs — specifications for A900, A57.
SpecificationA900A57
Release date
  • 2012
  • November
  • 2016
  • November
Colors
  • Black
  • Black
  • Gold
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 200 EUR
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 8 h 20 min
Unknown
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for A900, A57.
SpecificationA900A57
SIM card
  • Dual SIM (Mini-SIM)
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • Yes
  • 4.1
  • A2DP
Music and Audio
Music and Audio — specifications for A900, A57.
SpecificationA900A57
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A900, A57.
SpecificationA900A57
Dop
  • Sensors Accelerometer MP3/WAV/eAAC player -MP4/H.264 player -Document viewer -Photo viewer/editor
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Also known as Oppo F3 Lite in Vietnam