Oppo A33 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

    A33:
    LCD
    Galaxy J7 Duo:
    OLED
  • Weight

    A33: 28 g lighter

    A33:
    146 g
    Galaxy J7 Duo:
    174 g
  • Width

    A33: 5.5 mm narrower

    A33:
    71.7 mm
    Galaxy J7 Duo:
    77.2 mm
  • Screen diagonal

    A33: 0.5 in smaller diagonal

    A33:
    5 in
    Galaxy J7 Duo:
    5.5 in
  • Chipset

    A33:
    Qualcomm MSM8916 Snapdragon 410 (28 nm)
    Galaxy J7 Duo:
    Exynos 7885 Octa (14 nm)
  • Rear camera layout

    A33:
    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. A33

    Height:
    142.7 mm
    Width:
    71.7 mm
    Depth:
    7.6 mm
  2. 2. Galaxy J7 Duo

    Height:
    153.5 mm +10.8 mm versus A33
    Width:
    77.2 mm +5.5 mm versus A33
    Depth:
    8.2 mm +0.6 mm versus A33

Weight

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

  1. 1. A33

    146 g

  2. 2. Galaxy J7 Duo

    174 g

    +28 g versus A33

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. A33

    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 A33.

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 A33, Galaxy J7 Duo, compared at the same storage capacity.
StorageA33Galaxy 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. A33

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

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. A33

    2400 mAh

  2. 2. Galaxy J7 Duo

    3000 mAh

    +600 mAh versus A33

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. A332. Galaxy J7 Duo

Everyday essentials
Everyday essentials — specifications for A33, Galaxy J7 Duo.
SpecificationA33Galaxy J7 Duo
Dimensions (HxWxD)
  • 142.7 Х 71.7 Х 7.6 mm
  • 153.5 Х 77.2 Х 8.2 mm
Weight
  • 146 g
  • 174 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 5" inch
  • 5.5" inch
Screen resolution
  • 540 x 960 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
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2400 mAh
  • Non-removable Li-Po
  • 3000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop); ColorOS 2.1
  • Android 8.0 (Oreo)
Chipset
  • Qualcomm MSM8916 Snapdragon 410 (28 nm)
  • Exynos 7885 Octa (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A33, Galaxy J7 Duo.
SpecificationA33Galaxy 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
  • 67.4%
  • 70.4%
PPI /points per inch/
  • 220 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for A33, Galaxy J7 Duo.
SpecificationA33Galaxy J7 Duo
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 8 MP
  • 1/3.2''
  • 1.4µm
  • AF
  • 13 MP
  • f/1.9
  • AF -5 MP
  • depth sensor
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • 8 MP
  • f/1.9
Performance

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

Performance — specifications for A33, Galaxy J7 Duo.
SpecificationA33Galaxy J7 Duo
Processor CPU
  • Quad-core 1.2 GHz Cortex-A53
  • Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 306
  • Mali-G71
Antutu 7 score *
  • 26122
Unknown
GeekBench 4 Single Core *
  • 483
Unknown
GeekBench 4 Multi-Core *
  • 1235
Unknown
GeekBench 4 RenderScript *
  • 920
Unknown
General specs
General specs — specifications for A33, Galaxy J7 Duo.
SpecificationA33Galaxy J7 Duo
Release date
  • 2015
  • November
  • 2018
  • April
Colors
  • White
  • Black
  • Gold
  • Rose Gold
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 240 EUR
  • 240 EUR
Battery life
  • Stand by time- Up to 250 h (3G) Talking time- Up to 8 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A33, Galaxy J7 Duo.
SpecificationA33Galaxy J7 Duo
SIM card
  • Dual SIM (Nano-SIM/ Micro-SIM)
  • 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 -3G - HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100)
  • 3(1800)
  • 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)
  • 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
  • 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 A33, Galaxy J7 Duo.
SpecificationA33Galaxy J7 Duo
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A33, Galaxy J7 Duo.
SpecificationA33Galaxy J7 Duo
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity - ANT+