Oppo A57 vs Samsung Galaxy J2 Core

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: 7 g lighter

    A57:
    147 g
    Galaxy J2 Core:
    154 g
  • Screen diagonal

    Galaxy J2 Core: 0.2 in smaller diagonal

    A57:
    5.2 in
    Galaxy J2 Core:
    5 in
  • Chipset

    A57:
    Qualcomm MSM8940 Snapdragon 435 (28 nm)
    Galaxy J2 Core:
    Exynos 7570 Quad (14 nm)
  • Depth

    A57: 1.2 mm thinner

    A57:
    7.7 mm
    Galaxy J2 Core:
    8.9 mm
  • Height

    Galaxy J2 Core: 5.7 mm shorter

    A57:
    149.1 mm
    Galaxy J2 Core:
    143.4 mm
  • Release year

    A57:
    2016
    Galaxy J2 Core:
    2018

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. A57

    Height:
    149.1 mm +5.7 mm versus Galaxy J2 Core
    Width:
    72.9 mm
    Depth:
    7.7 mm
  2. 2. Galaxy J2 Core

    Height:
    143.4 mm
    Width:
    72.1 mm
    Depth:
    8.9 mm +1.2 mm versus A57

Weight

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

  1. 1. A57

    147 g

  2. 2. Galaxy J2 Core

    154 g

    +7 g versus A57

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. A57

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 cm²
  2. 2. Galaxy J2 Core

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

A57 has approximately 8.2% more rectangular screen area than Galaxy J2 Core.

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 A57, Galaxy J2 Core, compared at the same storage capacity.
StorageA57Galaxy J2 Core
8 GB Not recorded 1 GB RAM
32 GB 3 GB RAM Not recorded

Practical features

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

1. A57

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

2. Galaxy J2 Core

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (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. A57

    2900 mAh

    +300 mAh versus Galaxy J2 Core

  2. 2. Galaxy J2 Core

    2600 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. A572. Galaxy J2 Core

Everyday essentials
Everyday essentials — specifications for A57, Galaxy J2 Core.
SpecificationA57Galaxy J2 Core
Dimensions (HxWxD)
  • 149.1 Х 72.9 Х 7.7 mm
  • 143.4 Х 72.1 Х 8.9 mm
Weight
  • 147 g
  • 154 g
Technology
  • IPS LCD
  • PLS TFT
Screen size
  • 5.2" inch
  • 5" inch
Screen resolution
  • 720 x 1280 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2900 mAh
  • Non-removable Li-Ion
  • 2600 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6 (Marshmallow); ColorOS 3
  • Android 8.1 Oreo (Go edition)
Chipset
  • Qualcomm MSM8940 Snapdragon 435 (28 nm)
  • Exynos 7570 Quad (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A57, Galaxy J2 Core.
SpecificationA57Galaxy J2 Core
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 74.5 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 68.6%
  • 66.7%
PPI /points per inch/
  • 282 PPI
  • 220 PPI
Screen protection
  • Corning Gorilla Glass 4
  • Corning Gorilla Glass (unspecified version)
Camera and Video
Camera and Video — specifications for A57, Galaxy J2 Core.
SpecificationA57Galaxy J2 Core
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • PDAF
  • f/2.2
  • 8 MP
  • AF
  • f/2.2
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • 1.12µm
  • AF
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for A57, Galaxy J2 Core.
SpecificationA57Galaxy J2 Core
Processor CPU
  • Octa-core 1.4 GHz Cortex-A53
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Adreno 505
  • Mali-T720
Antutu 7 score *
  • 46782
  • 37852
GeekBench 4 Single Core *
  • 657
Unknown
GeekBench 4 Multi-Core *
  • 2764
Unknown
GeekBench 4 RenderScript *
  • 2302
Unknown
General specs
General specs — specifications for A57, Galaxy J2 Core.
SpecificationA57Galaxy J2 Core
Release date
  • 2016
  • November
  • 2018
  • August
Colors
  • Black
  • Gold
  • Rose Gold
  • Black
  • Gold
  • Lavender
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 100 EUR
Body build
  • Front glass
  • aluminum body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A57, Galaxy J2 Core.
SpecificationA57Galaxy J2 Core
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • 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)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 - J260Y/DS
  • J260G/DS HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - J260M/DS -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500) - J260Y/DS LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 12(700)
  • 17(700)
  • 28(700) - J260M/DS LTE band 1(2100)
  • 20(800) - J260G/DS
Speed
  • HSPA
  • LTE
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.1
  • A2DP
  • 4.2
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.61 W/kg (head) 0.61 W/kg (body) SAR EU - 1.39 W/kg (body)
Music and Audio
Music and Audio — specifications for A57, Galaxy J2 Core.
SpecificationA57Galaxy J2 Core
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A57, Galaxy J2 Core.
SpecificationA57Galaxy J2 Core
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Also known as Oppo F3 Lite in Vietnam
  • Sensors Accelerometer
  • proximity - Versions: SM-J260M/DS (LATAM); SM-J260Y/DS (Philippines); SM-J260G/DS (India)