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BLU Selfie vs Oppo A31

Compare recorded specifications, size and practical differences.

BLU Selfie

BLU Selfie

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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.

        • WeightSelfie: 44 g lighterSelfie: 136 g · A31: 180 g
        • WidthSelfie: 9.2 mm narrowerSelfie: 66.3 mm · A31: 75.5 mm
        • Screen diagonalSelfie: 1.8 in smaller diagonalSelfie: 4.7 in · A31: 6.5 in
        • Rear camera layoutSingle / TripleSelfie: Single · A31: Triple
        • DepthA31: 1.3 mm thinnerA31: 8.3 mm · Selfie: 9.6 mm
        • HeightSelfie: 17.9 mm shorterSelfie: 146 mm · A31: 163.9 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.

        Front
        Selfie: 146 × 66.3 mm 1 A31: 163.9 × 75.5 mm 2
        Side
        Selfie: 146 × 9.6 mm 1 A31: 163.9 × 8.3 mm 2
        1. 1. Selfie
          Height
          146 mm
          Width
          66.3 mm
          Depth
          9.6 mm+1.3 mm versus A31
          Weight
          136 g
        2. 2. A31
          Height
          163.9 mm+17.9 mm versus Selfie
          Width
          75.5 mm+9.2 mm versus Selfie
          Depth
          8.3 mm
          Weight
          180 g
        Weight

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

        1. 1. Selfie136 g
        2. 2. A31180 g

          +44 g versus Selfie

        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
        Selfie: 4.7 in, 16:9, About 60.9 cm² rectangular area 1 A31: 6.5 in, 20:9, About 102 cm² rectangular area 2
        1. 1. Selfie 4.7 in · 16:9 About 60.9 cm² rectangular area
        2. 2. A31 6.5 in · 20:9 About 102 cm² rectangular area

        A31 has approximately 67.5% more rectangular screen area than Selfie.

        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
        StorageSelfieA31
        16 GB 2 GB RAM Not recorded
        128 GB Not recorded 4 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. Selfie

        NFC
        Unknown
        Headphone jack
        Yes
        Memory card support
        See details microSD · up to 64 GB

        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. Selfie2300 mAh
        2. 2. A314230 mAh

          +1930 mAh versus Selfie

        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. Selfie2. A31

        Everyday essentials
        Everyday essentials
        SpecificationSelfieA31
        Dimensions (HxWxD)
        • 146 Х 66.3 Х 9.6 mm
        • 163.9 Х 75.5 Х 8.3 mm
        Weight
        • 136 g
        • 180 g
        Technology
        • IPS LCD
        • IPS LCD
        Screen size
        • 4.7" inch
        • 6.5" inch
        Screen resolution
        • 720 x 1280 px
        • 720 x 1600 px
        Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
        • 16 GB
        • 2 GB RAM
        • 128GB 4GB RAM
        Memory card support
        • microSD
        • up to 64 GB
        • microSDXC (dedicated slot)
        BatteryCapacity is not battery life. No endurance test is implied.
        • 2300 mAh
        • Non-removable Li-Ion
        • 4230 mAh
        • Non-removable Li-Po
        Operating system OS
        • Android 4.4.2 (KitKat)
        • Android 9.0 (Pie); ColorOS 6.1
        Chipset Unknown
        • Mediatek MT6765V/CB Helio P35 (12nm)
        Headphone jack
        • Yes
        • Yes
        Display
        Display
        SpecificationSelfieA31
        Touchscreen
        • capacitive touchscreen
        • capacitive touchscreen
        Display colors
        • 16M
        • 16M
        Screen area
        • 60.9 cm2
        • 102.0 cm2
        Screen format
        • 16:9 (height:width)
        • 20:9 (height:width)
        Screen to body ratio
        • 62.9%
        • 82.4%
        PPI /points per inch/
        • 312 PPI
        • 270 PPI
        Screen protection
        • Corning Gorilla Glass 3
        		 Unknown
        Camera and Video
        Camera and Video
        SpecificationSelfieA31
        Rear camera, main
        • 13 MP
        • Single
        • 12 MP
        • Triple
        Camera specs
        • 13 MP
        • AF
        • 12 MP
        • f/1.8
        • (wide)
        • PDAF -2 MP
        • f/2.4
        • 27mm (macro)
        • 1/5.0''
        • 1.75µm -2 MP
        • (depth)
        Functions
        • LED flash
        • HDR
        Video
        • 1080p@30fps
        • 1080p@30fps
        Front camera, selfie
        • 13 MP
        • Single
        • 8 MP
        • Single
        Specifications
        • 13 MP
        • 8 MP
        • f/2.0
        Performance
        Performance
        SpecificationSelfieA31
        Processor CPU
        • Octa-core 1.7 GHz
        • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
        Graphics processor GPU Unknown
        • PowerVR GE8320
        Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 105221
        General specs
        General specs
        SpecificationSelfieA31
        Release date
        • 2015
        • April
        • 2020
        • February 13
        Colors
        • White
        • Black
        • Blue
        • Fantasy White
        • Mystery Black
        Historical recorded priceLegacy catalogue value; date unknown. Not a current offer. Unknown
        • 180 EUR
        Battery life
        • Stand by time- Up to 900 h (2G) / Up to 750 h (3G) Talking time- Up to 24 h (2G) / Up to 14 h (3G)
        		 Unknown
        Body build Unknown
        • Glass front
        • plastic back
        • plastic frame
        Communication and Connectivity
        Communication and Connectivity
        SpecificationSelfieA31
        SIM card
        • 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
        • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
        Speed
        • HSPA 21.1/5.76 Mbps
        • HSPA 42.2/5.76 Mbps
        • LTE-A
        GPRS
        • Yes
        • Yes
        Edge
        • Yes
        • Yes
        Wi-Fi
        • Wi-Fi 802.11 b/g/n
        • Wi-Fi 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
        SpecificationSelfieA31
        Radio
        • FM radio
        • FM radio
        Others Unknown
        • 480 nits typ. brightness
        Other features
        Other features
        SpecificationSelfieA31
        Dop
        • Sensors Accelerometer
        • proximity
        • Sensors Fingerprint (rear-mounted)
        • accelerometer
        • proximity
        • compass

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