BLU J2 vs Samsung Galaxy A70

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

    J2:
    LCD
    Galaxy A70:
    OLED
  • Weight

    J2: 37 g lighter

    J2:
    146 g
    Galaxy A70:
    183 g
  • Width

    J2: 3.6 mm narrower

    J2:
    73.1 mm
    Galaxy A70:
    76.7 mm
  • Screen diagonal

    J2: 1.7 in smaller diagonal

    J2:
    5 in
    Galaxy A70:
    6.7 in
  • Rear camera layout

    J2:
    Single
    Galaxy A70:
    Triple
  • Depth

    Galaxy A70: 2.4 mm thinner

    J2:
    10.3 mm
    Galaxy A70:
    7.9 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. J2

    Height:
    144 mm
    Width:
    73.1 mm
    Depth:
    10.3 mm +2.4 mm versus Galaxy A70
  2. 2. Galaxy A70

    Height:
    164.3 mm +20.3 mm versus J2
    Width:
    76.7 mm +3.6 mm versus J2
    Depth:
    7.9 mm

Weight

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

  1. 1. J2

    146 g

  2. 2. Galaxy A70

    183 g

    +37 g versus J2

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. J2

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Galaxy A70

    Screen diagonal:
    6.7 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    108.4 cm²

Galaxy A70 has approximately 57.3% more rectangular screen area than J2.

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 J2, Galaxy A70, compared at the same storage capacity.
StorageJ2Galaxy A70
32 GB 1 GB RAM Unknown
Galaxy A70: Original memory entry

128 GB · 6/8 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. J2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC

2. Galaxy A70

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. J2

    2000 mAh

  2. 2. Galaxy A70

    4500 mAh

    +2500 mAh versus J2

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. J22. Galaxy A70

Everyday essentials
Everyday essentials — specifications for J2, Galaxy A70.
SpecificationJ2Galaxy A70
Dimensions (HxWxD)
  • 144 Х 73.1 Х 10.3 mm
  • 164.3 Х 76.7 Х 7.9 mm
Weight
  • 146 g
  • 183 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 5" inch
  • 6.7" inch
Screen resolution
  • 480 x 854 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 128 GB
  • 6/8 GB RAM
Memory card support
  • microSDXC
  • microSD
  • up to 512 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Po
  • 4500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 9.0 (Pie)
Chipset Unknown
  • Qualcomm SDM675 Snapdragon 675 (11 nm)
NFC Unknown
  • Yes (market dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J2, Galaxy A70.
SpecificationJ2Galaxy A70
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 108.4 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 65.4%
  • 86%
PPI /points per inch/
  • 196 PPI
  • 393 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for J2, Galaxy A70.
SpecificationJ2Galaxy A70
Rear camera, main
  • 5 MP
  • Single
  • 32 MP
  • Triple
Camera specs
  • 5 MP
  • 32 MP
  • f/1.7
  • PDAF -8 MP
  • f/2.2
  • 12mm (ultrawide) -5 MP
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 32 MP
  • Single
Specifications
  • 5 MP
  • 32 MP
  • f/2.0
  • 0.8µm
Performance

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

Performance — specifications for J2, Galaxy A70.
SpecificationJ2Galaxy A70
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
Antutu 7 score * Unknown
  • 167482
GeekBench 4 Single Core * Unknown
  • 2341
GeekBench 4 Multi-Core * Unknown
  • 6600
Antutu 8 score * Unknown
  • 210563
GeekBench 5 Single Core * Unknown
  • 480
GeekBench 5 Multi-Core * Unknown
  • 1528
General specs
General specs — specifications for J2, Galaxy A70.
SpecificationJ2Galaxy A70
Release date
  • 2019
  • December
  • 2019
  • March
Colors
  • Blue
  • Black
  • Brown
  • Coral
  • Blue
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
  • 330 EUR
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for J2, Galaxy A70.
SpecificationJ2Galaxy A70
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 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
  • 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
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.35 W/kg (head) 1.48 W/kg (body)
Music and Audio
Music and Audio — specifications for J2, Galaxy A70.
SpecificationJ2Galaxy A70
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for J2, Galaxy A70.
SpecificationJ2Galaxy A70
Dop
  • Sensors Accelerometer For USA
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - ANT+ - Fast battery charging 25W - Versions: SM-A705F/DS (Global); SM-A7050 (China)