Oppo R15x vs Samsung Galaxy J7

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

    R15x: 15 g lighter

    R15x:
    156 g
    Galaxy J7:
    171 g
  • Width

    R15x: 3.2 mm narrower

    R15x:
    75.5 mm
    Galaxy J7:
    78.7 mm
  • Screen diagonal

    Galaxy J7: 0.9 in smaller diagonal

    R15x:
    6.4 in
    Galaxy J7:
    5.5 in
  • Chipset

    R15x:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    Galaxy J7:
    Qualcomm MSM8939 Snapdragon 615 (28 nm) -Exynos 7580 Octa
  • Rear camera layout

    R15x:
    Dual
    Galaxy J7:
    Single
  • Height

    Galaxy J7: 6.1 mm shorter

    R15x:
    158.3 mm
    Galaxy J7:
    152.2 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. R15x

    Height:
    158.3 mm +6.1 mm versus Galaxy J7
    Width:
    75.5 mm
    Depth:
    7.4 mm
  2. 2. Galaxy J7

    Height:
    152.2 mm
    Width:
    78.7 mm +3.2 mm versus R15x
    Depth:
    7.5 mm

Weight

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

  1. 1. R15x

    156 g

  2. 2. Galaxy J7

    171 g

    +15 g versus R15x

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. R15x

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

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

R15x has approximately 20.6% more rectangular screen area than Galaxy J7.

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 R15x, Galaxy J7, compared at the same storage capacity.
StorageR15xGalaxy J7
128 GB 6 GB RAM Unknown
Galaxy J7: Original memory entry

16 GB · 1.5 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. R15x

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

2. Galaxy J7

NFC:
See details Yes (Snapdragon model only)
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. R15x

    3600 mAh

    +600 mAh versus Galaxy J7

  2. 2. Galaxy J7

    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. R15x2. Galaxy J7

Everyday essentials
Everyday essentials — specifications for R15x, Galaxy J7.
SpecificationR15xGalaxy J7
Dimensions (HxWxD)
  • 158.3 Х 75.5 Х 7.4 mm
  • 152.2 Х 78.7 Х 7.5 mm
Weight
  • 156 g
  • 171 g
Technology
  • Super AMOLED
  • Super AMOLED
Screen size
  • 6.4" inch
  • 5.5" inch
Screen resolution
  • 1080 x 2340 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM
  • 16 GB
  • 1.5 GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3600 mAh
  • Non-removable Li-Ion
  • 3000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5.2
  • Android 5.1 (Lollipop)
  • upgradable to 6.0.1 (Marshmallow)
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Qualcomm MSM8939 Snapdragon 615 (28 nm) -Exynos 7580 Octa
NFC Unknown
  • Yes (Snapdragon model only)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R15x, Galaxy J7.
SpecificationR15xGalaxy J7
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 101.0 cm2
  • 83.4 cm2
Screen format
  • 19.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 84.5%
  • 69.6%
PPI /points per inch/
  • 402 PPI
  • 267 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for R15x, Galaxy J7.
SpecificationR15xGalaxy J7
Rear camera, main
  • 16 MP
  • Dual
  • 13 MP
  • Single
Camera specs
  • 16 MP
  • f/1.7
  • 1/2.8''
  • 1.12µm
  • PDAF -2 MP
  • depth sensor
  • 13 MP
  • f/1.9
  • 28mm (wide)
  • AF
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 25 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
  • 5 MP
  • f/2.2
  • 23mm (wide)
Performance

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

Performance — specifications for R15x, Galaxy J7.
SpecificationR15xGalaxy J7
Processor CPU
  • Octa-core (4x2.0 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Octa-core (4x1.4 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) -Octa-core 1.5 GHz Cortex-A53
Graphics processor GPU
  • Adreno 512
  • Adreno 405 -Mali-T720MP2
Antutu 7 score *
  • 143726
Unknown
GeekBench 4 Single Core * Unknown
  • 693
GeekBench 4 Multi-Core * Unknown
  • 3327
GeekBench 4 RenderScript * Unknown
  • 1997
General specs
General specs — specifications for R15x, Galaxy J7.
SpecificationR15xGalaxy J7
Release date
  • 2018
  • October
  • 2015
  • June
Colors
  • Nebula
  • Silver Green
  • White
  • Black
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 350 EUR
  • 200 EUR
Battery life Unknown
  • Talking time- Up to 18 h (3G) Music play - Up to 76 h
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for R15x, Galaxy J7.
SpecificationR15xGalaxy J7
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 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 1700(AWS) / 2100 / 900 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 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)
  • 40(2300)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 21.1/5.76 MbpsHSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 а/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.1
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.25 W/kg (head) 1.36 W/kg (body) SAR EU - 0.50 W/kg (head) 0.37 W/kg (body)
Music and Audio
Music and Audio — specifications for R15x, Galaxy J7.
SpecificationR15xGalaxy J7
Radio
  • No
  • FM radio
  • RDS
  • recording
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for R15x, Galaxy J7.
SpecificationR15xGalaxy J7
Dop
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 5V/2A 10W - Incomplete preliminary specifications
  • Sensors Accelerometer
  • proximity - ANT+ - Versions: J700F (India
  • Thailand); J700M (LATAM); J700M/DS (Brazil); J700H with no LTE (South Africa
  • Pakistan
  • Vietnam
  • Philippines
  • Russia); J700T (T-Mobile
  • Metro PCS); J700P (Virgin Mobile
  • Boost)