A1 Alpha vs Samsung Galaxy J3 (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.

  • Width

    Galaxy J3 (2018): 5.7 mm narrower

    Alpha:
    75.8 mm
    Galaxy J3 (2018):
    70.1 mm
  • Screen diagonal

    Galaxy J3 (2018): 1.26 in smaller diagonal

    Alpha:
    6.26 in
    Galaxy J3 (2018):
    5 in
  • Chipset

    Alpha:
    Unisoc SC9863A (28nm)
    Galaxy J3 (2018):
    Exynos 7570 Quad (14 nm)
  • Rear camera layout

    Alpha:
    Dual
    Galaxy J3 (2018):
    Single
  • Depth

    Alpha: 0.8 mm thinner

    Alpha:
    8.1 mm
    Galaxy J3 (2018):
    8.9 mm
  • Height

    Galaxy J3 (2018): 9 mm shorter

    Alpha:
    151.7 mm
    Galaxy J3 (2018):
    142.7 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. Alpha

    Height:
    151.7 mm +9 mm versus Galaxy J3 (2018)
    Width:
    75.8 mm +5.7 mm versus Galaxy J3 (2018)
    Depth:
    8.1 mm
  2. 2. Galaxy J3 (2018)

    Height:
    142.7 mm
    Width:
    70.1 mm
    Depth:
    8.9 mm +0.8 mm versus Alpha

Weight

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

  1. 1. Alpha

    150 g

  2. 2. Galaxy J3 (2018)

    152 g

    +2 g versus Alpha

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. Alpha

    Screen diagonal:
    6.26 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    97.8 cm²
  2. 2. Galaxy J3 (2018)

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

Alpha has approximately 41.9% more rectangular screen area than Galaxy J3 (2018).

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 Alpha, Galaxy J3 (2018), compared at the same storage capacity.
StorageAlphaGalaxy J3 (2018)
16 GB Not recorded 2 GB RAM
32 GB 2 GB RAM Not recorded
64 GB 3 GB RAM Not recorded

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Alpha

NFC:
See details Yes (64/3GB model only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM slot)

2. Galaxy J3 (2018)

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

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. Alpha

    3200 mAh

    +600 mAh versus Galaxy J3 (2018)

  2. 2. Galaxy J3 (2018)

    2600 mAh

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. Alpha2. Galaxy J3 (2018)

Everyday essentials
Everyday essentials — specifications for Alpha, Galaxy J3 (2018).
SpecificationAlphaGalaxy J3 (2018)
Dimensions (HxWxD)
  • 151.7 Х 75.8 Х 8.1 mm
  • 142.7 Х 70.1 Х 8.9 mm
Weight
  • 150 g
  • 152 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.26" inch
  • 5" inch
Screen resolution
  • 720 x 1520 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 2GB RAM
  • 64GB 3GB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses shared SIM slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable Li-Ion
  • 2600 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 8.0 (Oreo)
Chipset
  • Unisoc SC9863A (28nm)
  • Exynos 7570 Quad (14 nm)
NFC
  • Yes (64/3GB model only)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Alpha, Galaxy J3 (2018).
SpecificationAlphaGalaxy J3 (2018)
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.8 cm2
  • 68.9 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.1%
  • 68.9%
PPI /points per inch/
  • 269 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for Alpha, Galaxy J3 (2018).
SpecificationAlphaGalaxy J3 (2018)
Rear camera, main
  • 13 MP
  • Dual
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • AF -2 MP
  • f/2.4
  • depth sensor
  • 8 MP
  • AF
  • f/1.9
Functions
  • LED flash
  • HDR
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 5 MP
  • f/2.2
Performance
Performance — specifications for Alpha, Galaxy J3 (2018).
SpecificationAlphaGalaxy J3 (2018)
Processor CPU
  • Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • IMG8322
  • Mali-T720
General specs
General specs — specifications for Alpha, Galaxy J3 (2018).
SpecificationAlphaGalaxy J3 (2018)
Release date
  • 2019
  • August
  • 2018
  • June
Colors
  • Black
  • Green
  • Black
  • Blue
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 150 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Alpha, Galaxy J3 (2018).
SpecificationAlphaGalaxy J3 (2018)
SIM card
  • Hybrid 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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 - AT&T -4G - LTE LTE band 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 12(700)
  • 14(700) - AT&T
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Alpha, Galaxy J3 (2018).
SpecificationAlphaGalaxy J3 (2018)
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Alpha, Galaxy J3 (2018).
SpecificationAlphaGalaxy J3 (2018)
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Also known as Samsung Galaxy J3 Star for T-Mobile; Galaxy Amp Prime 3 for Cricket