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OnePlus 7T 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.

    • Display technology

      OLED versus LCD

      7T:
      OLED
      Galaxy J3 (2018):
      LCD

    • Weight

      Galaxy J3 (2018): 38 g lighter

      7T:
      190 g
      Galaxy J3 (2018):
      152 g

    • Width

      Galaxy J3 (2018): 4.3 mm narrower

      7T:
      74.4 mm
      Galaxy J3 (2018):
      70.1 mm

    • Screen diagonal

      Galaxy J3 (2018): 1.55 in smaller diagonal

      7T:
      6.55 in
      Galaxy J3 (2018):
      5 in

    • Chipset

      7T:
      Qualcomm SDM855 Snapdragon 855+ (7 nm)
      Galaxy J3 (2018):
      Exynos 7570 Quad (14 nm)

    • Rear camera layout

      7T:
      Triple
      Galaxy J3 (2018):
      Single

    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. 7T

      Height:
      160.9 mm +18.2 mm versus Galaxy J3 (2018)
      Width:
      74.4 mm +4.3 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 7T

    Weight

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

    1. 1. 7T

      190 g

      +38 g versus Galaxy J3 (2018)

    2. 2. Galaxy J3 (2018)

      152 g

    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. 7T

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

    2. 2. Galaxy J3 (2018)

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

    7T has approximately 50.3% 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 7T, Galaxy J3 (2018), compared at the same storage capacity.
    Storage7TGalaxy J3 (2018)
    16 GB Unknown 2 GB RAM
    7T: Original memory entry

    128GB 8GB RAM · 256GB 8GB RAM · UFS3.0

    Practical features

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

    1. 7T

    NFC:
    Yes
    Headphone jack:
    No
    Memory card support:
    No

    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. 7T

      3800 mAh

      +1200 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. 7T2. Galaxy J3 (2018)

    Everyday essentials
    Everyday essentials — specifications for 7T, Galaxy J3 (2018).
    Specification7TGalaxy J3 (2018)
    Dimensions (HxWxD)
    • 160.9 Х 74.4 Х 8.1 mm
    • 142.7 Х 70.1 Х 8.9 mm
    Weight
    • 190 g
    • 152 g
    Technology
    • Fluid AMOLED
    • IPS LCD
    Screen size
    • 6.55" inch
    • 5" inch
    Screen resolution
    • 1080 x 2400 px
    • 720 x 1280 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 128GB 8GB RAM
    • 256GB 8GB RAM
    • UFS3.0
    • 16 GB
    • 2 GB RAM
    Memory card support
    • No
    • microSD
    • up to 256 GB
    Battery Capacity is not battery life. No endurance test is implied.
    • 3800 mAh
    • Non-removable Li-Po
    • 2600 mAh
    • Removable Li-Ion
    Operating system OS
    • Android 10.0
    • Android 8.0 (Oreo)
    Chipset
    • Qualcomm SDM855 Snapdragon 855+ (7 nm)
    • Exynos 7570 Quad (14 nm)
    NFC
    • Yes
    		 Unknown
    Headphone jack
    • No
    • Yes
    Display
    Display — specifications for 7T, Galaxy J3 (2018).
    Specification7TGalaxy J3 (2018)
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 103.6 cm2
    • 68.9 cm2
    Screen format
    • 20:9 (height:width)
    • 16:9 (height:width)
    Screen to body ratio
    • 86.5%
    • 68.9%
    PPI /points per inch/
    • 402 PPI
    • 294 PPI
    Screen protection
    • Corning Gorilla Glass
    		 Unknown
    Camera and Video
    Camera and Video — specifications for 7T, Galaxy J3 (2018).
    Specification7TGalaxy J3 (2018)
    Rear camera, main
    • 48 MP
    • Triple
    • 8 MP
    • Single
    Camera specs
    • 48 MP
    • f/1.6
    • 26mm (wide)
    • 1/2''
    • 0.8µm
    • PDAF
    • OIS -12 MP
    • f/2.2
    • 51mm (telephoto)
    • 1.0µm
    • 2x optical zoom -16 MP
    • 17mm (ultrawide)
    • AF
    • 8 MP
    • AF
    • f/1.9
    Functions
    • Auto-HDR
    • LED flash
    • panorama
    • HDR
    Video
    • 1080p@30fps
    • gyro-EIS
    • 1080p@30fps
    Front camera, selfie
    • 16 MP
    • Single
    • 5 MP
    • Single
    Specifications
    • 16 MP
    • f/2.0
    • 25mm (wide)
    • 1/3.1''
    • 1.0µm
    • 5 MP
    • f/2.2
    Performance

