Allview E4 vs vivo NEX Dual Display

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

    E4:
    LCD
    NEX Dual Display:
    OLED
  • Weight

    E4: 69 g lighter

    E4:
    130 g
    NEX Dual Display:
    199 g
  • Width

    E4: 5.1 mm narrower

    E4:
    70.2 mm
    NEX Dual Display:
    75.3 mm
  • Screen diagonal

    E4: 0.89 in smaller diagonal

    E4:
    5.5 in
    NEX Dual Display:
    6.39 in
  • Chipset

    E4:
    Mediatek MT6753 (28 nm)
    NEX Dual Display:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    E4:
    Single
    NEX Dual Display:
    Triple

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. E4

    Height:
    140.7 mm
    Width:
    70.2 mm
    Depth:
    8.6 mm +0.5 mm versus NEX Dual Display
  2. 2. NEX Dual Display

    Height:
    157.2 mm +16.5 mm versus E4
    Width:
    75.3 mm +5.1 mm versus E4
    Depth:
    8.1 mm

Weight

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

  1. 1. E4

    130 g

  2. 2. NEX Dual Display

    199 g

    +69 g versus E4

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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. E4

    E4: Screen geometry unavailable or conflicting.

  2. 2. NEX Dual Display

    Screen diagonal:
    6.39 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.2 cm²

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 E4, NEX Dual Display, compared at the same storage capacity.
StorageE4NEX Dual Display
16 GB 2 GB RAM Not recorded
128 GB Not recorded 10 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. E4

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

2. NEX Dual Display

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. E4

    2100 mAh

  2. 2. NEX Dual Display

    3500 mAh

    +1400 mAh versus E4

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. E42. NEX Dual Display

Everyday essentials
Everyday essentials — specifications for E4, NEX Dual Display.
SpecificationE4NEX Dual Display
Dimensions (HxWxD)
  • 140.7 Х 70.2 Х 8.6 mm
  • 157.2 Х 75.3 Х 8.1 mm
Weight
  • 130 g
  • 199 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 5.5" inch
  • 6.39" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 128 GB
  • 10 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2100 mAh
  • Removable Li-Po
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 9.0 (Pie); Funtouch 4.5
Chipset
  • Mediatek MT6753 (28 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for E4, NEX Dual Display.
SpecificationE4NEX Dual Display
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 68.9 cm2
  • 100.2 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 143.5 Х 69.8 Х 8 mm
  • 84.7%
PPI /points per inch/
  • 294 PPI
  • 403 PPI
Camera and Video
Camera and Video — specifications for E4, NEX Dual Display.
SpecificationE4NEX Dual Display
Rear camera, main
  • 13 MP
  • Single
  • 12 MP
  • Triple
Camera specs
  • 13 MP
  • AF
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • 4-axis OIS
  • Dual Pixel PDAF -2 MP
  • depth sensor -TOF camera
  • f/1.3
Functions
  • Dual-LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 2160p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 12 MP
  • Triple
Specifications
  • 5 MP
  • Uses main cameras
Performance

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

Performance — specifications for E4, NEX Dual Display.
SpecificationE4NEX Dual Display
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU
  • Mali-T720MP3
  • Adreno 630
Antutu 7 score *
  • 23156
Unknown
Antutu 8 score * Unknown
  • 340355
General specs
General specs — specifications for E4, NEX Dual Display.
SpecificationE4NEX Dual Display
Release date
  • 2015
  • September
  • 2018
  • December
Colors
  • Black
  • White
  • Polar Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 240 EUR
  • 700 EUR
Battery life
  • Stand by time- Up to 210 h Talking time- Up to 9 h 30 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for E4, NEX Dual Display.
SpecificationE4NEX Dual Display
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-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 2-3G - HSDPA 900 / 2100-4G - LTE band 2(1900)
  • 3(1800)
  • 20(800)
  • 38(2600)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 19(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (4CA) Cat16 1024/150 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • BDS
  • GNSS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 1.23 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for E4, NEX Dual Display.
SpecificationE4NEX Dual Display
Radio
  • FM radio
  • No
Others Unknown
  • Secondary display (on the back): -Super AMOLED
  • 5.49 inches
  • 1080 x 1920 pixels
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for E4, NEX Dual Display.
SpecificationE4NEX Dual Display
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 10V/2.25A 22.5W