You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.<

BLU J4 vs YU Yunicorn

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    J4: 14 g lighter

    J4:
    158 g
    Yunicorn:
    172 g
  • Width

    J4: 3.1 mm narrower

    J4:
    72.3 mm
    Yunicorn:
    75.4 mm
  • Depth

    Yunicorn: 1.5 mm thinner

    J4:
    10 mm
    Yunicorn:
    8.5 mm
  • Height

    J4: 2.3 mm shorter

    J4:
    151 mm
    Yunicorn:
    153.3 mm
  • Release year

    J4:
    2019
    Yunicorn:
    2016

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. J4

    Height:
    151 mm
    Width:
    72.3 mm
    Depth:
    10 mm +1.5 mm versus Yunicorn
  2. 2. Yunicorn

    Height:
    153.3 mm +2.3 mm versus J4
    Width:
    75.4 mm +3.1 mm versus J4
    Depth:
    8.5 mm

Weight

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

  1. 1. J4

    158 g

  2. 2. Yunicorn

    172 g

    +14 g versus J4

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. J4

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²
  2. 2. Yunicorn

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

Yunicorn has approximately 6.8% more rectangular screen area than J4.

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 J4, Yunicorn, compared at the same storage capacity.
StorageJ4Yunicorn
32 GB 1 GB RAM Unknown
Yunicorn: Original memory entry

32 GB · 512GB 4GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. J4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC

2. Yunicorn

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

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. J4

    2200 mAh

  2. 2. Yunicorn

    4000 mAh

    +1800 mAh versus J4

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. J42. Yunicorn

Everyday essentials
Everyday essentials — specifications for J4, Yunicorn.
SpecificationJ4Yunicorn
Dimensions (HxWxD)
  • 151 Х 72.3 Х 10 mm
  • 153.3 Х 75.4 Х 8.5 mm
Weight
  • 158 g
  • 172 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5.5" inch
Screen resolution
  • 720 x 1440 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 32 GB
  • 512GB 4GB
Memory card support
  • microSDXC
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2200 mAh
  • Removable Li-Po
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 5.1.1 (Lollipop)
Chipset Unknown
  • Mediatek MT6755 Helio P10 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J4, Yunicorn.
SpecificationJ4Yunicorn
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 83.4 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 71.5%
  • 72.1%
PPI /points per inch/
  • 293 PPI
  • 401 PPI
Camera and Video
Camera and Video — specifications for J4, Yunicorn.
SpecificationJ4Yunicorn
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • PDAF
  • f/2.2
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 MP
  • 5 MP
  • f/2.0
Performance

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

Performance — specifications for J4, Yunicorn.
SpecificationJ4Yunicorn
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Octa-core (4x1.8 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • Mali-400
  • Mali-T860MP2
GeekBench 4 Single Core * Unknown
  • 702
GeekBench 4 Multi-Core * Unknown
  • 2630
GeekBench 4 RenderScript * Unknown
  • 1268
General specs
General specs — specifications for J4, Yunicorn.
SpecificationJ4Yunicorn
Release date
  • 2019
  • October
  • 2016
  • May
Colors
  • Blue
  • Black
  • Brown
  • Silver
  • Graphite
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 180 EUR
Battery life Unknown
  • Stand by time- Up to 500 h (3G) Talking time- Up to 20 h (3G) Music play - Up to 100 h
Communication and Connectivity
Communication and Connectivity — specifications for J4, Yunicorn.
SpecificationJ4Yunicorn
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid 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 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 5(850)
  • 40(2300)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 4.1
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.52 W/kg (head) 0.81 W/kg (body)
Music and Audio
Music and Audio — specifications for J4, Yunicorn.
SpecificationJ4Yunicorn
Radio
  • FM radio
  • FM radio
Others Unknown
  • Around YU 2
  • DTS sound -Active noise cancellation with dedicated mic
Other features
Other features — specifications for J4, Yunicorn.
SpecificationJ4Yunicorn
Dop
  • Sensors Accelerometer For USA
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity - Also known as YU YU5530