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  2. Acer DX900 vs Oppo A31

Acer DX900 vs Oppo A31

Compare recorded specifications, size and practical differences.

Acer DX900

Acer DX900

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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.

        • WeightDX900: 33 g lighterDX900: 147 g · A31: 180 g
        • WidthDX900: 15 mm narrowerDX900: 60.5 mm · A31: 75.5 mm
        • Screen diagonalDX900: 3.7 in smaller diagonalDX900: 2.8 in · A31: 6.5 in
        • Rear camera layoutSingle / TripleDX900: Single · A31: Triple
        • DepthA31: 8.7 mm thinnerA31: 8.3 mm · DX900: 17 mm
        • HeightDX900: 57.9 mm shorterDX900: 106 mm · A31: 163.9 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
        DX900: 106 × 60.5 mm 1 A31: 163.9 × 75.5 mm 2
        Side
        DX900: 106 × 17 mm 1 A31: 163.9 × 8.3 mm 2
        1. 1. DX900
          Height
          106 mm
          Width
          60.5 mm
          Depth
          17 mm
          Weight
          147 g
        2. 2. A31
          Height
          163.9 mm
          Width
          75.5 mm
          Depth
          8.3 mm
          Weight
          180 g

        Specifications

        Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

        Everyday essentials
        Everyday essentials
        SpecificationDX900A31
        Dimensions (HxWxD)
        • 106 Х 60.5 Х 17 mm
        • 163.9 Х 75.5 Х 8.3 mm
        Weight
        • 147 g
        • 180 g
        Technology
        • TFT
        • IPS LCD
        Screen size
        • 2.8" inch
        • 6.5" inch
        Screen resolution
        • 480 x 640 px
        • 720 x 1600 px
        Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
        • 128 MB RAM
        • 256 MB ROM
        • 128GB 4GB RAM
        Memory card support
        • microSD (dedicated slot)
        • microSDXC (dedicated slot)
        BatteryCapacity is not battery life. No endurance test is implied.
        • 1530 mAh
        • Removable Li-Po
        • 4230 mAh
        • Non-removable Li-Po
        Operating system OS
        • Microsoft Windows Mobile 6.1 Professional
        • Android 9.0 (Pie); ColorOS 6.1
        Chipset Unknown
        • Mediatek MT6765V/CB Helio P35 (12nm)
        NFC
        • Super AMOLED
        		 Unknown
        Headphone jack
        • panorama
        • Yes
        Display
        Display
        SpecificationDX900A31
        Touchscreen
        • resistive touchscreen
        • capacitive touchscreen
        Display colors
        • 65K
        • 16M
        Screen area
        • 24.3 cm2
        • 102.0 cm2
        Screen format
        • 4:3 (height:width)
        • 20:9 (height:width)
        Screen to body ratio
        • 37.9%
        • 82.4%
        PPI /points per inch/
        • 286 PPI
        • 270 PPI
        Camera and Video
        Camera and Video
        SpecificationDX900A31
        Rear camera, main
        • 3.15 MP
        • Single
        • 12 MP
        • Triple
        Camera specs
        • 3.15 MP
        • AF
        • 12 MP
        • f/1.8
        • (wide)
        • PDAF -2 MP
        • f/2.4
        • 27mm (macro)
        • 1/5.0''
        • 1.75µm -2 MP
        • (depth)
        Functions
        • Dual-LED flash
        • HDR
        Video
        • Yes
        • 1080p@30fps
        Front camera, selfie
        • 0.3 MP
        • Single
        • 8 MP
        • Single
        Specifications
        • VGA videocall camera
        • 8 MP
        • f/2.0
        Performance
        Performance
        SpecificationDX900A31
        Processor CPU
        • 533 MHz Samsung S3C 6410
        • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
        Graphics processor GPU Unknown
        • PowerVR GE8320
        Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 105221
        General specs
        General specs
        SpecificationDX900A31
        Release date
        • 2009
        • February
        • 2020
        • February 13
        Colors
        • Black
        • Fantasy White
        • Mystery Black
        Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
        • 90 EUR
        • 180 EUR
        Battery life
        • Stand by time- Up to 150 h Talking time- Up to10 h
        		 Unknown
        Body build Unknown
        • Glass front
        • plastic back
        • plastic frame
        Communication and Connectivity
        Communication and Connectivity
        SpecificationDX900A31
        SIM card
        • Dual SIM (Mini-SIM)
        • Dual SIM (Nano-SIM
        • dual stand-by)
        Network
        • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 GSM 900 / 1800 / 1900 - SIM 2
        • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
        Speed
        • HSPA 7.2/0.384 Mbps
        • HSPA 42.2/5.76 Mbps
        • LTE-A
        GPRS
        • Class 10
        • Yes
        Edge
        • Class 10
        • Yes
        Wi-Fi
        • Wi-Fi 802.11 b/g/n
        • Wi-Fi 802.11 a/b/g/n/ac
        • dual-band
        • Wi-Fi Direct
        • hotspot
        GPS
        • Yes
        • SiRF Star III chipset
        • Yes
        • with A-GPS
        • BDS
        USB
        • miniUSB
        • microUSB 2.0
        • USB On-The-Go
        Bluetooth
        • microUSB 2.0
        • A2DP
        • 5.0
        • A2DP
        • LE
        Music and Audio
        Music and Audio
        SpecificationDX900A31
        Radio
        • panorama
        • FM radio
        Others
        • Handwriting recognition
        • 480 nits typ. brightness
        Other features
        Other features
        SpecificationDX900A31
        Dop
        • Sensors Accelerometer Pocket Office -Voice memo -MP3 player Also known as Acer Tempo DX900
        • Acer Tempo X960
        • Sensors Fingerprint (rear-mounted)
        • accelerometer
        • proximity
        • compass

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