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Celkon A355 vs Oppo A57

Compare recorded specifications, size and practical differences.

Celkon A355

Celkon A355

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Oppo A57

Oppo A57

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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.

  • WeightA355: 49.5 g lighterA355: 97.5 g · A57: 147 g
  • WidthA355: 9.6 mm narrowerA355: 63.3 mm · A57: 72.9 mm
  • Screen diagonalA355: 1.7 in smaller diagonalA355: 3.5 in · A57: 5.2 in
  • ChipsetSpreadtrum 7715 / Qualcomm MSM8940 Snapdragon 435 (28 nm)A355: Spreadtrum 7715 · A57: Qualcomm MSM8940 Snapdragon 435 (28 nm)
  • DepthA57: 2.5 mm thinnerA57: 7.7 mm · A355: 10.2 mm
  • HeightA355: 33.8 mm shorterA355: 115.3 mm · A57: 149.1 mm

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
A355: 115.3 × 63.3 mm 1 A57: 149.1 × 72.9 mm 2
Side
A355: 115.3 × 10.2 mm 1 A57: 149.1 × 7.7 mm 2
  1. 1. A355
    Height
    115.3 mm
    Width
    63.3 mm
    Depth
    10.2 mm+2.5 mm versus A57
    Weight
    97.5 g
  2. 2. A57
    Height
    149.1 mm+33.8 mm versus A355
    Width
    72.9 mm+9.6 mm versus A355
    Depth
    7.7 mm
    Weight
    147 g
Weight

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

  1. 1. A35597.5 g
  2. 2. A57147 g

    +49.5 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.

Screen size
A355: 3.5 in, 3:2, About 36.5 cm² rectangular area 1 A57: 5.2 in, 16:9, About 74.5 cm² rectangular area 2
  1. 1. A355 3.5 in · 3:2 About 36.5 cm² rectangular area
  2. 2. A57 5.2 in · 16:9 About 74.5 cm² rectangular area

A57 has approximately 104.4% more rectangular screen area than A355.

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 by storage capacity and phone
StorageA355A57
32 GB Unknown 3 GB RAM
A355: Original memory entry

512 MB · 256 MB 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. A355

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

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 capacity

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

  1. 1. A3551200 mAh
  2. 2. A572900 mAh

    +1700 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. A57

Everyday essentials
Everyday essentials
SpecificationA355A57
Dimensions (HxWxD)
  • 115.3 Х 63.3 Х 10.2 mm
  • 149.1 Х 72.9 Х 7.7 mm
Weight
  • 97.5 g
  • 147 g
Technology Unknown
  • IPS LCD
Screen size
  • 3.5" inch
  • 5.2" inch
Screen resolution
  • 320 x 480 px
  • 720 x 1280 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB
BatteryCapacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Li-Ion
  • 2900 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 6 (Marshmallow); ColorOS 3
Chipset
  • Spreadtrum 7715
  • Qualcomm MSM8940 Snapdragon 435 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationA355A57
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 36.5 cm2
  • 74.5 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 50.0%
  • 68.6%
PPI /points per inch/
  • 165 PPI
  • 282 PPI
Screen protection Unknown
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video
SpecificationA355A57
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • PDAF
  • f/2.2
Functions
  • Dual-LED flash
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • VGA
  • 16 MP
  • f/2.0
  • 1.12µm
  • AF
Performance
Performance
SpecificationA355A57
Processor CPU
  • 1.0 GHz
  • Octa-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Mali-400
  • Adreno 505
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 46782
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 657
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 2764
GeekBench 4 RenderScriptLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 2302
General specs
General specs
SpecificationA355A57
Release date
  • 2015
  • May
  • 2016
  • November
Colors
  • Light Blue
  • Dart Blue
  • Red
  • Yellow
  • White
  • Black
  • Gold
  • Rose Gold
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer. Unknown
  • 200 EUR
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity
SpecificationA355A57
SIM card
  • Dual 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
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • 4.1
  • A2DP
Harmful irradiation
  • SAR EU - 0.49 W/kg (head) 0.84 W/kg (body)
Unknown
Music and Audio
Music and Audio
SpecificationA355A57
Radio
  • FM radio
  • FM radio
Other features
Other features
SpecificationA355A57
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Also known as Oppo F3 Lite in Vietnam