BLU J4 vs LG G6

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.

  • Weight

    J4: 5 g lighter

    J4:
    158 g
    G6:
    163 g
  • Screen diagonal

    J4: 0.2 in smaller diagonal

    J4:
    5.5 in
    G6:
    5.7 in
  • Rear camera layout

    J4:
    Single
    G6:
    Dual
  • Depth

    G6: 2.1 mm thinner

    J4:
    10 mm
    G6:
    7.9 mm
  • Height

    G6: 2.1 mm shorter

    J4:
    151 mm
    G6:
    148.9 mm
  • Release year

    J4:
    2019
    G6:
    2017

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 +2.1 mm versus G6
    Width:
    72.3 mm
    Depth:
    10 mm +2.1 mm versus G6
  2. 2. G6

    Height:
    148.9 mm
    Width:
    71.9 mm
    Depth:
    7.9 mm

Weight

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

  1. 1. J4

    158 g

  2. 2. G6

    163 g

    +5 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. G6

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²

G6 has approximately 7.4% 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, G6, compared at the same storage capacity.
StorageJ4G6
32 GB 1 GB RAM Unknown
G6: Original memory entry

32/64/128 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. G6

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 slot) - dual SIM model only

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. G6

    3300 mAh

    +1100 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. G6

Everyday essentials
Everyday essentials — specifications for J4, G6.
SpecificationJ4G6
Dimensions (HxWxD)
  • 151 Х 72.3 Х 10 mm
  • 148.9 Х 71.9 Х 7.9 mm
Weight
  • 158 g
  • 163 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5.7" inch
Screen resolution
  • 720 x 1440 px
  • 1440 x 2880 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 32/64/128 GB
  • 512GB 4GB
Memory card support
  • microSDXC
  • microSD
  • up to 512 GB (uses SIM 2 slot) - dual SIM model only
Battery Capacity is not battery life. No endurance test is implied.
  • 2200 mAh
  • Removable Li-Po
  • 3300 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 7.0 (Nougat)
  • upgradable to Android 8.0 (Oreo); LG UX 6 UI
Chipset Unknown
  • Qualcomm MSM8996 Snapdragon 821 (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J4, G6.
SpecificationJ4G6
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 84.1 cm2
Screen format
  • 18:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 71.5%
  • 78.6%
PPI /points per inch/
  • 293 PPI
  • 564 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for J4, G6.
SpecificationJ4G6
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • f/1.8
  • 30mm (standard)
  • 1/3''
  • 1.12µm
  • 3-axis OIS
  • PDAF -13 MP
  • f/2.4
  • 12mm (ultrawide)
  • no AF
Functions
  • LED flash
  • Dual-LED flash
  • HDR
  • panorama
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 MP
  • 5 MP
  • f/2.2
  • 18mm
Performance

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

Performance — specifications for J4, G6.
SpecificationJ4G6
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core (2x2.35 GHz Kryo & 2x1.6 GHz Kryo)
Graphics processor GPU
  • Mali-400
  • Adreno 530
GeekBench 4 Single Core * Unknown
  • 1664
GeekBench 4 Multi-Core * Unknown
  • 3795
GeekBench 4 RenderScript * Unknown
  • 6911
Antutu 8 score * Unknown
  • 172026
GeekBench 4 Battery * Unknown
  • 3246
GeekBench 5 Single Core * Unknown
  • 297
GeekBench 5 Multi-Core * Unknown
  • 717
General specs
General specs — specifications for J4, G6.
SpecificationJ4G6
Release date
  • 2019
  • October
  • 2017
  • February
Colors
  • Blue
  • Black
  • Brown
  • Astro Black
  • Ice Platinum
  • Terra Gold
  • Marine Blue
  • Mystic White
  • Raspberry Rose
  • Moroccan Blue
  • Lavender Violet
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 270 EUR
Body build Unknown
  • Front/back glass (Gorilla Glass 3/5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for J4, G6.
SpecificationJ4G6
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Nano-SIM)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 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
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
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 3.1
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
  • aptX HD
Harmful irradiation Unknown
  • SAR - 0.65 W/kg (head) 1.23 W/kg (body) SAR EU - 0.23 W/kg (head) 0.15 W/kg (body)
Music and Audio
Music and Audio — specifications for J4, G6.
SpecificationJ4G6
Radio
  • FM radio
  • FM radio (market dependent)
Others Unknown
  • Dolby Vision -HDR10 -Always-on display
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for J4, G6.
SpecificationJ4G6
Dop
  • Sensors Accelerometer For USA
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - WPC&PMA wireless charging (US version only) -Fast battery charging: 50% in 30 min (Quick Charge 3.0) - IP68 dust/water proof (up to 1.5m for 30 mins) -MIL-STD-810G compliant - Versions: LG G6+ with 128 GB storage; H870 (Europe); H871 (AT&T); H872 (T-Mobile); H873 (Canada); H870K (Australia); LS993 (Sprint); US997 (U.S. Cellular); VS988 (Verizon Wireless)