alcatel 3L vs Samsung Galaxy J7 Duo

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

    3L:
    LCD
    Galaxy J7 Duo:
    OLED
  • Weight

    3L: 29 g lighter

    3L:
    145 g
    Galaxy J7 Duo:
    174 g
  • Width

    3L: 7.5 mm narrower

    3L:
    69.7 mm
    Galaxy J7 Duo:
    77.2 mm
  • Screen diagonal

    Galaxy J7 Duo: 0.44 in smaller diagonal

    3L:
    5.94 in
    Galaxy J7 Duo:
    5.5 in
  • Chipset

    3L:
    Qualcomm SDM429 Snapdragon 429
    Galaxy J7 Duo:
    Exynos 7885 Octa (14 nm)
  • Height

    3L: 2.4 mm shorter

    3L:
    151.1 mm
    Galaxy J7 Duo:
    153.5 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. 3L

    Height:
    151.1 mm
    Width:
    69.7 mm
    Depth:
    8 mm
  2. 2. Galaxy J7 Duo

    Height:
    153.5 mm +2.4 mm versus 3L
    Width:
    77.2 mm +7.5 mm versus 3L
    Depth:
    8.2 mm

Weight

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

  1. 1. 3L

    145 g

  2. 2. Galaxy J7 Duo

    174 g

    +29 g versus 3L

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. 3L

    Screen diagonal:
    5.94 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    86.6 cm²
  2. 2. Galaxy J7 Duo

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

3L has approximately 3.9% more rectangular screen area than Galaxy J7 Duo.

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 3L, Galaxy J7 Duo, compared at the same storage capacity.
Storage3LGalaxy J7 Duo
16 GB 2 GB RAM Unknown
Galaxy J7 Duo: Original memory entry

32 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. 3L

NFC:
See details Yes (market dependent)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses SIM 2 slot)

2. Galaxy J7 Duo

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. 3L

    3500 mAh

    +500 mAh versus Galaxy J7 Duo

  2. 2. Galaxy J7 Duo

    3000 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. 3L2. Galaxy J7 Duo

Everyday essentials
Everyday essentials — specifications for 3L, Galaxy J7 Duo.
Specification3LGalaxy J7 Duo
Dimensions (HxWxD)
  • 151.1 Х 69.7 Х 8 mm
  • 153.5 Х 77.2 Х 8.2 mm
Weight
  • 145 g
  • 174 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 5.94" inch
  • 5.5" inch
Screen resolution
  • 720 x 1560 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 32 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 128 GB (uses SIM 2 slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Li-Ion
  • 3000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Android 8.0 (Oreo)
Chipset
  • Qualcomm SDM429 Snapdragon 429
  • Exynos 7885 Octa (14 nm)
NFC
  • Yes (market dependent)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for 3L, Galaxy J7 Duo.
Specification3LGalaxy J7 Duo
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 86.6 cm2
  • 83.4 cm2
Screen format
  • 19.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.2%
  • 70.4%
PPI /points per inch/
  • 289 PPI
  • 267 PPI
Screen protection
  • Asahi Dragontrail Glass
Unknown
Camera and Video
Camera and Video — specifications for 3L, Galaxy J7 Duo.
Specification3LGalaxy J7 Duo
Rear camera, main
  • 13 MP
  • Dual
  • 13 MP
  • Dual
Camera specs
  • 13 MP
  • f/2.0
  • 1/3''
  • 1.12µm -5 MP
  • depth sensor
  • 13 MP
  • f/1.9
  • AF -5 MP
  • depth sensor
Functions
  • HDR
  • LED flash
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
  • 8 MP
  • f/1.9
Performance

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

Performance — specifications for 3L, Galaxy J7 Duo.
Specification3LGalaxy J7 Duo
Processor CPU
  • Quad-core 1.8 GHz Cortex-A53
  • Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 504
  • Mali-G71
Antutu 7 score *
  • 35205
Unknown
General specs
General specs — specifications for 3L, Galaxy J7 Duo.
Specification3LGalaxy J7 Duo
Release date
  • 2019
  • February
  • 2018
  • April
Colors
  • Anthracite Black
  • Metallic Blue
  • Black
  • Gold
  • Rose Gold
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 240 EUR
Communication and Connectivity
Communication and Connectivity — specifications for 3L, Galaxy J7 Duo.
Specification3LGalaxy J7 Duo
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Micro-SIM)Dual SIM (Micro-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
  • 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 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE Cat4 150/50 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
  • GLONASS
  • GALILEO
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • Yes
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for 3L, Galaxy J7 Duo.
Specification3LGalaxy J7 Duo
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for 3L, Galaxy J7 Duo.
Specification3LGalaxy J7 Duo
Dop
  • Sensors Fingerprint (rear-mounted
  • market dependent)
  • accelerometer
  • proximity
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity - ANT+