BLU J2 vs Samsung Galaxy M30s

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 M30s:
    OLED
  • Weight

    J2: 42 g lighter

    J2:
    146 g
    Galaxy M30s:
    188 g
  • Width

    J2: 2 mm narrower

    J2:
    73.1 mm
    Galaxy M30s:
    75.1 mm
  • Screen diagonal

    J2: 1.4 in smaller diagonal

    J2:
    5 in
    Galaxy M30s:
    6.4 in
  • Rear camera layout

    J2:
    Single
    Galaxy M30s:
    Triple
  • Depth

    Galaxy M30s: 1.4 mm thinner

    J2:
    10.3 mm
    Galaxy M30s:
    8.9 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 +1.4 mm versus Galaxy M30s
  2. 2. Galaxy M30s

    Height:
    159 mm +15 mm versus J2
    Width:
    75.1 mm +2 mm versus J2
    Depth:
    8.9 mm

Weight

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

  1. 1. J2

    146 g

  2. 2. Galaxy M30s

    188 g

    +42 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 M30s

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.5 cm²

Galaxy M30s has approximately 45.9% 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 M30s, compared at the same storage capacity.
StorageJ2Galaxy M30s
32 GB 1 GB RAM Unknown
Galaxy M30s: Original memory entry

64GB 4GB RAM · 128GB 6GB RAM · UFS2.1

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 M30s

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. J2

    2000 mAh

  2. 2. Galaxy M30s

    6000 mAh

    +4000 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 M30s

Everyday essentials
Everyday essentials — specifications for J2, Galaxy M30s.
SpecificationJ2Galaxy M30s
Dimensions (HxWxD)
  • 144 Х 73.1 Х 10.3 mm
  • 159.0 Х 75.1 Х 8.9 mm
Weight
  • 146 g
  • 188 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 5" inch
  • 6.4" inch
Screen resolution
  • 480 x 854 px
  • 1080 x 2340 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
  • 128GB 6GB RAM
  • UFS2.1
Memory card support
  • microSDXC
  • microSD
  • up to 1 TB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Po
  • 6000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 9.0 (Pie); One UI
Chipset Unknown
  • Exynos 9611 (10nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J2, Galaxy M30s.
SpecificationJ2Galaxy M30s
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 100.5 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 65.4%
  • 84.2%
PPI /points per inch/
  • 196 PPI
  • 403 PPI
Camera and Video
Camera and Video — specifications for J2, Galaxy M30s.
SpecificationJ2Galaxy M30s
Rear camera, main
  • 5 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 5 MP
  • 48 MP
  • f/2.0
  • (wide)
  • 1/2''
  • 0.8µm
  • 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
  • 24 MP
  • Single
Specifications
  • 5 MP
  • 16 MP
  • f/2.0
Performance

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

Performance — specifications for J2, Galaxy M30s.
SpecificationJ2Galaxy M30s
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Graphics processor GPU
  • Mali-400
  • Mali-G72 MP3
Antutu 7 score * Unknown
  • 155293
Antutu 8 score * Unknown
  • 170068
GeekBench 5 Single Core * Unknown
  • 325
GeekBench 5 Multi-Core * Unknown
  • 1205
General specs
General specs — specifications for J2, Galaxy M30s.
SpecificationJ2Galaxy M30s
Release date
  • 2019
  • December
  • 2019
  • September
Colors
  • Blue
  • Black
  • Brown
  • Opal Black
  • Sapphire Blue
  • Pearl White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
  • 180 EUR
Battery life Unknown
  • Talking time- Up to 49 h Music play - Up to 131 h
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for J2, Galaxy M30s.
SpecificationJ2Galaxy M30s
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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 20(800)
  • 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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • 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 - 0.47 W/kg (head)
Music and Audio
Music and Audio — specifications for J2, Galaxy M30s.
SpecificationJ2Galaxy M30s
Radio
  • FM radio
  • FM radio
  • RDS
  • recording
Others Unknown
  • 420 nits
  • Active noise cancellation with dedicated mic -Dolby Atmos sound
Other features
Other features — specifications for J2, Galaxy M30s.
SpecificationJ2Galaxy M30s
Dop
  • Sensors Accelerometer For USA
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 15W - Preliminary specifications