BLU J4 vs LeEco Le Pro3

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: 17 g lighter

    J4:
    158 g
    Le Pro3:
    175 g
  • Width

    J4: 1.6 mm narrower

    J4:
    72.3 mm
    Le Pro3:
    73.9 mm
  • Depth

    Le Pro3: 2.5 mm thinner

    J4:
    10 mm
    Le Pro3:
    7.5 mm
  • Release year

    J4:
    2019
    Le Pro3:
    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 +2.5 mm versus Le Pro3
  2. 2. Le Pro3

    Height:
    151.4 mm
    Width:
    73.9 mm +1.6 mm versus J4
    Depth:
    7.5 mm

Weight

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

  1. 1. J4

    158 g

  2. 2. Le Pro3

    175 g

    +17 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. Le Pro3

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

Le Pro3 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, Le Pro3, compared at the same storage capacity.
StorageJ4Le Pro3
32 GB 1 GB RAM Unknown
Le Pro3: Original memory entry

64/128 GB · 6 GB RAM 32/64 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. Le Pro3

NFC:
Yes
Headphone jack:
No
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. Le Pro3

    4070 mAh

    +1870 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. Le Pro3

Everyday essentials
Everyday essentials — specifications for J4, Le Pro3.
SpecificationJ4Le Pro3
Dimensions (HxWxD)
  • 151 Х 72.3 Х 10 mm
  • 151.4 Х 73.9 Х 7.5 mm
Weight
  • 158 g
  • 175 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
  • 64/128 GB
  • 6 GB RAM 32/64 GB
  • 512GB 4GB
Memory card support
  • microSDXC
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2200 mAh
  • Removable Li-Po
  • 4070 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 6.0 (Marshmallow); eUI 5.8
Chipset Unknown
  • Qualcomm MSM8996 Snapdragon 821 (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for J4, Le Pro3.
SpecificationJ4Le Pro3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 82.6 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 71.5%
  • 73.8%
PPI /points per inch/
  • 293 PPI
  • 403 PPI
Camera and Video
Camera and Video — specifications for J4, Le Pro3.
SpecificationJ4Le Pro3
Rear camera, main
  • 8 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 16 MP
  • f/2.0
  • 1/2.8''
  • 1.12µm
  • PDAF
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 8 MP
  • 8 MP
  • f/2.2
  • 1/3.2''
  • 1.4µm
Performance

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

Performance — specifications for J4, Le Pro3.
SpecificationJ4Le Pro3
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core (2x2.35 GHz Kryo & 2x2.0 GHz Kryo)
Graphics processor GPU
  • Mali-400
  • Adreno 530
GeekBench 4 Single Core * Unknown
  • 1798
GeekBench 4 Multi-Core * Unknown
  • 4055
GeekBench 4 RenderScript * Unknown
  • 7217
GeekBench 5 Single Core * Unknown
  • 301
GeekBench 5 Multi-Core * Unknown
  • 821
General specs
General specs — specifications for J4, Le Pro3.
SpecificationJ4Le Pro3
Release date
  • 2019
  • October
  • 2016
  • September
Colors
  • Blue
  • Black
  • Brown
  • Rose Gold
  • Gold
  • Silver
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 330 EUR
Communication and Connectivity
Communication and Connectivity — specifications for J4, Le Pro3.
SpecificationJ4Le Pro3
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by) Single nanoSIM for US model
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 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO TD-SCDMA -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat12 600/150 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for J4, Le Pro3.
SpecificationJ4Le Pro3
Radio
  • FM radio
  • FM radio
Others Unknown
  • Dolby Atmos audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for J4, Le Pro3.
SpecificationJ4Le Pro3
Dop
  • Sensors Accelerometer For USA
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging (Quick Charge 3.0)