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Oppo A57 vs ZTE Open

Compare recorded specifications, size and practical differences.

Oppo A57

Oppo A57

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ZTE Open

ZTE Open

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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.

  • WidthOpen: 10.9 mm narrowerOpen: 62 mm · A57: 72.9 mm
  • Screen diagonalOpen: 1.7 in smaller diagonalOpen: 3.5 in · A57: 5.2 in
  • ChipsetQualcomm MSM8940 Snapdragon 435 (28 nm) / Qualcomm MSM7225A Snapdragon S1A57: Qualcomm MSM8940 Snapdragon 435 (28 nm) · Open: Qualcomm MSM7225A Snapdragon S1
  • DepthA57: 4.8 mm thinnerA57: 7.7 mm · Open: 12.5 mm
  • HeightOpen: 35.1 mm shorterOpen: 114 mm · A57: 149.1 mm
  • Release year2016 / 2013A57: 2016 · Open: 2013

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
A57: 149.1 × 72.9 mm 1 Open: 114 × 62 mm 2
Side
A57: 149.1 × 7.7 mm 1 Open: 114 × 12.5 mm 2
  1. 1. A57
    Height
    149.1 mm
    Width
    72.9 mm
    Depth
    7.7 mm
    Weight
    147 g
  2. 2. Open
    Height
    114 mm
    Width
    62 mm
    Depth
    12.5 mm
    Weight
    Unknown

Specifications

Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

Everyday essentials
Everyday essentials
SpecificationA57Open
Dimensions (HxWxD)
  • 149.1 Х 72.9 Х 7.7 mm
  • 114 Х 62 Х 12.5 mm
Weight
  • 147 g
  • 0 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.2" inch
  • 3.5" inch
Screen resolution
  • 720 x 1280 px
  • 320 x 480 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 512 MB ROM
  • 256 MB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
BatteryCapacity is not battery life. No endurance test is implied.
  • 2900 mAh
  • Non-removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6 (Marshmallow); ColorOS 3
  • Firefox OS 1.0
Chipset
  • Qualcomm MSM8940 Snapdragon 435 (28 nm)
  • Qualcomm MSM7225A Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationA57Open
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 74.5 cm2
  • 36.5 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 68.6%
  • 51.6%
PPI /points per inch/
  • 282 PPI
  • 165 PPI
Screen protection
  • Corning Gorilla Glass 4
Unknown
Camera and Video
Camera and Video
SpecificationA57Open
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • PDAF
  • f/2.2
  • 3.15 MP
Functions
  • LED flash
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 16 MP
  • Single
  • 0 MP,
Specifications
  • 16 MP
  • f/2.0
  • 1.12µm
  • AF
Unknown
Performance
Performance
SpecificationA57Open
Processor CPU
  • Octa-core 1.4 GHz Cortex-A53
  • 1.0 GHz Cortex-A5
Graphics processor GPU
  • Adreno 505
  • Adreno 200
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 46782
  • 1456
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 657
Unknown
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 2764
Unknown
GeekBench 4 RenderScriptLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 2302
Unknown
General specs
General specs
SpecificationA57Open
Release date
  • 2016
  • November
  • 2013
  • February
Colors
  • Black
  • Gold
  • Rose Gold
  • Blue
  • Orange
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
Unknown
Body build
  • Front glass
  • aluminum body
Unknown
Communication and Connectivity
Communication and Connectivity
SpecificationA57Open
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
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
Speed
  • HSPA
  • LTE
  • HSPA 7.2/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • 2.1
  • A2DP
  • EDR
Music and Audio
Music and Audio
SpecificationA57Open
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features
SpecificationA57Open
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Also known as Oppo F3 Lite in Vietnam
  • Sensors Accelerometer
  • proximity - MP3/eAAC+/WAV/WMA player -MP4/H.264/WMV player -Document viewer -Photo viewer -Organizer -Voice memo/dial -Predictive text input