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  2. BLU G9 vs Oppo A31

BLU G9 vs Oppo A31

Compare recorded specifications, size and practical differences.

BLU G9

BLU G9

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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.

        • WeightG9: 15 g lighterG9: 165 g · A31: 180 g
        • WidthG9: 3.7 mm narrowerG9: 71.8 mm · A31: 75.5 mm
        • Screen diagonalG9: 0.2 in smaller diagonalG9: 6.3 in · A31: 6.5 in
        • Rear camera layoutDual / TripleG9: Dual · A31: Triple
        • HeightG9: 8.5 mm shorterG9: 155.4 mm · A31: 163.9 mm
        • Release year2019 / 2020G9: 2019 · 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
        G9: 155.4 × 71.8 mm 1 A31: 163.9 × 75.5 mm 2
        Side
        G9: 155.4 × 8 mm 1 A31: 163.9 × 8.3 mm 2
        1. 1. G9
          Height
          155.4 mm
          Width
          71.8 mm
          Depth
          8 mm
          Weight
          165 g
        2. 2. A31
          Height
          163.9 mm+8.5 mm versus G9
          Width
          75.5 mm+3.7 mm versus G9
          Depth
          8.3 mm
          Weight
          180 g
        Weight

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

        1. 1. G9165 g
        2. 2. A31180 g

          +15 g versus G9

        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
        G9: 6.3 in, 19:9, About 99.1 cm² rectangular area 1 A31: 6.5 in, 20:9, About 102 cm² rectangular area 2
        1. 1. G9 6.3 in · 19:9 About 99.1 cm² rectangular area
        2. 2. A31 6.5 in · 20:9 About 102 cm² rectangular area

        A31 has approximately 3% more rectangular screen area than G9.

        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
        StorageG9A31
        128 GB Unknown 4 GB RAM
        G9: Original memory entry

        64 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. G9

        NFC
        Unknown
        Headphone jack
        Yes
        Memory card support
        See details microSD · up to 128 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. G94000 mAh
        2. 2. A314230 mAh

          +230 mAh versus G9

        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. G92. A31

        Everyday essentials
        Everyday essentials
        SpecificationG9A31
        Dimensions (HxWxD)
        • 155.4 Х 71.8 Х 8 mm
        • 163.9 Х 75.5 Х 8.3 mm
        Weight
        • 165 g
        • 180 g
        Technology
        • IPS LCD
        • IPS LCD
        Screen size
        • 6.3" inch
        • 6.5" inch
        Screen resolution
        • 720 x 1520 px
        • 720 x 1600 px
        Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
        • 64 GB
        • 512GB 4GB
        • 128GB 4GB RAM
        Memory card support
        • microSD
        • up to 128 GB
        • microSDXC (dedicated slot)
        BatteryCapacity is not battery life. No endurance test is implied.
        • 4000 mAh
        • Non-removable Li-Po
        • 4230 mAh
        • Non-removable Li-Po
        Operating system OS
        • Android 9.0 (Pie)
        • Android 9.0 (Pie); ColorOS 6.1
        Chipset
        • Mediatek MT6762 Helio P22 (12 nm)
        • Mediatek MT6765V/CB Helio P35 (12nm)
        Headphone jack
        • Yes
        • Yes
        Display
        Display
        SpecificationG9A31
        Touchscreen
        • capacitive touchscreen
        • capacitive touchscreen
        Display colors
        • 16M
        • 16M
        Screen area
        • 99.1 cm2
        • 102.0 cm2
        Screen format
        • 19:9 (height:width)
        • 20:9 (height:width)
        Screen to body ratio
        • 88.8%
        • 82.4%
        PPI /points per inch/
        • 267 PPI
        • 270 PPI
        Camera and Video
        Camera and Video
        SpecificationG9A31
        Rear camera, main
        • 13 MP
        • Dual
        • 12 MP
        • Triple
        Camera specs
        • 13 MP
        • f/2.0
        • 1/3''
        • PDAF -2 MP
        • depth sensor
        • 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
        • f/2.0
        • 1/3''
        • 8 MP
        • f/2.0
        Performance
        Performance
        SpecificationG9A31
        Processor CPU
        • Octa-core 2.0 GHz Cortex-A53
        • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
        Graphics processor GPU
        • PowerVR GE8320
        • PowerVR GE8320
        Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
        • 74326
        		 Unknown
        Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 105221
        General specs
        General specs
        SpecificationG9A31
        Release date
        • 2019
        • May
        • 2020
        • February 13
        Colors
        • Black
        • Blue
        • Fantasy White
        • Mystery Black
        Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
        • 180 USD
        • 180 EUR
        Battery life
        • Stand by time- Up to 750 h (2G) / Up to 650 h (3G) Talking time- Up to 30 h (2G) / Up to 24 h (3G)
        		 Unknown
        Body build Unknown
        • Glass front
        • plastic back
        • plastic frame
        Communication and Connectivity
        Communication and Connectivity
        SpecificationG9A31
        SIM card
        • Dual SIM (Micro-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 -3G - HSDPA 850 / 1700(AWS) / 1900 -4G - LTE band 1(2100)
        • 2(1900)
        • 3(1800)
        • 4(1700/2100)
        • 5(850)
        • 7(2600)
        • 8(900)
        • 12(700)
        • 13(700)
        • 17(700)
        • 28(700)
        • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
        Speed
        • HSPA 42.2/11.5 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
        • 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
        • 2.0
        • Type-C 1.0 reversible connector
        • microUSB 2.0
        • USB On-The-Go
        Bluetooth
        • 4.0
        • A2DP
        • 5.0
        • A2DP
        • LE
        Music and Audio
        Music and Audio
        SpecificationG9A31
        Radio
        • FM radio
        • FM radio
        Others Unknown
        • 480 nits typ. brightness
        Other features
        Other features
        SpecificationG9A31
        Dop
        • Sensors Fingerprint (rear-mounted)
        • accelerometer
        • gyro
        • proximity
        • compass
        • Sensors Fingerprint (rear-mounted)
        • accelerometer
        • proximity
        • compass

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