OnePlus 7T vs Samsung Galaxy J3

Compare recorded specifications, size and practical differences.

+ Add a third phone

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.

  • Weight

    Galaxy J3: 52 g lighter

    7T:
    190 g
    Galaxy J3:
    138 g
  • Width

    Galaxy J3: 3.4 mm narrower

    7T:
    74.4 mm
    Galaxy J3:
    71 mm
  • Screen diagonal

    Galaxy J3: 1.55 in smaller diagonal

    7T:
    6.55 in
    Galaxy J3:
    5 in
  • Rear camera layout

    7T:
    Triple
    Galaxy J3:
    Single
  • Height

    Galaxy J3: 18.6 mm shorter

    7T:
    160.9 mm
    Galaxy J3:
    142.3 mm
  • Release year

    7T:
    2019
    Galaxy J3:
    2015

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 +18.6 mm versus Galaxy J3
    Width:
    74.4 mm +3.4 mm versus Galaxy J3
    Depth:
    8.1 mm
  2. 2. Galaxy J3

    Height:
    142.3 mm
    Width:
    71 mm
    Depth:
    7.9 mm

Weight

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

  1. 1. 7T

    190 g

    +52 g versus Galaxy J3

  2. 2. Galaxy J3

    138 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

    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.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

7T: Original memory entry

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

Galaxy J3: Original memory entry

8/16 GB · 1.5/2 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. 7T

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

2. Galaxy J3

NFC:
See details Yes (market dependent)
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. 7T

    3800 mAh

    +1200 mAh versus Galaxy J3

  2. 2. Galaxy J3

    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

Everyday essentials
Everyday essentials — specifications for 7T, Galaxy J3.
Specification7TGalaxy J3
Dimensions (HxWxD)
  • 160.9 Х 74.4 Х 8.1 mm
  • 142.3 Х 71 Х 7.9 mm
Weight
  • 190 g
  • 138 g
Technology
  • Fluid AMOLED
  • Super AMOLED
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
  • 8/16 GB
  • 1.5/2 GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (dedicated slot)
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 5.1.1 (Lollipop) or Android 6.0 (Marshmallow)
  • upgradable to 7.1.1 (Nougat)
Chipset
  • Qualcomm SDM855 Snapdragon 855+ (7 nm)
  • Spreadtrum SC9830 -Exynos 3475 Quad (28 nm) USA
NFC
  • Yes
  • Yes (market dependent)
Headphone jack
  • No
  • Yes
Display
Display — specifications for 7T, Galaxy J3.
Specification7TGalaxy J3
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%
  • 68.2%
PPI /points per inch/
  • 402 PPI
  • 294 PPI
Screen protection
  • Corning Gorilla Glass
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for 7T, Galaxy J3.
Specification7TGalaxy J3
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
  • f/2.2
  • AF -5 MP
  • AF - USA
Functions
  • Auto-HDR
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • gyro-EIS
  • 720p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • 25mm (wide)
  • 1/3.1''
  • 1.0µm
  • 2 MP (USA) 5 MP
  • f/2.2 (all other regions)
Performance

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

Performance — specifications for 7T, Galaxy J3.
Specification7TGalaxy J3
Processor CPU
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
  • Quad-core 1.5 GHz Cortex-A7 -Quad-core 1.3 GHz Cortex-A7 USA
Graphics processor GPU
  • Adreno 640 (700 MHz)
  • Mali-400 -Mali-T720 USA
Antutu 7 score *
  • 401214
  • 24156
GeekBench 4 Single Core * Unknown
  • 441
GeekBench 4 Multi-Core * Unknown
  • 1159
GeekBench 4 RenderScript * Unknown
  • 740
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.
Specification7TGalaxy J3
Release date
  • 2019
  • September 26
  • 2015
  • November
Colors
  • Frosted Silver
  • Glacier blue
  • White
  • Black
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 600 EUR
  • 120 EUR
Battery life Unknown
  • Stand by time- Up to 349 h Talking time- Up to 22 h Music play - Up to 77 h
Body build
  • Front glass (Gorilla Glass)
  • back glass (Gorilla Glass)
  • aluminum frame
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for 7T, Galaxy J3.
Specification7TGalaxy J3
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)Nano-SIM (USA models only)
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 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat18 1200/150 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • SBAS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX HD
  • 4.0/4.1
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 1.17 W/kg (head) 1.12 W/kg (body) SAR EU - 0.48 W/kg (head) 0.42 W/kg (body)
Music and Audio
Music and Audio — specifications for 7T, Galaxy J3.
Specification7TGalaxy J3
Radio
  • No
  • FM radio
  • RDS
  • recording (mark
Others
  • DCI-P3 100% -HDR10+ -90Hz
  • Active noise cancellation with dedicated mic -Dolby Atmos sound
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for 7T, Galaxy J3.
Specification7TGalaxy J3
Dop
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 30W (Warp Charge 30T)
  • Sensors Accelerometer
  • proximity - Versions: J320FN (Europe); J320F (EMEA); J320F/DD (India); J320A (AT&T); J320P (Sprint
  • Virgin Mobile
  • Boost); Galaxy Amp Prime (Cricket); Galaxy J3 V (Verizon); J320M (LATAM); J320G (Asia). Also know