BLU C4 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

    C4:
    LCD
    NEX Dual Display:
    OLED
  • Weight

    C4: 81 g lighter

    C4:
    118 g
    NEX Dual Display:
    199 g
  • Width

    C4: 11.1 mm narrower

    C4:
    64.2 mm
    NEX Dual Display:
    75.3 mm
  • Screen diagonal

    C4: 2.39 in smaller diagonal

    C4:
    4 in
    NEX Dual Display:
    6.39 in
  • Rear camera layout

    C4:
    Single
    NEX Dual Display:
    Triple
  • Depth

    NEX Dual Display: 2.8 mm thinner

    C4:
    10.9 mm
    NEX Dual Display:
    8.1 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.

  1. 1. C4

    Height:
    124.3 mm
    Width:
    64.2 mm
    Depth:
    10.9 mm +2.8 mm versus NEX Dual Display
  2. 2. NEX Dual Display

    Height:
    157.2 mm +32.9 mm versus C4
    Width:
    75.3 mm +11.1 mm versus C4
    Depth:
    8.1 mm

Weight

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

  1. 1. C4

    118 g

  2. 2. NEX Dual Display

    199 g

    +81 g versus C4

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. C4

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. NEX Dual Display

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

NEX Dual Display has approximately 120.1% more rectangular screen area than C4.

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 C4, NEX Dual Display, compared at the same storage capacity.
StorageC4NEX Dual Display
128 GB Unknown 10 GB RAM
C4: Original memory entry

8 GB · 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. C4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

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. C4

    1300 mAh

  2. 2. NEX Dual Display

    3500 mAh

    +2200 mAh versus C4

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. C42. NEX Dual Display

Everyday essentials
Everyday essentials — specifications for C4, NEX Dual Display.
SpecificationC4NEX Dual Display
Dimensions (HxWxD)
  • 124.3 Х 64.2 Х 10.9 mm
  • 157.2 Х 75.3 Х 8.1 mm
Weight
  • 118 g
  • 199 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 4" inch
  • 6.39" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 512 MB RAM
  • 128 GB
  • 10 GB RAM
Memory card support
  • microSD
  • up to 64 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Li-Po
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 9.0 (Pie); Funtouch 4.5
Chipset Unknown
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for C4, NEX Dual Display.
SpecificationC4NEX Dual Display
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 100.2 cm2
Screen format
  • 5:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 57.1%
  • 84.7%
PPI /points per inch/
  • 233 PPI
  • 403 PPI
Camera and Video
Camera and Video — specifications for C4, NEX Dual Display.
SpecificationC4NEX Dual Display
Rear camera, main
  • 5 MP
  • Single
  • 12 MP
  • Triple
Camera specs
  • 5 MP
  • 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
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p@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 C4, NEX Dual Display.
SpecificationC4NEX Dual Display
Processor CPU
  • Quad-core 1.3 GHz
  • Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU
  • Mali-400
  • Adreno 630
Antutu 7 score *
  • 21722
Unknown
Antutu 8 score * Unknown
  • 340355
General specs
General specs — specifications for C4, NEX Dual Display.
SpecificationC4NEX Dual Display
Release date
  • 2018
  • August
  • 2018
  • December
Colors
  • Black
  • Gold
  • Blue
  • Polar Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 USD
  • 700 EUR
Battery life
  • Stand by time- Up to 400 h (2G) / Up to 450 h (3G) Talking time- Up to 18 h (2G) / Up to 13 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for C4, NEX Dual Display.
SpecificationC4NEX Dual Display
SIM card
  • Dual SIM (Micro-SIM)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • 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
  • HSPA 42.2/5.76 Mbps
  • LTE-A (4CA) Cat16 1024/150 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • 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
  • 2.1
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for C4, NEX Dual Display.
SpecificationC4NEX 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 C4, NEX Dual Display.
SpecificationC4NEX Dual Display
Dop
  • Sensors Accelerometer For USA
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 10V/2.25A 22.5W