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  2. O2 XDA Atom vs Oppo A3s

O2 XDA Atom vs Oppo A3s

Compare recorded specifications, size and practical differences.

O2 XDA Atom

O2 XDA Atom

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    Oppo A3s

    Oppo A3s

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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.

        • WeightXDA Atom: 28 g lighterXDA Atom: 140 g · A3s: 168 g
        • WidthXDA Atom: 17.6 mm narrowerXDA Atom: 58 mm · A3s: 75.6 mm
        • Screen diagonalXDA Atom: 3.5 in smaller diagonalXDA Atom: 2.7 in · A3s: 6.2 in
        • Rear camera layoutSingle / DualXDA Atom: Single · A3s: Dual
        • DepthA3s: 10.3 mm thinnerA3s: 8.2 mm · XDA Atom: 18.5 mm
        • HeightXDA Atom: 54.2 mm shorterXDA Atom: 102 mm · A3s: 156.2 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
        XDA Atom: 102 × 58 mm 1 A3s: 156.2 × 75.6 mm 2
        Side
        XDA Atom: 102 × 18.5 mm 1 A3s: 156.2 × 8.2 mm 2
        1. 1. XDA Atom
          Height
          102 mm
          Width
          58 mm
          Depth
          18.5 mm+10.3 mm versus A3s
          Weight
          140 g
        2. 2. A3s
          Height
          156.2 mm+54.2 mm versus XDA Atom
          Width
          75.6 mm+17.6 mm versus XDA Atom
          Depth
          8.2 mm
          Weight
          168 g
        Weight

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

        1. 1. XDA Atom140 g
        2. 2. A3s168 g

          +28 g versus XDA Atom

        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
        XDA Atom: 2.7 in, 4:3, About 22.6 cm² rectangular area 1 A3s: 6.2 in, 19:9, About 95.9 cm² rectangular area 2
        1. 1. XDA Atom 2.7 in · 4:3 About 22.6 cm² rectangular area
        2. 2. A3s 6.2 in · 19:9 About 95.9 cm² rectangular area

        A3s has approximately 325% more rectangular screen area than XDA Atom.

        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
        StorageXDA AtomA3s
        16 GB Unknown 2 GB RAM
        XDA Atom: Original memory entry

        64 MB RAM · 128 MB ROM

        Practical features

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

        1. XDA Atom

        NFC
        Unknown
        Headphone jack
        No
        Memory card support
        See details miniSD

        2. A3s

        NFC
        Unknown
        Headphone jack
        Yes
        Memory card support
        See details microSD · up to 256 GB (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. XDA Atom1530 mAh
        2. 2. A3s4230 mAh

          +2700 mAh versus XDA Atom

        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. XDA Atom2. A3s

        Everyday essentials
        Everyday essentials
        SpecificationXDA AtomA3s
        Dimensions (HxWxD)
        • 102 Х 58 Х 18.5 mm
        • 156.2 Х 75.6 Х 8.2 mm
        Weight
        • 140 g
        • 168 g
        Technology
        • TFT
        • IPS LCD
        Screen size
        • 2.7" inch
        • 6.2" inch
        Screen resolution
        • 240 x 320 px
        • 720 x 1520 px
        Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
        • 64 MB RAM
        • 128 MB ROM
        • 16 GB
        • 2 GB RAM
        Memory card support
        • miniSD
        • microSD
        • up to 256 GB (dedicated slot)
        BatteryCapacity is not battery life. No endurance test is implied.
        • 1530 mAh
        • Removable Li-Po
        • 4230 mAh
        • Non-removable Li-Ion
        Operating system OS
        • Microsoft Windows Mobile 5.0 PocketPC
        • Android 8.1 (Oreo); ColorOS 5.1
        Chipset Unknown
        • Qualcomm SDM450 Snapdragon 450 (14 nm)
        Headphone jack
        • No
        • Yes
        Display
        Display
        SpecificationXDA AtomA3s
        Touchscreen
        • resistive touchscreen
        • capacitive touchscreen
        Display colors Unknown
        • 16M
        Screen area
        • 22.6 cm2
        • 95.9 cm2
        Screen format
        • 4:3 (height:width)
        • 19:9 (height:width)
        Screen to body ratio
        • 38.2%
        • 81.2%
        PPI /points per inch/
        • 148 PPI
        • 271 PPI
        Camera and Video
        Camera and Video
        SpecificationXDA AtomA3s
        Rear camera, main
        • 2 MP
        • Single
        • 13 MP
        • Dual
        Camera specs
        • 2 MP
        • 13 MP
        • f/2.2
        • AF -2 MP
        • f/2.4
        • depth sensor
        Functions
        • LED flash
        • LED flash
        • HDR
        • panorama
        Video
        • Yes
        • 1080p@30fps
        Front camera, selfie
        • 0 MP,
        • 8 MP
        • Single
        Specifications Unknown
        • 8 MP
        • f/2.2
        Performance
        Performance
        SpecificationXDA AtomA3s
        Processor CPU
        • Intel PXA272 416 MHz
        • Octa-core 1.8 GHz Cortex-A53
        Graphics processor GPU Unknown
        • Adreno 506
        Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 64122
        General specs
        General specs
        SpecificationXDA AtomA3s
        Release date
        • 2005
        • November
        • 2018
        • July
        Colors
        • Silver
        • Red
        • Dark Purple
        Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
        • 260 EUR
        • 11000 INR
        Battery life
        • Stand by time- Up to 150 h Talking time- Up to 5 h 30 min
        		 Unknown
        Communication and Connectivity
        Communication and Connectivity
        SpecificationXDA AtomA3s
        SIM card
        • Mini-SIM
        • Dual SIM (Nano-SIM
        • dual stand-by)
        Network Unknown
        • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE
        Speed Unknown
        • HSPA 42.2/5.76 Mbps
        • LTE-A (2CA) Cat6 300/50 Mbps
        GPRS
        • Class 10
        • Yes
        Edge
        • Class 10
        • Yes
        Wi-Fi
        • Wi-Fi 802.11b
        • Wi-Fi 802.11 b/g/n
        • WiFi Direct
        • hotspot
        GPS
        • No
        • Yes
        • with A-GPS
        USB
        • miniUSB
        • microUSB 2.0
        • USB On-The-Go
        Bluetooth
        • 1.2
        • 4.2
        • A2DP
        • LE
        Music and Audio
        Music and Audio
        SpecificationXDA AtomA3s
        Radio
        • FM radio
        • FM radio
        Others
        • Handwriting recognition
        • Active noise cancellation with dedicated mic
        Other features
        Other features
        SpecificationXDA AtomA3s
        Dop
        • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Produced by Quanta Computer. Functionally identical to HP iPAQ rw6815
        • Sensors Accelerometer
        • proximity
        • compass - For India

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