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Allview E3 Sign vs Oppo A57

Compare recorded specifications, size and practical differences.

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.

  • WeightA57: 14.9 g lighterA57: 147 g · E3 Sign: 161.9 g
  • WidthA57: 3 mm narrowerA57: 72.9 mm · E3 Sign: 75.9 mm
  • Screen diagonalA57: 0.3 in smaller diagonalA57: 5.2 in · E3 Sign: 5.5 in
  • ChipsetMediatek MT6582 (28 nm) / Qualcomm MSM8940 Snapdragon 435 (28 nm)E3 Sign: Mediatek MT6582 (28 nm) · A57: Qualcomm MSM8940 Snapdragon 435 (28 nm)
  • DepthA57: 1.6 mm thinnerA57: 7.7 mm · E3 Sign: 9.3 mm
  • HeightA57: 3.4 mm shorterA57: 149.1 mm · E3 Sign: 152.5 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
E3 Sign: 152.5 × 75.9 mm 1 A57: 149.1 × 72.9 mm 2
Side
E3 Sign: 152.5 × 9.3 mm 1 A57: 149.1 × 7.7 mm 2
  1. 1. E3 Sign
    Height
    152.5 mm
    Width
    75.9 mm
    Depth
    9.3 mm
    Weight
    161.9 g
  2. 2. A57
    Height
    149.1 mm
    Width
    72.9 mm
    Depth
    7.7 mm
    Weight
    147 g

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
SpecificationE3 SignA57
Dimensions (HxWxD)
  • 152.5 Х 75.9 Х 9.3 mm
  • 149.1 Х 72.9 Х 7.7 mm
Weight
  • 161.9 g
  • 147 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5.2" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1280 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB
BatteryCapacity is not battery life. No endurance test is implied.
  • 2800 mAh
  • Removable Li-Po
  • 2900 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 6 (Marshmallow); ColorOS 3
Chipset
  • Mediatek MT6582 (28 nm)
  • Qualcomm MSM8940 Snapdragon 435 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationE3 SignA57
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 83.4 cm2
  • 74.5 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 72.0%
  • 68.6%
PPI /points per inch/
  • 267 PPI
  • 282 PPI
Screen protection
  • Scratch-resistant glass
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video
SpecificationE3 SignA57
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • PDAF
  • f/2.2
Functions
  • Dual-LED flash
  • HDR
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 2 MP
  • 16 MP
  • f/2.0
  • 1.12µm
  • AF
Performance
Performance
SpecificationE3 SignA57
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Octa-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Adreno 505
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 24156
  • 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
SpecificationE3 SignA57
Release date
  • 2015
  • March
  • 2016
  • November
Colors
  • Black
  • Black
  • Gold
  • Rose Gold
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer. Unknown
  • 200 EUR
Battery life
  • Stand by time- Up to 280 h Talking time- Up to 10 h 20 min
Unknown
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity
SpecificationE3 SignA57
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
  • 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 21.1/11.5 Mbps
  • HSPA
  • LTE
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.1
  • A2DP
Harmful irradiation
  • SAR EU - 0.67 W/kg (head)
Unknown
Music and Audio
Music and Audio
SpecificationE3 SignA57
Radio
  • FM radio
  • FM radio
Other features
Other features
SpecificationE3 SignA57
Dop
  • Sensors Fingerprint (rear-mounted)
  • Sensors Accelerometer
  • proximity - Also known as Liquid E3 E380 Available as Acer Liquid E3 Duo with dual-SIM card slots
  • Infrared port - Fast battery charging (Pump Express 2.0+) - For metroPCS
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Also known as Oppo F3 Lite in Vietnam