BLU J4 vs Samsung Galaxy A7 (2018)

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.

  • Display technology

    OLED versus LCD

    J4:
    LCD
    Galaxy A7 (2018):
    OLED
  • Weight

    J4: 10 g lighter

    J4:
    158 g
    Galaxy A7 (2018):
    168 g
  • Width

    J4: 4.5 mm narrower

    J4:
    72.3 mm
    Galaxy A7 (2018):
    76.8 mm
  • Screen diagonal

    J4: 0.5 in smaller diagonal

    J4:
    5.5 in
    Galaxy A7 (2018):
    6 in
  • Rear camera layout

    J4:
    Single
    Galaxy A7 (2018):
    Triple
  • Depth

    Galaxy A7 (2018): 2.5 mm thinner

    J4:
    10 mm
    Galaxy A7 (2018):
    7.5 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 +2.5 mm versus Galaxy A7 (2018)
  2. 2. Galaxy A7 (2018)

    Height:
    159.8 mm +8.8 mm versus J4
    Width:
    76.8 mm +4.5 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. Galaxy A7 (2018)

    168 g

    +10 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. Galaxy A7 (2018)

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

Galaxy A7 (2018) has approximately 17% 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, Galaxy A7 (2018), compared at the same storage capacity.
StorageJ4Galaxy A7 (2018)
32 GB 1 GB RAM Unknown
Galaxy A7 (2018): Original memory entry

128 GB · 4/6 GB RAM 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. Galaxy A7 (2018)

NFC:
See details Yes (market dependent)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (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. Galaxy A7 (2018)

    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. Galaxy A7 (2018)

Everyday essentials
Everyday essentials — specifications for J4, Galaxy A7 (2018).
SpecificationJ4Galaxy A7 (2018)
Dimensions (HxWxD)
  • 151 Х 72.3 Х 10 mm
  • 159.8 Х 76.8 Х 7.5 mm
Weight
  • 158 g
  • 168 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 5.5" inch
  • 6" 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
  • 4/6 GB RAM 64 GB
  • 512GB 4GB
Memory card support
  • microSDXC
  • microSD
  • up to 512 GB (dedicated slot)
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 8.0 (Oreo)
  • planned upgrade to Android 9.0 (Pie)
Chipset Unknown
  • Exynos 7885 Octa (14 nm)
NFC Unknown
  • Yes (market dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J4, Galaxy A7 (2018).
SpecificationJ4Galaxy A7 (2018)
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 91.4 cm2
Screen format
  • 18:9 (height:width)
  • 18.5:9 (height:width)
Screen to body ratio
  • 71.5%
  • 74.4%
PPI /points per inch/
  • 293 PPI
  • 411 PPI
Screen protection Unknown
  • Corning Gorilla Glass (unspecified version)
Camera and Video
Camera and Video — specifications for J4, Galaxy A7 (2018).
SpecificationJ4Galaxy A7 (2018)
Rear camera, main
  • 8 MP
  • Single
  • 24 MP
  • Triple
Camera specs
  • 8 MP
  • AF
  • 24 MP
  • f/1.7
  • 27mm (wide)
  • PDAF -8 MP
  • f/2.4
  • 18mm (ultrawide) -5 MP
  • f/2.2
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 24 MP
  • Single
Specifications
  • 8 MP
  • 24 MP
  • f/2.0
  • 26mm (wide)
Performance

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

Performance — specifications for J4, Galaxy A7 (2018).
SpecificationJ4Galaxy A7 (2018)
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
Graphics processor GPU
  • Mali-400
  • Mali-G71
Antutu 7 score * Unknown
  • 116560
Antutu 8 score * Unknown
  • 144819
GeekBench 5 Single Core * Unknown
  • 297
GeekBench 5 Multi-Core * Unknown
  • 974
General specs
General specs — specifications for J4, Galaxy A7 (2018).
SpecificationJ4Galaxy A7 (2018)
Release date
  • 2019
  • October
  • 2018
  • September
Colors
  • Blue
  • Black
  • Brown
  • Black
  • Blue
  • Gold
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 280 EUR
Body build Unknown
  • Front/back glass
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for J4, Galaxy A7 (2018).
SpecificationJ4Galaxy A7 (2018)
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Nano-SIM)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 - A750F/DS
  • A750FN/DS HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - A750G -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300)
  • 41(2500) - A750F/DS
  • A750FN/DS LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 12(700)
  • 13(700)
  • 17(700)
  • 28(700)
  • 41(2500)
  • 66(1700/2100) - A750G
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 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
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.34 W/kg (head) 1.43 W/kg (body)
Music and Audio
Music and Audio — specifications for J4, Galaxy A7 (2018).
SpecificationJ4Galaxy A7 (2018)
Radio
  • FM radio
  • FM radio
Others Unknown
  • Always-on display
  • Active noise cancellation with dedicated mic -Dolby Atmos sound
Other features
Other features — specifications for J4, Galaxy A7 (2018).
SpecificationJ4Galaxy A7 (2018)
Dop
  • Sensors Accelerometer For USA
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - ANT+ - Samsung Pay - Versions: SM-A750F/DS (EMEA); SM-A750G (Hong Kong); SM-A750FN/DS (Europe)