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  2. Celkon A20 vs Oppo A9

Celkon A20 vs Oppo A9

Compare recorded specifications, size and practical differences.

Celkon A20

Celkon A20

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    Oppo A9

    Oppo A9

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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 diagonalA20: 2.53 in smaller diagonalA20: 4 in · A9: 6.53 in
        • Rear camera layoutSingle / DualA20: Single · A9: Dual
        • Release year2013 / 2019A20: 2013 · A9: 2019

        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
        A9: 162 × 76.1 mm 2
        Side
        A9: 162 × 8.3 mm 2
        1. 1. A20
          Height
          Unknown
          Width
          Unknown
          Depth
          Unknown
          Weight
          Unknown

          Unavailable dimensions are omitted from the drawing.

        2. 2. A9
          Height
          162 mm
          Width
          76.1 mm
          Depth
          8.3 mm
          Weight
          190 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
        A20: 4 in, 5:3, About 45.5 cm² rectangular area 1 A9: 6.53 in, 19.5:9, About 104.7 cm² rectangular area 2
        1. 1. A20 4 in · 5:3 About 45.5 cm² rectangular area
        2. 2. A9 6.53 in · 19.5:9 About 104.7 cm² rectangular area

        A9 has approximately 129.8% more rectangular screen area than A20.

        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
        StorageA20A9
        128 GB Unknown 6 GB RAM
        A20: Original memory entry

        256 MB · 512 MB 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. A20

        NFC
        Unknown
        Headphone jack
        Yes
        Memory card support
        See details microSD · up to 32 GB (dedicated slot)

        2. A9

        NFC
        Yes
        Headphone jack
        Yes
        Memory card support
        See details microSD · up to 256 GB

        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. A201500 mAh
        2. 2. A94020 mAh

          +2520 mAh versus A20

        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. A202. A9

        Everyday essentials
        Everyday essentials
        SpecificationA20A9
        Dimensions (HxWxD)
        • Х Х mm
        • 162 Х 76.1 Х 8.3 mm
        Weight
        • 0 g
        • 190 g
        Technology
        • TFT
        • IPS LCD
        Screen size
        • 4" inch
        • 6.53" inch
        Screen resolution
        • 480 x 800 px
        • 1080 x 2340 px
        Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
        • 256 MB
        • 512 MB RAM
        • 128 GB
        • 6 GB RAM
        Memory card support
        • microSD
        • up to 32 GB (dedicated slot)
        • microSD
        • up to 256 GB
        BatteryCapacity is not battery life. No endurance test is implied.
        • 1500 mAh
        • Li-Ion
        • 4020 mAh
        • Non-removable Li-Po
        Operating system OS
        • Android 4.2.0 (Jelly Bean)
        • Android 9.0 (Pie); ColorOS 6
        Chipset Unknown
        • Mediatek Helio P70 (12nm)
        NFC Unknown
        • Yes
        Headphone jack
        • Yes
        • Yes
        Display
        Display
        SpecificationA20A9
        Touchscreen
        • capacitive touchscreen
        • capacitive touchscreen
        Display colors Unknown
        • 16M
        Screen area
        • 45.5 cm2
        • 104.7 cm2
        Screen format
        • 5:3 (height:width)
        • 19.5:9 (height:width)
        Screen to body ratio Unknown
        • 84.9%
        PPI /points per inch/
        • 233 PPI
        • 395 PPI
        Camera and Video
        Camera and Video
        SpecificationA20A9
        Rear camera, main
        • 3.15 MP
        • Single
        • 16 MP
        • Dual
        Camera specs
        • 3.15 MP
        • 16 MP
        • AF -2 MP
        • f/2.4
        • depth sensor
        Functions Unknown
        • HDR
        Video
        • Yes
        • 1080p@30fps
        Front camera, selfie
        • 0.3 MP
        • Single
        • 16 MP
        • Single
        Specifications
        • VGA
        • 16 MP
        Performance
        Performance
        SpecificationA20A9
        Processor CPU
        • Dual-core 1.2 GHz
        • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
        Graphics processor GPU Unknown
        • Mali-G72 MP3
        Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 175916
        General specs
        General specs
        SpecificationA20A9
        Release date
        • 2013
        • August
        • 2019
        • April
        Colors
        • Black
        • Mica Green
        • Ice Jade White
        • Fluorite Purple
        Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
        • 60 EUR
        • 250 EUR
        Communication and Connectivity
        Communication and Connectivity
        SpecificationA20A9
        SIM card
        • Dual SIM (Mini-SIM)
        • Dual SIM (Nano-SIM
        • dual stand-by)
        Network
        • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
        • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
        Speed
        • Yes
        • 384 kbps
        • HSPA
        • LTE-A
        GPRS
        • Class 12
        • Yes
        Edge
        • Class 12
        • Yes
        Wi-Fi
        • Wi-Fi 802.11 b/g/n
        • Yes
        GPS
        • No
        • Yes
        • with A-GPS
        • GLONASS
        • BDS
        USB
        • microUSB 2.0
        • microUSB 2.0
        • USB On-The-Go
        Bluetooth
        • Yes
        • Yes
        Harmful irradiation
        • SAR EU - 0.88 W/kg (head) 0.60 W/kg (body)
        		 Unknown
        Music and Audio
        Music and Audio
        SpecificationA20A9
        Radio Unknown
        • FM radio
        Others Unknown
        • Active noise cancellation with dedicated mic
        Other features
        Other features
        SpecificationA20A9
        Dop
        • Sensors Proximity
        • gyro
        • Sensors Fingerprint (rear-mounted)
        • accelerometer
        • proximity
        • compass

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