Allview E3 Sign vs Unnecto Quattro

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

    Quattro: 21.9 g lighter

    E3 Sign:
    161.9 g
    Quattro:
    140 g
  • Width

    Quattro: 10.9 mm narrower

    E3 Sign:
    75.9 mm
    Quattro:
    65 mm
  • Screen diagonal

    Quattro: 1.5 in smaller diagonal

    E3 Sign:
    5.5 in
    Quattro:
    4 in
  • Depth

    E3 Sign: 2.2 mm thinner

    E3 Sign:
    9.3 mm
    Quattro:
    11.5 mm
  • Height

    Quattro: 29.5 mm shorter

    E3 Sign:
    152.5 mm
    Quattro:
    123 mm
  • Release year

    E3 Sign:
    2015
    Quattro:
    2012

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. E3 Sign

    Height:
    152.5 mm +29.5 mm versus Quattro
    Width:
    75.9 mm +10.9 mm versus Quattro
    Depth:
    9.3 mm
  2. 2. Quattro

    Height:
    123 mm
    Width:
    65 mm
    Depth:
    11.5 mm +2.2 mm versus E3 Sign

Weight

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

  1. 1. E3 Sign

    161.9 g

    +21.9 g versus Quattro

  2. 2. Quattro

    140 g

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. E3 Sign

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Quattro

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

E3 Sign has approximately 83.1% more rectangular screen area than Quattro.

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 E3 Sign, Quattro, compared at the same storage capacity.
StorageE3 SignQuattro
16 GB 2 GB RAM Unknown
Quattro: Original memory entry

512 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. E3 Sign

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. Quattro

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 8 GB included

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. E3 Sign

    2800 mAh

    +1400 mAh versus Quattro

  2. 2. Quattro

    1400 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. E3 Sign2. Quattro

Everyday essentials
Everyday essentials — specifications for E3 Sign, Quattro.
SpecificationE3 SignQuattro
Dimensions (HxWxD)
  • 152.5 Х 75.9 Х 9.3 mm
  • 123 Х 65 Х 11.5 mm
Weight
  • 161.9 g
  • 140 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 4" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 8 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 2800 mAh
  • Removable Li-Po
  • 1400 mAh
  • Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 2.3 (Gingerbread)
Chipset
  • Mediatek MT6582 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for E3 Sign, Quattro.
SpecificationE3 SignQuattro
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
Unknown
Screen area
  • 83.4 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 72.0%
  • 57.0%
PPI /points per inch/
  • 267 PPI
  • 233 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for E3 Sign, Quattro.
SpecificationE3 SignQuattro
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 3.15 MP
Functions
  • Dual-LED flash
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2 MP
  • VGA
Performance

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

Performance — specifications for E3 Sign, Quattro.
SpecificationE3 SignQuattro
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
Unknown
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
Unknown
Antutu 7 score *
  • 24156
Unknown
General specs
General specs — specifications for E3 Sign, Quattro.
SpecificationE3 SignQuattro
Release date
  • 2015
  • March
  • 2012
  • March
Colors
  • Black
  • Black
Battery life
  • Stand by time- Up to 280 h Talking time- Up to 10 h 20 min
  • Stand by time- Up to 170 h Talking time- Up to 3 h
Communication and Connectivity
Communication and Connectivity — specifications for E3 Sign, Quattro.
SpecificationE3 SignQuattro
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual 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
Speed
  • HSPA 21.1/11.5 Mbps
  • HSPA 7.2/5.76 Mbps
GPRS
  • Class 12
  • Class 12
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 2.1
  • EDR
Harmful irradiation
  • SAR EU - 0.67 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for E3 Sign, Quattro.
SpecificationE3 SignQuattro
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for E3 Sign, Quattro.
SpecificationE3 SignQuattro
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
Unknown