Oppo N1 mini 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

    N1 mini:
    LCD
    Galaxy J7 Duo:
    OLED
  • Weight

    N1 mini: 24 g lighter

    N1 mini:
    150 g
    Galaxy J7 Duo:
    174 g
  • Width

    N1 mini: 5 mm narrower

    N1 mini:
    72.2 mm
    Galaxy J7 Duo:
    77.2 mm
  • Screen diagonal

    N1 mini: 0.5 in smaller diagonal

    N1 mini:
    5 in
    Galaxy J7 Duo:
    5.5 in
  • Chipset

    N1 mini:
    Qualcomm Snapdragon 400 (28 nm)
    Galaxy J7 Duo:
    Exynos 7885 Octa (14 nm)
  • Rear camera layout

    N1 mini:
    Single
    Galaxy J7 Duo:
    Dual

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. N1 mini

    Height:
    148.4 mm
    Width:
    72.2 mm
    Depth:
    9.2 mm +1 mm versus Galaxy J7 Duo
  2. 2. Galaxy J7 Duo

    Height:
    153.5 mm +5.1 mm versus N1 mini
    Width:
    77.2 mm +5 mm versus N1 mini
    Depth:
    8.2 mm

Weight

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

  1. 1. N1 mini

    150 g

  2. 2. Galaxy J7 Duo

    174 g

    +24 g versus N1 mini

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. N1 mini

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Galaxy J7 Duo

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

Galaxy J7 Duo has approximately 21% more rectangular screen area than N1 mini.

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 N1 mini, Galaxy J7 Duo, compared at the same storage capacity.
StorageN1 miniGalaxy 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. N1 mini

NFC:
Unknown
Headphone jack:
Yes
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. N1 mini

    2140 mAh

  2. 2. Galaxy J7 Duo

    3000 mAh

    +860 mAh versus N1 mini

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. N1 mini2. Galaxy J7 Duo

Everyday essentials
Everyday essentials — specifications for N1 mini, Galaxy J7 Duo.
SpecificationN1 miniGalaxy J7 Duo
Dimensions (HxWxD)
  • 148.4 Х 72.2 Х 9.2 mm
  • 153.5 Х 77.2 Х 8.2 mm
Weight
  • 150 g
  • 174 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 5" inch
  • 5.5" inch
Screen resolution
  • 720 x 1280 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
  • No
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2140 mAh
  • Non-removable Li-Ion
  • 3000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.3 (Jelly Bean); ColorOS 1.4
  • Android 8.0 (Oreo)
Chipset
  • Qualcomm Snapdragon 400 (28 nm)
  • Exynos 7885 Octa (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for N1 mini, Galaxy J7 Duo.
SpecificationN1 miniGalaxy J7 Duo
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 83.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 64.3%
  • 70.4%
PPI /points per inch/
  • 294 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for N1 mini, Galaxy J7 Duo.
SpecificationN1 miniGalaxy J7 Duo
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 13 MP
  • 1/3.2''
  • AF
  • 13 MP
  • f/1.9
  • AF -5 MP
  • depth sensor
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 13 MP
  • AF
  • 8 MP
  • f/1.9
Performance

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

Performance — specifications for N1 mini, Galaxy J7 Duo.
SpecificationN1 miniGalaxy J7 Duo
Processor CPU
  • Quad-core 1.6 GHz Cortex-A7
  • Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 305
  • Mali-G71
Antutu 7 score *
  • 23415
Unknown
General specs
General specs — specifications for N1 mini, Galaxy J7 Duo.
SpecificationN1 miniGalaxy J7 Duo
Release date
  • 2014
  • August
  • 2018
  • April
Colors
  • White
  • Black
  • Gold
  • Rose Gold
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 330 EUR
  • 240 EUR
Communication and Connectivity
Communication and Connectivity — specifications for N1 mini, Galaxy J7 Duo.
SpecificationN1 miniGalaxy J7 Duo
SIM card
  • Micro-SIM
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 7(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 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • LTE
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB Host
  • Yes
Bluetooth
  • 4.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for N1 mini, Galaxy J7 Duo.
SpecificationN1 miniGalaxy J7 Duo
Radio
  • No
  • FM radio
Other features
Other features — specifications for N1 mini, Galaxy J7 Duo.
SpecificationN1 miniGalaxy J7 Duo
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity - ANT+