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BLU J4 vs Meizu m2

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

    m2: 27 g lighter

    J4:
    158 g
    m2:
    131 g
  • Width

    m2: 3.4 mm narrower

    J4:
    72.3 mm
    m2:
    68.9 mm
  • Screen diagonal

    m2: 0.5 in smaller diagonal

    J4:
    5.5 in
    m2:
    5 in
  • Depth

    m2: 1.3 mm thinner

    J4:
    10 mm
    m2:
    8.7 mm
  • Height

    m2: 10.9 mm shorter

    J4:
    151 mm
    m2:
    140.1 mm
  • Release year

    J4:
    2019
    m2:
    2015

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 +10.9 mm versus m2
    Width:
    72.3 mm +3.4 mm versus m2
    Depth:
    10 mm +1.3 mm versus m2
  2. 2. m2

    Height:
    140.1 mm
    Width:
    68.9 mm
    Depth:
    8.7 mm

Weight

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

  1. 1. J4

    158 g

    +27 g versus m2

  2. 2. m2

    131 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. J4

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²
  2. 2. m2

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

J4 has approximately 13.3% more rectangular screen area than m2.

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, m2, compared at the same storage capacity.
StorageJ4m2
16 GB Not recorded 2 GB RAM
32 GB 1 GB RAM Not recorded

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. m2

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. m2

    2500 mAh

    +300 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. m2

Everyday essentials
Everyday essentials — specifications for J4, m2.
SpecificationJ4m2
Dimensions (HxWxD)
  • 151 Х 72.3 Х 10 mm
  • 140.1 Х 68.9 Х 8.7 mm
Weight
  • 158 g
  • 131 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5" inch
Screen resolution
  • 720 x 1440 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 16 GB
  • 2 GB RAM
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
  • 2500 mAh
  • Non-removable
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 5.1 (Lollipop); Flyme 4.5
Chipset Unknown
  • Mediatek MT6735 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J4, m2.
SpecificationJ4m2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 68.9 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 71.5%
  • 71.4%
PPI /points per inch/
  • 293 PPI
  • 294 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for J4, m2.
SpecificationJ4m2
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • AF
  • f/2.2
Functions
  • LED flash
  • LED flash
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, m2.
SpecificationJ4m2
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.3 GHz Cortex-A53
Graphics processor GPU
  • Mali-400
  • Mali-T720MP2
Antutu 7 score * Unknown
  • 31255
GeekBench 4 Single Core * Unknown
  • 590
GeekBench 4 Multi-Core * Unknown
  • 1542
GeekBench 4 RenderScript * Unknown
  • 848
GeekBench 5 Single Core * Unknown
  • 113
GeekBench 5 Multi-Core * Unknown
  • 390
General specs
General specs — specifications for J4, m2.
SpecificationJ4m2
Release date
  • 2019
  • October
  • 2015
  • July
Colors
  • Blue
  • Black
  • Brown
  • Gray
  • White
  • Blue
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 130 EUR
Battery life Unknown
  • Stand by time- Up to 680 h Talking time- Up to 23 h Music play - Up to 45 h
Communication and Connectivity
Communication and Connectivity — specifications for J4, m2.
SpecificationJ4m2
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 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 1900 / 2100 -4G - LTE
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
  • LTE
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
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 4.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for J4, m2.
SpecificationJ4m2
Radio
  • FM radio
  • No
Other features
Other features — specifications for J4, m2.
SpecificationJ4m2
Dop
  • Sensors Accelerometer For USA
  • Sensors Accelerometer
  • proximity
  • compass