OnePlus 8 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.

  • Weight

    Galaxy J7 Duo: 6 g lighter

    8:
    180 g
    Galaxy J7 Duo:
    174 g
  • Width

    8: 4.3 mm narrower

    8:
    72.9 mm
    Galaxy J7 Duo:
    77.2 mm
  • Screen diagonal

    Galaxy J7 Duo: 1.05 in smaller diagonal

    8:
    6.55 in
    Galaxy J7 Duo:
    5.5 in
  • Chipset

    8:
    Qualcomm SM8250 Snapdragon 865 (7 nm+)
    Galaxy J7 Duo:
    Exynos 7885 Octa (14 nm)
  • Rear camera layout

    8:
    Triple
    Galaxy J7 Duo:
    Dual
  • Height

    Galaxy J7 Duo: 6.7 mm shorter

    8:
    160.2 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. 8

    Height:
    160.2 mm +6.7 mm versus Galaxy J7 Duo
    Width:
    72.9 mm
    Depth:
    8 mm
  2. 2. Galaxy J7 Duo

    Height:
    153.5 mm
    Width:
    77.2 mm +4.3 mm versus 8
    Depth:
    8.2 mm

Weight

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

  1. 1. 8

    180 g

    +6 g versus Galaxy J7 Duo

  2. 2. Galaxy J7 Duo

    174 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. 8

    Screen diagonal:
    6.55 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    103.6 cm²
  2. 2. Galaxy J7 Duo

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

8 has approximately 24.2% 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 8, Galaxy J7 Duo, compared at the same storage capacity.
Storage8Galaxy J7 Duo
128 GB 8 GB RAM Unknown
256 GB 12 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. 8

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

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. 8

    4300 mAh

    +1300 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. 82. Galaxy J7 Duo

Everyday essentials
Everyday essentials — specifications for 8, Galaxy J7 Duo.
Specification8Galaxy J7 Duo
Dimensions (HxWxD)
  • 160.2 Х 72.9 Х 8 mm
  • 153.5 Х 77.2 Х 8.2 mm
Weight
  • 180 g
  • 174 g
Technology
  • Fluid AMOLED
  • Super AMOLED
Screen size
  • 6.55" inch
  • 5.5" 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 12GB RAM
  • 32 GB
  • 512GB 4GB
Memory card support
  • No
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4300 mAh
  • Non-removable Li-Po
  • 3000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 10.0; OxygenOS 10.0
  • Android 8.0 (Oreo)
Chipset
  • Qualcomm SM8250 Snapdragon 865 (7 nm+)
  • Exynos 7885 Octa (14 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for 8, Galaxy J7 Duo.
Specification8Galaxy J7 Duo
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 103.6 cm2
  • 83.4 cm2
Screen format
  • 20:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 88.7%
  • 70.4%
PPI /points per inch/
  • 402 PPI
  • 267 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for 8, Galaxy J7 Duo.
Specification8Galaxy J7 Duo
Rear camera, main
  • 48 MP
  • Triple
  • 13 MP
  • Dual
Camera specs
  • 48 MP
  • f/1.8
  • 25mm (wide)
  • 1/2.0''
  • 0.8µm
  • PDAF
  • OIS -16 MP
  • f/2.2
  • 13mm (ultrawide)
  • PDAF -2 MP
  • f/2.4
  • (macro)
  • 13 MP
  • f/1.9
  • AF -5 MP
  • depth sensor
Functions
  • Auto-HDR
  • LED flash
Video
  • 1080p@30fps
  • gyro-EIS
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • (wide)
  • 1/3''
  • 1.0µm
  • 8 MP
  • f/1.9
Performance
Performance — specifications for 8, Galaxy J7 Duo.
Specification8Galaxy J7 Duo
Processor CPU
  • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
  • Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 650
  • Mali-G71
General specs
General specs — specifications for 8, Galaxy J7 Duo.
Specification8Galaxy J7 Duo
Release date
  • 2020
  • April 14
  • 2018
  • April
Colors
  • Onyx Black
  • Glacial Green
  • Interstellar Glow
  • Polar Silver
  • Black
  • Gold
  • Rose Gold
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 700 EUR
  • 240 EUR
Body build
  • Glass front (Gorilla Glass)
  • glass back (Gorilla Glass)
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for 8, Galaxy J7 Duo.
Specification8Galaxy J7 Duo
SIM card
  • 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 2CDMA 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)
  • 32(1500)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 42(3500)
  • 46(5200)
  • 66(1700/2100) - EU -5G - 5G band 1(2100)
  • 78(3500); SA/NSA - EU 5G band 2(1900)
  • 66(1700)
  • 71(600); SA/NSA - NA 5G band 78(3500); SA/NSA - IN 5G band 41(2500)
  • 78(3500)
  • 79(4700); SA/NSA - CNmmWave - Verizon exclusive
  • 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-A (5CA) Cat18 1200/150 Mbps
  • 5G 7.5 Gbps DL
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac/ax
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • SBAS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • Yes
Bluetooth
  • 5.1
  • A2DP
  • LE
  • aptX HD
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for 8, Galaxy J7 Duo.
Specification8Galaxy J7 Duo
Radio
  • No
  • FM radio
Others
  • HDR10+ -90Hz refresh rate
Unknown
Other features
Other features — specifications for 8, Galaxy J7 Duo.
Specification8Galaxy J7 Duo
Dop
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 30W
  • 50% in 22 min (advertised) - IP68 dust/water resistant (up to 1.5m for 30 mins)
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity - ANT+