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  2. A1 Alpha vs Oppo R819

A1 Alpha vs Oppo R819

Compare recorded specifications, size and practical differences.

A1 Alpha

A1 Alpha

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    Oppo R819

    Oppo R819

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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.

        • WeightR819: 40 g lighterR819: 110 g · Alpha: 150 g
        • WidthR819: 7.8 mm narrowerR819: 68 mm · Alpha: 75.8 mm
        • Screen diagonalR819: 1.56 in smaller diagonalR819: 4.7 in · Alpha: 6.26 in
        • ChipsetUnisoc SC9863A (28nm) / Mediatek MT6589 (28 nm)Alpha: Unisoc SC9863A (28nm) · R819: Mediatek MT6589 (28 nm)
        • Rear camera layoutDual / SingleAlpha: Dual · R819: Single
        • DepthR819: 0.8 mm thinnerR819: 7.3 mm · Alpha: 8.1 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
        Alpha: 151.7 × 75.8 mm 1 R819: 136.5 × 68 mm 2
        Side
        Alpha: 151.7 × 8.1 mm 1 R819: 136.5 × 7.3 mm 2
        1. 1. Alpha
          Height
          151.7 mm+15.2 mm versus R819
          Width
          75.8 mm+7.8 mm versus R819
          Depth
          8.1 mm+0.8 mm versus R819
          Weight
          150 g
        2. 2. R819
          Height
          136.5 mm
          Width
          68 mm
          Depth
          7.3 mm
          Weight
          110 g
        Weight

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

        1. 1. Alpha150 g

          +40 g versus R819

        2. 2. R819110 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
        Alpha: 6.26 in, 19:9, About 97.8 cm² rectangular area 1 R819: 4.7 in, 16:9, About 60.9 cm² rectangular area 2
        1. 1. Alpha 6.26 in · 19:9 About 97.8 cm² rectangular area
        2. 2. R819 4.7 in · 16:9 About 60.9 cm² rectangular area

        Alpha has approximately 60.6% more rectangular screen area than R819.

        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
        StorageAlphaR819
        16 GB Not recorded 1 GB RAM
        32 GB 2 GB RAM Not recorded
        64 GB 3 GB RAM Not recorded

        Practical features

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

        1. Alpha

        NFC
        See details Yes (64/3GB model only)
        Headphone jack
        Yes
        Memory card support
        See details microSD · up to 256 GB (uses shared SIM slot)

        2. R819

        NFC
        Unknown
        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. Alpha3200 mAh

          +1200 mAh versus R819

        2. 2. R8192000 mAh

        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. Alpha2. R819

        Everyday essentials
        Everyday essentials
        SpecificationAlphaR819
        Dimensions (HxWxD)
        • 151.7 Х 75.8 Х 8.1 mm
        • 136.5 Х 68 Х 7.3 mm
        Weight
        • 150 g
        • 110 g
        Technology
        • IPS LCD
        • IPS LCD
        Screen size
        • 6.26" inch
        • 4.7" inch
        Screen resolution
        • 720 x 1520 px
        • 720 x 1280 px
        Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
        • 32GB 2GB RAM
        • 64GB 3GB RAM
        • 16 GB
        • 1 GB RAM
        Memory card support
        • microSD
        • up to 256 GB (uses shared SIM slot)
        • No
        BatteryCapacity is not battery life. No endurance test is implied.
        • 3200 mAh
        • Non-removable Li-Ion
        • 2000 mAh
        • Non-removable Li-Ion
        Operating system OS
        • Android 9.0 (Pie)
        • Android 4.2.1 (Jelly Bean)
        Chipset
        • Unisoc SC9863A (28nm)
        • Mediatek MT6589 (28 nm)
        NFC
        • Yes (64/3GB model only)
        		 Unknown
        Headphone jack
        • Yes
        • Yes
        Display
        Display
        SpecificationAlphaR819
        Touchscreen
        • capacitive touchscreen
        • capacitive touchscreen
        Display colors
        • 16M
        • 16M
        Screen area
        • 97.8 cm2
        • 60.9 cm2
        Screen format
        • 19:9 (height:width)
        • 16:9 (height:width)
        Screen to body ratio
        • 82.1%
        • 65.6%
        PPI /points per inch/
        • 269 PPI
        • 312 PPI
        Camera and Video
        Camera and Video
        SpecificationAlphaR819
        Rear camera, main
        • 13 MP
        • Dual
        • 8 MP
        • Single
        Camera specs
        • 13 MP
        • f/2.0
        • AF -2 MP
        • f/2.4
        • depth sensor
        • 8 MP
        • AF
        Functions
        • LED flash
        • HDR
        • LED flash
        • panorama
        • HDR
        Video
        • 1080p@30fps
        • 1080p@30fps
        Front camera, selfie
        • 8 MP
        • Single
        • 1.9 MP
        • Single
        Specifications
        • 8 MP
        • f/2.0
        • 1.9 MP
        Performance
        Performance
        SpecificationAlphaR819
        Processor CPU
        • Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
        • Quad-core 1.2 GHz Cortex-A7
        Graphics processor GPU
        • IMG8322
        • PowerVR SGX544
        Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 13238
        General specs
        General specs
        SpecificationAlphaR819
        Release date
        • 2019
        • August
        • 2013
        • August
        Colors
        • Black
        • Green
        • White
        Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
        • 150 EUR
        • 250 EUR
        Communication and Connectivity
        Communication and Connectivity
        SpecificationAlphaR819
        SIM card
        • Hybrid Dual SIM (Nano-SIM
        • dual stand-by)
        • Dual SIM (Micro-SIM
        • dual stand-by)
        Network
        • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
        • 3(1800)
        • 5(850)
        • 7(2600)
        • 8(900)
        • 20(800)
        • 38(2600)
        • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
        Speed
        • HSPA 42.2/5.76 Mbps
        • LTE Cat4 150/50 Mbps
        • HSPA
        GPRS
        • Yes
        • Yes
        Edge
        • Yes
        • Yes
        Wi-Fi
        • Wi-Fi 802.11 b/g/n
        • Wi-Fi Direct
        • hotspot
        • Wi-Fi 802.11 b/g/n
        • Wi-Fi Direct
        • DLNA
        • hotspot
        GPS
        • Yes
        • with A-GPS
        • GLONASS
        • Yes
        • with A-GPS
        USB
        • microUSB 2.0
        • USB On-The-Go
        • microUSB 2.0
        Bluetooth
        • 4.2
        • A2DP
        • LE
        • 3.0
        Music and Audio
        Music and Audio
        SpecificationAlphaR819
        Radio
        • FM radio
        • Stereo FM radio
        • RDS
        Others
        • Active noise cancellation with dedicated mic
        • Active noise cancellation with dedicated mic
        Other features
        Other features
        SpecificationAlphaR819
        Dop
        • Sensors Fingerprint (rear-mounted)
        • accelerometer
        • gyro
        • proximity
        • compass
        • Sensors Accelerometer
        • gyro
        • proximity

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