Oppo A57 vs Samsung Galaxy J8

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.

  • Display technology

    OLED versus LCD

    A57:
    LCD
    Galaxy J8:
    OLED
  • Weight

    A57: 30 g lighter

    A57:
    147 g
    Galaxy J8:
    177 g
  • Width

    A57: 2.8 mm narrower

    A57:
    72.9 mm
    Galaxy J8:
    75.7 mm
  • Screen diagonal

    A57: 0.8 in smaller diagonal

    A57:
    5.2 in
    Galaxy J8:
    6 in
  • Chipset

    A57:
    Qualcomm MSM8940 Snapdragon 435 (28 nm)
    Galaxy J8:
    Qualcomm SDM450 Snapdragon 450 (14 nm)
  • Rear camera layout

    A57:
    Single
    Galaxy J8:
    Dual

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
    Width:
    72.9 mm
    Depth:
    7.7 mm
  2. 2. Galaxy J8

    Height:
    159.2 mm +10.1 mm versus A57
    Width:
    75.7 mm +2.8 mm versus A57
    Depth:
    8.2 mm +0.5 mm versus A57

Weight

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

  1. 1. A57

    147 g

  2. 2. Galaxy J8

    177 g

    +30 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 J8

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    91.4 cm²

Galaxy J8 has approximately 22.6% more rectangular screen area than A57.

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 J8, compared at the same storage capacity.
StorageA57Galaxy J8
32 GB 3 GB RAM Unknown
Galaxy J8: Original memory entry

64 GB · 4 GB RAM 32 GB · 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. A57

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

2. Galaxy J8

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

  2. 2. Galaxy J8

    3500 mAh

    +600 mAh versus A57

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 J8

Everyday essentials
Everyday essentials — specifications for A57, Galaxy J8.
SpecificationA57Galaxy J8
Dimensions (HxWxD)
  • 149.1 Х 72.9 Х 7.7 mm
  • 159.2 Х 75.7 Х 8.2 mm
Weight
  • 147 g
  • 177 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 5.2" inch
  • 6" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 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
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 6 (Marshmallow); ColorOS 3
  • Android 8.0 (Oreo)
Chipset
  • Qualcomm MSM8940 Snapdragon 435 (28 nm)
  • Qualcomm SDM450 Snapdragon 450 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A57, Galaxy J8.
SpecificationA57Galaxy J8
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 74.5 cm2
  • 91.4 cm2
Screen format
  • 16:9 (height:width)
  • 18.5:9 (height:width)
Screen to body ratio
  • 68.6%
  • 75.8%
PPI /points per inch/
  • 282 PPI
  • 274 PPI
Screen protection
  • Corning Gorilla Glass 4
Unknown
Camera and Video
Camera and Video — specifications for A57, Galaxy J8.
SpecificationA57Galaxy J8
Rear camera, main
  • 13 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 13 MP
  • PDAF
  • f/2.2
  • 16 MP
  • f/1.7
  • AF -5 MP
  • f/1.9
  • depth sensor
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • 1.12µm
  • AF
  • 16 MP
  • f/1.9
Performance

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

Performance — specifications for A57, Galaxy J8.
SpecificationA57Galaxy J8
Processor CPU
  • Octa-core 1.4 GHz Cortex-A53
  • Octa-core 1.6 GHz Cortex-A53
Graphics processor GPU
  • Adreno 505
  • Adreno 506
Antutu 7 score *
  • 46782
  • 57202
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 J8.
SpecificationA57Galaxy J8
Release date
  • 2016
  • November
  • 2018
  • May
Colors
  • Black
  • Gold
  • Rose Gold
  • Black
  • Gold
  • Blue
  • Purple
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 250 EUR
Battery life Unknown
  • Talking time- Up to 23 h (3G) Music play - Up to 112 h
Body build
  • Front glass
  • aluminum body
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for A57, Galaxy J8.
SpecificationA57Galaxy J8
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • 66(1700/2100) - J810Y/DS
Speed
  • HSPA
  • LTE
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 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
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.57 W/kg (head) 1.18 W/kg (body)
Music and Audio
Music and Audio — specifications for A57, Galaxy J8.
SpecificationA57Galaxy J8
Radio
  • FM radio
  • FM radio
  • recording
Other features
Other features — specifications for A57, Galaxy J8.
SpecificationA57Galaxy J8
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Also known as Oppo F3 Lite in Vietnam
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - Versions: J810F/DS (Global DS); J810G/DS (India); J810Y/DS (Asia) Also known as Samsung Galaxy On8 in India