BLU J4 vs LG Q70

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: 40 g lighter

    J4:
    158 g
    Q70:
    198 g
  • Width

    J4: 4.5 mm narrower

    J4:
    72.3 mm
    Q70:
    76.8 mm
  • Screen diagonal

    J4: 0.9 in smaller diagonal

    J4:
    5.5 in
    Q70:
    6.4 in
  • Rear camera layout

    J4:
    Single
    Q70:
    Triple
  • Depth

    Q70: 1.7 mm thinner

    J4:
    10 mm
    Q70:
    8.3 mm
  • Height

    J4: 11.1 mm shorter

    J4:
    151 mm
    Q70:
    162.1 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. J4

    Height:
    151 mm
    Width:
    72.3 mm
    Depth:
    10 mm +1.7 mm versus Q70
  2. 2. Q70

    Height:
    162.1 mm +11.1 mm versus J4
    Width:
    76.8 mm +4.5 mm versus J4
    Depth:
    8.3 mm

Weight

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

  1. 1. J4

    158 g

  2. 2. Q70

    198 g

    +40 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. J4

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²
  2. 2. Q70

    Q70: Screen geometry unavailable or conflicting.

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, Q70, compared at the same storage capacity.
StorageJ4Q70
32 GB 1 GB RAM Not recorded
64 GB Not recorded 4 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. Q70

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 1 TB (dedicated 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. Q70

    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. Q70

Everyday essentials
Everyday essentials — specifications for J4, Q70.
SpecificationJ4Q70
Dimensions (HxWxD)
  • 151 Х 72.3 Х 10 mm
  • 162.1 Х 76.8 Х 8.3 mm
Weight
  • 158 g
  • 198 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 6.4" inch
Screen resolution
  • 720 x 1440 px
  • 1080 x 2310 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 64GB 4GB RAM
Memory card support
  • microSDXC
  • microSD
  • up to 1 TB (dedicated 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 9.0 (Pie); LG UX 7
Chipset Unknown
  • Qualcomm SDM675 Snapdragon 675 (11 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J4, Q70.
SpecificationJ4Q70
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 101.4 cm2
Screen format
  • 18:9 (height:width)
Unknown
Screen to body ratio
  • 71.5%
  • 81.4%
PPI /points per inch/
  • 293 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for J4, Q70.
SpecificationJ4Q70
Rear camera, main
  • 8 MP
  • Single
  • 32 MP
  • Triple
Camera specs
  • 8 MP
  • AF
  • 32 MP
  • f/1.8
  • (wide)
  • PDAF -13 MP
  • f/2.2
  • 13mm (ultrawide) -5 MP
  • f/2.4
  • depth sensor
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 8 MP
  • 16 MP
Performance
Performance — specifications for J4, Q70.
SpecificationJ4Q70
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
Graphics processor GPU
  • Mali-400
  • Adreno 612
General specs
General specs — specifications for J4, Q70.
SpecificationJ4Q70
Release date
  • 2019
  • October
  • 2019
  • September
Colors
  • Blue
  • Black
  • Brown
  • Mirror Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 400 EUR
Communication and Connectivity
Communication and Connectivity — specifications for J4, Q70.
SpecificationJ4Q70
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 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
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
  • Wi-Fi Direct
  • DLNA
  • 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, Q70.
SpecificationJ4Q70
Radio
  • FM radio
  • No
Others Unknown
  • 32-bit/192kHz audio -DTS: X Surround Sound -Active noise cancellation with dedicated mic
Other features
Other features — specifications for J4, Q70.
SpecificationJ4Q70
Dop
  • Sensors Accelerometer For USA
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 15W - MIL-STD-810G compliant -IP68