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  2. Celkon A40 vs ZTE Open

Celkon A40 vs ZTE Open

Compare recorded specifications, size and practical differences.

Celkon A40

Celkon A40

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    ZTE Open

    ZTE Open

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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.

        • WidthOpen: 2 mm narrowerOpen: 62 mm · A40: 64 mm
        • Screen diagonalOpen: 0.5 in smaller diagonalOpen: 3.5 in · A40: 4 in
        • DepthA40: 1.7 mm thinnerA40: 10.8 mm · Open: 12.5 mm
        • HeightOpen: 12.2 mm shorterOpen: 114 mm · A40: 126.2 mm
        • Release year2014 / 2013A40: 2014 · Open: 2013

        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
        A40: 126.2 × 64 mm 1 Open: 114 × 62 mm 2
        Side
        A40: 126.2 × 10.8 mm 1 Open: 114 × 12.5 mm 2
        1. 1. A40
          Height
          126.2 mm
          Width
          64 mm
          Depth
          10.8 mm
          Weight
          126.5 g
        2. 2. Open
          Height
          114 mm
          Width
          62 mm
          Depth
          12.5 mm
          Weight
          Unknown

        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
        SpecificationA40Open
        Dimensions (HxWxD)
        • 126.2 Х 64 Х 10.8 mm
        • 114 Х 62 Х 12.5 mm
        Weight
        • 126.5 g
        • 0 g
        Technology
        • TFT
        • TFT
        Screen size
        • 4" inch
        • 3.5" inch
        Screen resolution
        • 480 x 800 px
        • 320 x 480 px
        Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
        • 4 GB
        • 512 MB RAM
        • 512 MB ROM
        • 256 MB RAM
        Memory card support
        • microSD
        • up to 32 GB (dedicated slot)
        • microSD
        • up to 32 GB (dedicated slot)
        • 2 GB included
        BatteryCapacity is not battery life. No endurance test is implied.
        • 1500 mAh
        • Li-Ion
        • 1200 mAh
        • Removable Li-Ion
        Operating system OS
        • Android 4.2.2 (Jelly Bean)
        • Firefox OS 1.0
        Chipset Unknown
        • Qualcomm MSM7225A Snapdragon S1
        Headphone jack
        • Yes
        • Yes
        Display
        Display
        SpecificationA40Open
        Touchscreen
        • touchscreen
        • capacitive touchscreen
        Screen area
        • 45.5 cm2
        • 36.5 cm2
        Screen format
        • 5:3 (height:width)
        • 3:2 (height:width)
        Screen to body ratio
        • 56.4%
        • 51.6%
        PPI /points per inch/
        • 233 PPI
        • 165 PPI
        Camera and Video
        Camera and Video
        SpecificationA40Open
        Rear camera, main
        • 5 MP
        • Single
        • 3.15 MP
        • Single
        Camera specs
        • 5 MP
        • 3.15 MP
        Video
        • Yes
        • Yes
        Front camera, selfie
        • 0.3 MP
        • Single
        • 0 MP,
        Specifications
        • VGA
        		 Unknown
        Performance
        Performance
        SpecificationA40Open
        Processor CPU
        • Dual-core 1.3 GHz
        • 1.0 GHz Cortex-A5
        Graphics processor GPU Unknown
        • Adreno 200
        Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 1456
        General specs
        General specs
        SpecificationA40Open
        Release date
        • 2014
        • January
        • 2013
        • February
        Colors
        • White
        • Yellow
        • Blue
        • Blue
        • Orange
        Communication and Connectivity
        Communication and Connectivity
        SpecificationA40Open
        SIM card
        • Dual SIM
        • Mini-SIM
        Network Unknown
        • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
        Speed Unknown
        • HSPA 7.2/5.76 Mbps
        GPRS
        • Yes
        • Yes
        Edge
        • Yes
        • Yes
        Wi-Fi
        • Wi-Fi 802.11 b/g/n
        • hotspot
        • Wi-Fi 802.11 b/g/n
        GPS
        • Yes
        • Yes
        • with A-GPS
        USB
        • microUSB 2.0
        • microUSB 2.0
        Bluetooth
        • 2.0
        • 2.1
        • A2DP
        • EDR
        Music and Audio
        Music and Audio
        SpecificationA40Open
        Radio
        • FM radio
        • Stereo FM radio
        Other features
        Other features
        SpecificationA40Open
        Dop
        • Sensors Accelerometer
        • proximity
        • Sensors Accelerometer
        • proximity - MP3/eAAC+/WAV/WMA player -MP4/H.264/WMV player -Document viewer -Photo viewer -Organizer -Voice memo/dial -Predictive text input