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

    Performance — specifications for 7T, Galaxy J3 (2018).
    Specification7TGalaxy J3 (2018)
    Processor CPU
    • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
    • Quad-core 1.4 GHz Cortex-A53
    Graphics processor GPU
    • Adreno 640 (700 MHz)
    • Mali-T720
    Antutu 7 score *
    • 401214
    		 Unknown
    Antutu 8 score *
    • 494705
    		 Unknown
    GeekBench 5 Single Core *
    • 761
    		 Unknown
    GeekBench 5 Multi-Core *
    • 2697
    		 Unknown
    General specs
    General specs — specifications for 7T, Galaxy J3 (2018).
    Specification7TGalaxy J3 (2018)
    Release date
    • 2019
    • September 26
    • 2018
    • June
    Colors
    • Frosted Silver
    • Glacier blue
    • Black
    • Blue
    • Gold
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 600 EUR
    • 150 EUR
    Body build
    • Front glass (Gorilla Glass)
    • back glass (Gorilla Glass)
    • aluminum frame
    		 Unknown
    Communication and Connectivity
    Communication and Connectivity — specifications for 7T, Galaxy J3 (2018).
    Specification7TGalaxy J3 (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 CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100)
    • 2(1900)
    • 3(1800)
    • 4(1700/2100)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 12(700)
    • 13(700)
    • 17(700)
    • 18(800)
    • 19(800)
    • 20(800)
    • 25(1900)
    • 26(850)
    • 28(700)
    • 29(700)
    • 32(1500)
    • 34(2000)
    • 38(2600)
    • 39(1900)
    • 40(2300)
    • 41(2500)
    • 66(1700/2100) - EU LTE band 1(2100)
    • 30(2300)
    • 46
    • 48
    • 66(1700/2100)
    • 71(600) - NA LTE band 1(2100)
    • 41(2500) - CN
    • IN
    • 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-A (5CA) Cat18 1200/150 Mbps
    • HSPA
    • LTE
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • Wi-Fi Direct
    • DLNA
    • hotspot
    • Wi-Fi 802.11 b/g/n
    • WiFi Direct
    • hotspot
    GPS
    • Yes
    • with dual-band A-GPS
    • GLONASS
    • BDS
    • GALILEO
    • SBAS
    • Yes
    • with A-GPS
    USB
    • 3.1
    • Type-C 1.0 reversible connector
    • USB On-The-Go
    • microUSB 2.0
    Bluetooth
    • 5.0
    • A2DP
    • LE
    • aptX HD
    • 4.2
    • A2DP
    • LE
    Music and Audio
    Music and Audio — specifications for 7T, Galaxy J3 (2018).
    Specification7TGalaxy J3 (2018)
    Radio
    • No
    • FM radio
    Others
    • DCI-P3 100% -HDR10+ -90Hz
    • Active noise cancellation with dedicated mic -Dolby Atmos sound
    		 Unknown
    Other features
    Other features — specifications for 7T, Galaxy J3 (2018).
    Specification7TGalaxy J3 (2018)
    Dop
    • Sensors Fingerprint (under display
    • optical)
    • accelerometer
    • gyro
    • proximity
    • compass - Fast battery charging 30W (Warp Charge 30T)
    • Sensors Accelerometer
    • gyro
    • proximity
    • compass - Also known as Samsung Galaxy J3 Star for T-Mobile; Galaxy Amp Prime 3 for Cricket

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