BLU J4 vs Meizu X8

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.

  • Width

    J4: 2.3 mm narrower

    J4:
    72.3 mm
    X8:
    74.6 mm
  • Screen diagonal

    J4: 0.7 in smaller diagonal

    J4:
    5.5 in
    X8:
    6.2 in
  • Rear camera layout

    J4:
    Single
    X8:
    Dual
  • Depth

    X8: 2.2 mm thinner

    J4:
    10 mm
    X8:
    7.8 mm
  • Release year

    J4:
    2019
    X8:
    2018

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 +2.2 mm versus X8
  2. 2. X8

    Height:
    151.2 mm
    Width:
    74.6 mm +2.3 mm versus J4
    Depth:
    7.8 mm

Weight

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

  1. 1. J4

    158 g

  2. 2. X8

    160 g

    +2 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. X8

    Screen diagonal:
    6.2 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    97.6 cm²

X8 has approximately 25% 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, X8, compared at the same storage capacity.
StorageJ4X8
32 GB 1 GB RAM Unknown
X8: Original memory entry

128 GB · 6 GB RAM 64 GB · 4/6 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. J4

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

2. X8

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. J4

    2200 mAh

  2. 2. X8

    3210 mAh

    +1010 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. X8

Everyday essentials
Everyday essentials — specifications for J4, X8.
SpecificationJ4X8
Dimensions (HxWxD)
  • 151 Х 72.3 Х 10 mm
  • 151.2 Х 74.6 Х 7.8 mm
Weight
  • 158 g
  • 160 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 6.2" inch
Screen resolution
  • 720 x 1440 px
  • 1080 x 2220 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 128 GB
  • 6 GB RAM 64 GB
  • 4/6 GB RAM
Memory card support
  • microSDXC
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2200 mAh
  • Removable Li-Po
  • 3210 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 8.0 (Oreo); Flyme UI
Chipset Unknown
  • Qualcomm SDM710 Snapdragon 710 (10 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J4, X8.
SpecificationJ4X8
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 97.6 cm2
Screen format
  • 18:9 (height:width)
  • 18.5:9 (height:width)
Screen to body ratio
  • 71.5%
  • 86.5%
PPI /points per inch/
  • 293 PPI
  • 398 PPI
Camera and Video
Camera and Video — specifications for J4, X8.
SpecificationJ4X8
Rear camera, main
  • 8 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 8 MP
  • AF
  • 12 MP
  • f/1.9
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF -5 MP
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • panorama
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 8 MP
  • 20 MP
Performance

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

Performance — specifications for J4, X8.
SpecificationJ4X8
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Octa-core (2x2.2 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
Graphics processor GPU
  • Mali-400
  • Adreno 616
Antutu 8 score * Unknown
  • 194455
GeekBench 5 Single Core * Unknown
  • 391
GeekBench 5 Multi-Core * Unknown
  • 1471
General specs
General specs — specifications for J4, X8.
SpecificationJ4X8
Release date
  • 2019
  • October
  • 2018
  • September
Colors
  • Blue
  • Black
  • Brown
  • Black
  • Blue
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 200 EUR
Communication and Connectivity
Communication and Connectivity — specifications for J4, X8.
SpecificationJ4X8
SIM card
  • Dual SIM (Nano-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
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 2100 - China -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat15 800/150 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for J4, X8.
SpecificationJ4X8
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for J4, X8.
SpecificationJ4X8
Dop
  • Sensors Accelerometer For USA
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass