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  2. Karbonn A21 vs OnePlus 6

Karbonn A21 vs OnePlus 6

Compare recorded specifications, size and practical differences.

Karbonn A21

Karbonn A21

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    OnePlus 6

    OnePlus 6

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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 diagonalA21: 1.78 in smaller diagonalA21: 4.5 in · 6: 6.28 in
        • Rear camera layoutSingle / DualA21: Single · 6: Dual
        • Release year2012 / 2018A21: 2012 · 6: 2018

        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
        6: 155.7 × 75.4 mm 2
        Side
        6: 155.7 × 7.8 mm 2
        1. 1. A21
          Height
          Unknown
          Width
          Unknown
          Depth
          Unknown
          Weight
          Unknown

          Unavailable dimensions are omitted from the drawing.

        2. 2. 6
          Height
          155.7 mm
          Width
          75.4 mm
          Depth
          7.8 mm
          Weight
          177 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
        A21: 4.5 in, 5:3, About 57.6 cm² rectangular area 1 6: 6.28 in, 19:9, About 98.4 cm² rectangular area 2
        1. 1. A21 4.5 in · 5:3 About 57.6 cm² rectangular area
        2. 2. 6 6.28 in · 19:9 About 98.4 cm² rectangular area

        6 has approximately 70.8% more rectangular screen area than A21.

        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.

        No unambiguous storage/RAM pairings are recorded. See the original specifications below.

        A21: Original memory entry

        4 GB · 512 MB RAM

        6: Original memory entry

        128/256 GB · 8 GB RAM 64 GB · 6 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. A21

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

        2. 6

        NFC
        Yes
        Headphone jack
        Yes
        Memory card support
        No

        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. A211800 mAh
        2. 2. 63300 mAh

          +1500 mAh versus A21

        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. A212. 6

        Everyday essentials
        Everyday essentials
        SpecificationA216
        Dimensions (HxWxD)
        • Х Х mm
        • 155.7 Х 75.4 Х 7.8 mm
        Weight
        • 0 g
        • 177 g
        Technology
        • TFT
        • Optic AMOLED
        Screen size
        • 4.5" inch
        • 6.28" inch
        Screen resolution
        • 480 x 800 px
        • 1080 x 2280 px
        Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
        • 4 GB
        • 512 MB RAM
        • 128/256 GB
        • 8 GB RAM 64 GB
        • 6 GB RAM
        Memory card support
        • microSD
        • up to 32 GB (dedicated slot)
        • No
        BatteryCapacity is not battery life. No endurance test is implied.
        • 1800 mAh
        • Removable Li-Ion
        • 3300 mAh
        • Non-removable Li-Po
        Operating system OS
        • Android 4.0 (Ice Cream Sandwich)
        • Android 8.1 (Oreo)
        • upgradable to Android 9.0 (Pie); OxygenOS 9.0.2
        Chipset Unknown
        • Qualcomm SDM845 Snapdragon 845 (10 nm)
        NFC Unknown
        • Yes
        Headphone jack
        • Yes
        • Yes
        Display
        Display
        SpecificationA216
        Touchscreen
        • capacitive touchscreen
        • capacitive touchscreen
        Display colors
        • 256K
        • 16M
        Screen area
        • 57.6 cm2
        • 98.4 cm2
        Screen format
        • 5:3 (height:width)
        • 19:9 (height:width)
        Screen to body ratio Unknown
        • 83.8%
        PPI /points per inch/
        • 207 PPI
        • 402 PPI
        Screen protection Unknown
        • Corning Gorilla Glass 5
        Camera and Video
        Camera and Video
        SpecificationA216
        Rear camera, main
        • 5 MP
        • Single
        • 16 MP
        • Dual
        Camera specs
        • 5 MP
        • AF
        • 16 MP
        • f/1.7
        • 25mm (wide)
        • 1/2.6''
        • 1.22µm
        • OIS
        • PDAF -20 MP (16 MP effective)
        • 1/2.8''
        • 1.0µm
        • PDAF
        Functions
        • LED flash
        • Auto-HDR
        • gyro-EIS
        Video
        • Yes
        • 1080p@30fps
        Front camera, selfie
        • 1.3 MP
        • Single
        • 16 MP
        • Single
        Specifications
        • 1.3 MP
        • 16 MP
        • f/2.0
        • 25mm (wide)
        • 1/3.1''
        • 1.0µm
        DxOMark Main ScoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 96
        DxOMark PhotoLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 100
        DxOMark VideoLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 87
        Performance
        Performance
        SpecificationA216
        Processor CPU
        • Dual-core 1.2 GHz
        • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
        Graphics processor GPU Unknown
        • Adreno 630
        Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 297021
        GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 2390
        GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 8846
        GeekBench 4 RenderScriptLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 13505
        Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 357294
        GeekBench 4 BatteryLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 3565
        GeekBench 5 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 501
        GeekBench 5 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 2216
        General specs
        General specs
        SpecificationA216
        Release date
        • 2012
        • 2018
        • May
        Colors
        • Pearl White
        • Midnight Black
        • Mirror Black
        • Silk White
        • Amber Red
        Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
        • 130 EUR
        • 520 EUR
        Battery life
        • Stand by time- Up to 200 h Talking time- Up to 5 h
        		 Unknown
        Body build Unknown
        • Front/back glass
        • aluminum frame
        Communication and Connectivity
        Communication and Connectivity
        SpecificationA216
        SIM card
        • Dual SIM (Mini-SIM)
        • Dual SIM (Nano-SIM
        • dual stand-by)
        Network
        • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
        • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
        • 2(1900)
        • 3(1800)
        • 4(1700/2100)
        • 5(850)
        • 7(2600)
        • 8(900)
        • 12(700)
        • 17(700)
        • 18(800)
        • 19(800)
        • 20(800)
        • 25(1900)
        • 26(850)
        • 28(700)
        • 29(700)
        • 30(2300)
        • 32(1500)
        • 34(2000)
        • 38(2600)
        • 39(1900)
        • 40(2300)
        • 41(2500)
        • 66(1700/2100)
        • 71(600) - Europe
        • North America LTE band 1(2100)
        • 66(1700/2100) - India
        • Asia
        • China
        Speed
        • HSPA 7.2/0.384 Mbps
        • HSPA 42.2/5.76 Mbps
        • LTE-A (4CA) Cat16 1024/150 Mbps
        GPRS
        • Yes
        • Yes
        Edge
        • Yes
        • Yes
        Wi-Fi
        • Wi-Fi 802.11 b/g/n
        • Wi-Fi 802.11 a/b/g/n/ac
        • dual-band
        • WiFi Direct
        • DLNA
        • hotspot
        GPS
        • Yes
        • with A-GPS
        • Yes
        • with A-GPS
        • GLONASS
        • BDS
        • GALILEO
        USB
        • microUSB 2.0
        • 2.0
        • Type-C 1.0 reversible connector
        Bluetooth
        • 2.1
        • A2DP
        • 5.0
        • A2DP
        • LE
        • aptX HD
        Harmful irradiation
        • SAR EU - 0.44 W/kg (head)
        		 Unknown
        Music and Audio
        Music and Audio
        SpecificationA216
        Radio
        • No
        • No
        Others Unknown
        • DCI-P3
        • Active noise cancellation with dedicated mic -Dirac HD sound
        Other features
        Other features
        SpecificationA216
        Dop
        • Sensors Accelerometer
        • proximity
        • Sensors Fingerprint (rear-mounted)
        • accelerometer
        • gyro
        • proximity
        • compass - Fast battery charging 5V 4A 20W (Dash Charge) - Splash resistant - For Europe
        • Asia
        • North America
        • China

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