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Oppo A31 vs Samsung Galaxy Z Flip

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.

    • Rear camera layout

      A31:
      Triple
      Galaxy Z Flip:
      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. A31

      Height:
      163.9 mm
      Width:
      75.5 mm
      Depth:
      8.3 mm

    2. 2. Galaxy Z Flip

      Height:
      Unknown
      Width:
      Unknown
      Depth:
      Unknown

      Folded/unfolded dimensions are ambiguous in this record; outlines are omitted.

    Weight

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

    1. 1. A31

      180 g

    2. 2. Galaxy Z Flip

      183 g

      +3 g versus A31

    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.

    At least two phones need compatible screen dimensions for a drawing.

    1. 1. A31

      Screen diagonal:
      6.5 in
      Aspect ratio (height:width):
      20:9
      Approximate rectangular screen area:
      102 cm²

    2. 2. Galaxy Z Flip

      Galaxy Z Flip: Screen geometry unavailable or conflicting.

    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 A31, Galaxy Z Flip, compared at the same storage capacity.
    StorageA31Galaxy Z Flip
    128 GB 4 GB RAM Not recorded
    256 GB Not recorded 8 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. A31

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSDXC (dedicated slot)

    2. Galaxy Z Flip

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

    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. A31

      4230 mAh

      +930 mAh versus Galaxy Z Flip

    2. 2. Galaxy Z Flip

      3300 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. A312. Galaxy Z Flip

    Everyday essentials
    Everyday essentials — specifications for A31, Galaxy Z Flip.
    SpecificationA31Galaxy Z Flip
    Dimensions (HxWxD)
    • 163.9 Х 75.5 Х 8.3 mm
    • 167.3 Х 73.6 Х 7.2 mm
    Weight
    • 180 g
    • 183 g
    Technology
    • IPS LCD
    • Foldable Dynamic AMOLED
    Screen size
    • 6.5" inch
    • 6.7" inch
    Screen resolution
    • 720 x 1600 px
    • 1080 x 2636 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 128GB 4GB RAM
    • 256GB 8GB RAM
    Memory card support
    • microSDXC (dedicated slot)
    • No
    Battery Capacity is not battery life. No endurance test is implied.
    • 4230 mAh
    • Non-removable Li-Po
    • 3300 mAh
    • Non-removable Li-Po
    Operating system OS
    • Android 9.0 (Pie); ColorOS 6.1
    • Android 10.0; One UI 2
    Chipset
    • Mediatek MT6765V/CB Helio P35 (12nm)
    • Qualcomm SM8150 Snapdragon 855+ (7 nm)
    NFC Unknown
    • Yes
    Headphone jack
    • Yes
    • No
    Display
    Display — specifications for A31, Galaxy Z Flip.
    SpecificationA31Galaxy Z Flip
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 102.0 cm2
    • 101.6 cm2
    Screen format
    • 20:9 (height:width)
    • 21.9:9 (height:width)
    Screen to body ratio
    • 82.4%
    • 82.5%
    PPI /points per inch/
    • 270 PPI
    • 425 PPI
    Camera and Video
    Camera and Video — specifications for A31, Galaxy Z Flip.
    SpecificationA31Galaxy Z Flip
    Rear camera, main
    • 12 MP
    • Triple
    • 12 MP
    • Dual
    Camera specs
    • 12 MP
    • f/1.8
    • (wide)
    • PDAF -2 MP
    • f/2.4
    • 27mm (macro)
    • 1/5.0''
    • 1.75µm -2 MP
    • (depth)
    • 12 MP
    • f/1.8
    • 27mm (wide)
    • 1/2.55"
    • 1.4µm
    • dual pixel PDAF
    • OIS -12 MP
    • f/2.2
    • 12mm (ultrawide)
    • 1.12µm
    Functions
    • HDR
    • HDR
    Video
    • 1080p@30fps
    • 2160p@30fps
    Front camera, selfie
    • 8 MP
    • Single
    • 10 MP
    • Single
    Specifications
    • 8 MP
    • f/2.0
    • 10 MP
    • f/2.4
    • 26mm (wide)
    • 1.22µm
    Performance

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

    Performance — specifications for A31, Galaxy Z Flip.
    SpecificationA31Galaxy Z Flip
    Processor CPU
    • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
    • Octa-core (1x2.95 GHz Kryo 485 & 3x2.41 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
    Graphics processor GPU
    • PowerVR GE8320
    • Adreno 640 (700 MHz)
    Antutu 8 score *
    • 105221
    • 455547
    General specs
    General specs — specifications for A31, Galaxy Z Flip.
    SpecificationA31Galaxy Z Flip
    Release date
    • 2020
    • February 13
    • 2020
    • February 11
    Colors
    • Fantasy White
    • Mystery Black
    • Mirror Black
    • Mirror Purple
    • Mirror Gold
    • Thom Browne Edition
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 180 EUR
    • 1500 EUR
    Body build
    • Glass front
    • plastic back
    • plastic frame
    • Plastic front
    • glass back (Gorilla Glass 6)
    • aluminum frame
    Communication and Connectivity
    Communication and Connectivity — specifications for A31, Galaxy Z Flip.
    SpecificationA31Galaxy Z Flip
    SIM card
    • Dual SIM (Nano-SIM
    • dual stand-by)
    • Nano-SIM
    • eSIM
    Network
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
    • 2(1900)
    • 3(1800)
    • 4(1700/2100)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 12(700)
    • 13(700)
    • 14(700)
    • 17(700)
    • 18(800)
    • 19(800)
    • 20(800)
    • 25(1900)
    • 26(850)
    • 28(700)
    • 29(700)
    • 30(2300)
    • 34(2000)
    • 38(2600)
    • 39(1900)
    • 40(2300)
    • 41(2500)
    • 46(5200)
    • 66(1700/2100)
    • 71(600)
    Speed
    • HSPA 42.2/5.76 Mbps
    • LTE-A
    • HSPA 42.2/5.76 Mbps
    • LTE-A (5CA) Cat16 1000/150 Mbps
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • Wi-Fi Direct
    • hotspot
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • Wi-Fi Direct
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • BDS
    • Yes
    • with A-GPS
    • GLONASS
    • GALILEO
    • BDS
    USB
    • microUSB 2.0
    • USB On-The-Go
    • 3.1
    • Type-C 1.0 reversible connector
    • USB On-The-Go
    Bluetooth
    • 5.0
    • A2DP
    • LE
    • 5.0
    • A2DP
    • LE
    Harmful irradiation Unknown
    • SAR - 0.54 W/kg (head) 0.96 W/kg (body) SAR EU - 0.54 W/kg (head) 0.96 W/kg (body)
    Music and Audio
    Music and Audio — specifications for A31, Galaxy Z Flip.
    SpecificationA31Galaxy Z Flip
    Radio
    • FM radio
    		 Unknown
    Others
    • 480 nits typ. brightness
    • HDR10+ -Cover display: 1.1"
    • Super AMOLED
    • 112 x 300 pixels
    • 32-bit/384kHz audio -Tuned by AKG
    Other features
    Other features — specifications for A31, Galaxy Z Flip.
    SpecificationA31Galaxy Z Flip
    Dop
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • proximity
    • compass
    • Sensors Fingerprint (side-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass
    • barometer - Fast battery charging 15W -Wireless charging - Samsung Pay (Visa
    • MasterCard certified) -Folded: 87.4 x 73.6 x 17.3 mm

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