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Lenovo K80 vs Oppo A31

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

      K80: 22 g lighter

      K80:
      158 g
      A31:
      180 g

    • Screen diagonal

      K80: 1 in smaller diagonal

      K80:
      5.5 in
      A31:
      6.5 in

    • Rear camera layout

      K80:
      Single
      A31:
      Triple

    • Release year

      K80:
      2015
      A31:
      2020

    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. K80

      Height:
      Unknown
      Width:
      Unknown
      Depth:
      Unknown

      Unavailable dimensions are omitted from the drawing.

    2. 2. A31

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

    Weight

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

    1. 1. K80

      158 g

    2. 2. A31

      180 g

      +22 g versus K80

    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. K80

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

    2. 2. A31

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

    A31 has approximately 22.3% more rectangular screen area than K80.

    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 K80, A31, compared at the same storage capacity.
    StorageK80A31
    128 GB Unknown 4 GB RAM
    K80: Original memory entry

    64 GB · 4 GB RAM32 GB · 2 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. K80

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

    2. A31

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSDXC (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. K80

      4000 mAh

    2. 2. A31

      4230 mAh

      +230 mAh versus K80

    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. K802. A31

    Everyday essentials
    Everyday essentials — specifications for K80, A31.
    SpecificationK80A31
    Dimensions (HxWxD)
    • Х Х mm
    • 163.9 Х 75.5 Х 8.3 mm
    Weight
    • 158 g
    • 180 g
    Technology
    • IPS LCD
    • IPS LCD
    Screen size
    • 5.5" inch
    • 6.5" inch
    Screen resolution
    • 1080 x 1920 px
    • 720 x 1600 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 64 GB
    • 4 GB RAM32 GB
    • 2 GB RAM
    • 128GB 4GB RAM
    Memory card support
    • No
    • microSDXC (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 4000 mAh
    • Non-removable Li-Ion
    • 4230 mAh
    • Non-removable Li-Po
    Operating system OS
    • Android 5.0 (Lollipop)
    • Android 9.0 (Pie); ColorOS 6.1
    Chipset
    • Intel Atom Z3560
    • Mediatek MT6765V/CB Helio P35 (12nm)
    NFC
    • Yes
    		 Unknown
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for K80, A31.
    SpecificationK80A31
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 83.4 cm2
    • 102.0 cm2
    Screen format
    • 16:9 (height:width)
    • 20:9 (height:width)
    Screen to body ratio Unknown
    • 82.4%
    PPI /points per inch/
    • 401 PPI
    • 270 PPI
    Camera and Video
    Camera and Video — specifications for K80, A31.
    SpecificationK80A31
    Rear camera, main
    • 13 MP
    • Single
    • 12 MP
    • Triple
    Camera specs
    • 13 MP
    • OIS
    • AF
    • 12 MP
    • f/1.8
    • (wide)
    • PDAF -2 MP
    • f/2.4
    • 27mm (macro)
    • 1/5.0''
    • 1.75µm -2 MP
    • (depth)
    Functions
    • Dual-LED flash
    • HDR
    • panorama
    • HDR
    Video
    • 1080p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 5 MP
    • Single
    • 8 MP
    • Single
    Specifications
    • 5 MP
    • 8 MP
    • f/2.0
    Performance

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

    Performance — specifications for K80, A31.
    SpecificationK80A31
    Processor CPU
    • Quad-core 1.83 GHz
    • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
    Graphics processor GPU Unknown
    • PowerVR GE8320
    Antutu 8 score * Unknown
    • 105221
    General specs
    General specs — specifications for K80, A31.
    SpecificationK80A31
    Release date
    • 2015
    • April
    • 2020
    • February 13
    Colors
    • Black
    • Silver
    • Red
    • Fantasy White
    • Mystery Black
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 280 EUR
    • 180 EUR
    Battery life
    • Stand by time- Up to 520 h (3G) Talking time- Up to 33 h (3G)
    		 Unknown
    Body build Unknown
    • Glass front
    • plastic back
    • plastic frame
    Communication and Connectivity
    Communication and Connectivity — specifications for K80, A31.
    SpecificationK80A31
    SIM card
    • Dual SIM (Micro-SIM
    • dual stand-by)
    • Dual SIM (Nano-SIM
    • dual stand-by)
    Network
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100)
    • 3(1800)
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
    Speed
    • HSPA
    • LTE Cat4 150/50 Mbps
    • HSPA 42.2/5.76 Mbps
    • LTE-A
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • WiFi Direct
    • hotspot
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • Wi-Fi Direct
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • Yes
    • with A-GPS
    • BDS
    USB
    • microUSB 2.0
    • microUSB 2.0
    • USB On-The-Go
    Bluetooth
    • 4.0
    • A2DP
    • 5.0
    • A2DP
    • LE
    Music and Audio
    Music and Audio — specifications for K80, A31.
    SpecificationK80A31
    Radio
    • FM radio
    • FM radio
    Others
    • Active noise cancellation with dedicated mic
    • 480 nits typ. brightness
    Other features
    Other features — specifications for K80, A31.
    SpecificationK80A31
    Dop
    • Sensors Accelerometer
    • proximity
    • compass
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • proximity
    • compass

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