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  2. Nokia 8.1 vs Oppo A31

Nokia 8.1 vs Oppo A31

Compare recorded specifications, size and practical differences.

Nokia 8.1

Nokia 8.1

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    Oppo A31

    Oppo A31

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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.

        • Screen diagonal8.1: 0.32 in smaller diagonal8.1: 6.18 in · A31: 6.5 in
        • Rear camera layoutDual / Triple8.1: Dual · A31: Triple
        • Height8.1: 9.1 mm shorter8.1: 154.8 mm · A31: 163.9 mm
        • Release year2018 / 20208.1: 2018 · 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.

        Front
        8.1: 154.8 × 75.8 mm 1 A31: 163.9 × 75.5 mm 2
        Side
        8.1: 154.8 × 8 mm 1 A31: 163.9 × 8.3 mm 2
        1. 1. 8.1
          Height
          154.8 mm
          Width
          75.8 mm
          Depth
          8 mm
          Weight
          180 g
        2. 2. A31
          Height
          163.9 mm+9.1 mm versus 8.1
          Width
          75.5 mm
          Depth
          8.3 mm
          Weight
          180 g
        Weight

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

        1. 1. 8.1180 g
        2. 2. A31180 g

        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.

        Screen size
        8.1: 6.18 in, 19:9, About 95.3 cm² rectangular area 1 A31: 6.5 in, 20:9, About 102 cm² rectangular area 2
        1. 1. 8.1 6.18 in · 19:9 About 95.3 cm² rectangular area
        2. 2. A31 6.5 in · 20:9 About 102 cm² rectangular area

        A31 has approximately 7% more rectangular screen area than 8.1.

        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 by storage capacity and phone
        Storage8.1A31
        128 GB Unknown 4 GB RAM
        8.1: Original memory entry

        64 GB · 4 GB RAM - Nokia 8.164/128 GB · 4/6 GB RAM - Nokia X7Y

        Practical features

        Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

        1. 8.1

        NFC
        Yes
        Headphone jack
        Yes
        Memory card support
        See details microSD · up to 400 GB (uses SIM 2 slot)

        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 capacity

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

        1. 1. 8.13500 mAh
        2. 2. A314230 mAh

          +730 mAh versus 8.1

        Specifications

        Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

        Everyday essentials
        Everyday essentials
        Specification8.1A31
        Dimensions (HxWxD)
        • 154.8 Х 75.8 Х 8 mm
        • 163.9 Х 75.5 Х 8.3 mm
        Weight
        • 180 g
        • 180 g
        Technology
        • IPS LCD
        • IPS LCD
        Screen size
        • 6.18" inch
        • 6.5" inch
        Screen resolution
        • 1080 x 2280 px
        • 720 x 1600 px
        Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
        • 64 GB
        • 4 GB RAM - Nokia 8.164/128 GB
        • 4/6 GB RAM - Nokia X7Y
        • 128GB 4GB RAM
        Memory card support
        • microSD
        • up to 400 GB (uses SIM 2 slot)
        • microSDXC (dedicated slot)
        BatteryCapacity is not battery life. No endurance test is implied.
        • 3500 mAh
        • Non-removable Li-Ion
        • 4230 mAh
        • Non-removable Li-Po
        Operating system OS
        • Android 9.0 (Pie); Android One
        • Android 9.0 (Pie); ColorOS 6.1
        Chipset
        • Qualcomm SDM710 Snapdragon 710 (10 nm)
        • Mediatek MT6765V/CB Helio P35 (12nm)
        NFC
        • Yes
        		 Unknown
        Headphone jack
        • Yes
        • Yes
        Display
        Display
        Specification8.1A31
        Touchscreen
        • capacitive touchscreen
        • capacitive touchscreen
        Display colors
        • 16M
        • 16M
        Screen area
        • 95.3 cm2
        • 102.0 cm2
        Screen format
        • 19:9 (height:width)
        • 20:9 (height:width)
        Screen to body ratio
        • 81.2%
        • 82.4%
        PPI /points per inch/
        • 408 PPI
        • 270 PPI
        Screen protection
        • NEG
        		 Unknown
        Camera and Video
        Camera and Video
        Specification8.1A31
        Rear camera, main
        • 12 MP
        • Dual
        • 12 MP
        • Triple
        Camera specs
        • 12 MP
        • f/1.8
        • 1/2.55''
        • 1.4µm
        • dual pixel PDAF
        • OIS -13 MP
        • 12 MP
        • f/1.8
        • (wide)
        • PDAF -2 MP
        • f/2.4
        • 27mm (macro)
        • 1/5.0''
        • 1.75µm -2 MP
        • (depth)
        Functions
        • Zeiss optics
        • Dual-LED dual-tone flash
        • panorama
        • HDR
        • HDR
        Video
        • 2160p@30fps
        • 1080p@30fps (gyro-EIS)
        • 1080p@30fps
        Front camera, selfie
        • 20 MP
        • Single
        • 8 MP
        • Single
        Specifications
        • 20 MP
        • f/2.0
        • 0.9μm
        • 8 MP
        • f/2.0
        Performance
        Performance
        Specification8.1A31
        Processor CPU
        • Octa-core (2x2.2 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
        • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
        Graphics processor GPU
        • Adreno 616
        • PowerVR GE8320
        Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
        • 177222
        		 Unknown
        Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 105221
        General specs
        General specs
        Specification8.1A31
        Release date
        • 2018
        • December
        • 2020
        • February 13
        Colors
        • Blue
        • Silver
        • steel
        • copper
        • Iron
        • Fantasy White
        • Mystery Black
        Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
        • 400 EUR
        • 180 EUR
        Body build
        • Front/back glass
        • aluminum frame
        • Glass front
        • plastic back
        • plastic frame
        Communication and Connectivity
        Communication and Connectivity
        Specification8.1A31
        SIM card
        • Hybrid Dual SIM (Nano-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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
        • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
        Speed
        • HSPA 42.2/5.76 Mbps
        • LTE-A (2CA) Cat6 300/50 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
        • GLONASS
        • BDS
        • Yes
        • with A-GPS
        • BDS
        USB
        • 2.0
        • Type-C 1.0 reversible connector
        • USB On-The-Go
        • microUSB 2.0
        • USB On-The-Go
        Bluetooth
        • 5.0
        • A2DP
        • LE
        • 5.0
        • A2DP
        • LE
        Music and Audio
        Music and Audio
        Specification8.1A31
        Radio
        • No
        • FM radio
        Others
        • Active noise cancellation with dedicated mic
        • 480 nits typ. brightness
        Other features
        Other features
        Specification8.1A31
        Dop
        • Sensors Fingerprint (rear-mounted)
        • accelerometer
        • gyro
        • proximity
        • compass - Fast battery charging 2A/9V (18W) - Versions: Nokia 8.1 (Global); Nokia X7 (China)
        • Sensors Fingerprint (rear-mounted)
        • accelerometer
        • proximity
        • compass

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