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  2. Celkon A407 vs O2 XDA Comet

Celkon A407 vs O2 XDA Comet

Compare recorded specifications, size and practical differences.

Celkon A407

Celkon A407

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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.

      • WeightA407: 40 g lighterA407: 105 g · XDA Comet: 145 g
      • WidthXDA Comet: 7.2 mm narrowerXDA Comet: 58 mm · A407: 65.2 mm
      • Screen diagonalXDA Comet: 1.3 in smaller diagonalXDA Comet: 2.7 in · A407: 4 in
      • DepthA407: 9.8 mm thinnerA407: 9.2 mm · XDA Comet: 19 mm
      • HeightXDA Comet: 18.8 mm shorterXDA Comet: 106 mm · A407: 124.8 mm
      • Release year2015 / 2007A407: 2015 · XDA Comet: 2007

      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
      A407: 124.8 × 65.2 mm 1 XDA Comet: 106 × 58 mm 2
      Side
      A407: 124.8 × 9.2 mm 1 XDA Comet: 106 × 19 mm 2
      1. 1. A407
        Height
        124.8 mm+18.8 mm versus XDA Comet
        Width
        65.2 mm+7.2 mm versus XDA Comet
        Depth
        9.2 mm
        Weight
        105 g
      2. 2. XDA Comet
        Height
        106 mm
        Width
        58 mm
        Depth
        19 mm+9.8 mm versus A407
        Weight
        145 g
      Weight

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

      1. 1. A407105 g
      2. 2. XDA Comet145 g

        +40 g versus A407

      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
      A407: 4 in, 5:3, About 45.5 cm² rectangular area 1 XDA Comet: 2.7 in, 4:3, About 22.6 cm² rectangular area 2
      1. 1. A407 4 in · 5:3 About 45.5 cm² rectangular area
      2. 2. XDA Comet 2.7 in · 4:3 About 22.6 cm² rectangular area

      A407 has approximately 101.7% more rectangular screen area than XDA Comet.

      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.

      A407: Original memory entry

      512 MB · 256 MB RAM

      XDA Comet: Original memory entry

      64 MB RAM · 1 GB 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. A407

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

      2. XDA Comet

      NFC
      Unknown
      Headphone jack
      No
      Memory card support
      See details miniSD

      Battery capacity

      Capacity is not battery life. No endurance test is implied.

      At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

      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. A4072. XDA Comet

      Everyday essentials
      Everyday essentials
      SpecificationA407XDA Comet
      Dimensions (HxWxD)
      • 124.8 Х 65.2 Х 9.2 mm
      • 106 Х 58 Х 19 mm
      Weight
      • 105 g
      • 145 g
      Technology Unknown
      • TFT
      Screen size
      • 4" inch
      • 2.7" inch
      Screen resolution
      • 480 x 800 px
      • 240 x 320 px
      Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
      • 512 MB
      • 256 MB RAM
      • 64 MB RAM
      • 1 GB ROM
      Memory card support
      • microSD
      • up to 32 GB
      • miniSD
      BatteryCapacity is not battery life. No endurance test is implied.
      • 1400 mAh
      • Li-Ion
      • 0 mAh,
      Operating system OS
      • Android 4.2.2 (Jelly Bean)
      • Microsoft Windows Mobile 6.0 Professional
      Chipset
      • RDA 8810P
      		 Unknown
      Headphone jack
      • Yes
      • No
      Display
      Display
      SpecificationA407XDA Comet
      Touchscreen
      • capacitive touchscreen
      • resistive touchscreen
      Display colors Unknown
      • 65K
      Screen area
      • 45.5 cm2
      • 22.6 cm2
      Screen format
      • 5:3 (height:width)
      • 4:3 (height:width)
      Screen to body ratio
      • 56.0%
      • 36.7%
      PPI /points per inch/
      • 233 PPI
      • 148 PPI
      Camera and Video
      Camera and Video
      SpecificationA407XDA Comet
      Rear camera, main
      • 2 MP
      • Single
      • 2 MP
      • Single
      Camera specs
      • 2 MP
      • 2 MP
      Functions
      • LED flash
      • LED flash
      Video
      • Yes
      • Yes
      Front camera, selfie
      • 1.3 MP
      • Single
      • 0.3 MP
      • Single
      Specifications
      • 1.3 MP
      • VGA videocall camera
      Performance
      Performance
      SpecificationA407XDA Comet
      Processor CPU
      • 1.0 GHz
      • Intel XScale PXA 270 620 MHz
      Graphics processor GPU
      • Mali-400
      		 Unknown
      General specs
      General specs
      SpecificationA407XDA Comet
      Release date
      • 2015
      • May
      • 2007
      • September
      Colors
      • Silver
      • White
      • Light Blue
      • Dark Blue
      • Gold
      • Silver
      Battery life Unknown
      • Stand by time- Up to 200 h Talking time- Up to 6 h
      Communication and Connectivity
      Communication and Connectivity
      SpecificationA407XDA Comet
      SIM card
      • Dual SIM
      • Mini-SIM
      Network
      • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
      • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
      Speed
      • HSPA
      • HSPA
      GPRS
      • Yes
      • Class 10
      Edge
      • Yes
      • Yes
      Wi-Fi
      • Wi-Fi 802.11 b/g/n
      • Wi-Fi 802.11b/g
      GPS
      • Yes
      • No
      USB
      • microUSB
      • miniUSB
      Bluetooth
      • 2.0
      • 1.2
      Harmful irradiation
      • SAR EU - 0.80 W/kg (head) 0.88 W/kg (body)
      		 Unknown
      Music and Audio
      Music and Audio
      SpecificationA407XDA Comet
      Radio
      • FM radio
      • Stereo FM radio
      • RDS
      Others Unknown
      • Handwriting recognition
      Other features
      Other features
      SpecificationA407XDA Comet
      Dop
      • Sensors Accelerometer
      • Infrared port - Pocket Office -Voice memo -MP3/AAC player

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