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  2. O2 XDA Comet vs ZTE Open

O2 XDA Comet vs ZTE Open

Compare recorded specifications, size and practical differences.

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.

      • WidthXDA Comet: 4 mm narrowerXDA Comet: 58 mm · Open: 62 mm
      • Screen diagonalXDA Comet: 0.8 in smaller diagonalXDA Comet: 2.7 in · Open: 3.5 in
      • DepthOpen: 6.5 mm thinnerOpen: 12.5 mm · XDA Comet: 19 mm
      • HeightXDA Comet: 8 mm shorterXDA Comet: 106 mm · Open: 114 mm
      • Release year2007 / 2013XDA Comet: 2007 · 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
      XDA Comet: 106 × 58 mm 1 Open: 114 × 62 mm 2
      Side
      XDA Comet: 106 × 19 mm 1 Open: 114 × 12.5 mm 2
      1. 1. XDA Comet
        Height
        106 mm
        Width
        58 mm
        Depth
        19 mm
        Weight
        145 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
      SpecificationXDA CometOpen
      Dimensions (HxWxD)
      • 106 Х 58 Х 19 mm
      • 114 Х 62 Х 12.5 mm
      Weight
      • 145 g
      • 0 g
      Technology
      • TFT
      • TFT
      Screen size
      • 2.7" inch
      • 3.5" inch
      Screen resolution
      • 240 x 320 px
      • 320 x 480 px
      Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
      • 64 MB RAM
      • 1 GB ROM
      • 512 MB ROM
      • 256 MB RAM
      Memory card support
      • miniSD
      • microSD
      • up to 32 GB (dedicated slot)
      • 2 GB included
      BatteryCapacity is not battery life. No endurance test is implied.
      • 0 mAh,
      • 1200 mAh
      • Removable Li-Ion
      Operating system OS
      • Microsoft Windows Mobile 6.0 Professional
      • Firefox OS 1.0
      Chipset Unknown
      • Qualcomm MSM7225A Snapdragon S1
      Headphone jack
      • No
      • Yes
      Display
      Display
      SpecificationXDA CometOpen
      Touchscreen
      • resistive touchscreen
      • capacitive touchscreen
      Display colors
      • 65K
      		 Unknown
      Screen area
      • 22.6 cm2
      • 36.5 cm2
      Screen format
      • 4:3 (height:width)
      • 3:2 (height:width)
      Screen to body ratio
      • 36.7%
      • 51.6%
      PPI /points per inch/
      • 148 PPI
      • 165 PPI
      Camera and Video
      Camera and Video
      SpecificationXDA CometOpen
      Rear camera, main
      • 2 MP
      • Single
      • 3.15 MP
      • Single
      Camera specs
      • 2 MP
      • 3.15 MP
      Functions
      • LED flash
      		 Unknown
      Video
      • Yes
      • Yes
      Front camera, selfie
      • 0.3 MP
      • Single
      • 0 MP,
      Specifications
      • VGA videocall camera
      		 Unknown
      Performance
      Performance
      SpecificationXDA CometOpen
      Processor CPU
      • Intel XScale PXA 270 620 MHz
      • 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
      SpecificationXDA CometOpen
      Release date
      • 2007
      • September
      • 2013
      • February
      Colors
      • Silver
      • Blue
      • Orange
      Battery life
      • Stand by time- Up to 200 h Talking time- Up to 6 h
      		 Unknown
      Communication and Connectivity
      Communication and Connectivity
      SpecificationXDA CometOpen
      SIM card
      • Mini-SIM
      • Mini-SIM
      Network
      • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
      • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
      Speed
      • HSPA
      • HSPA 7.2/5.76 Mbps
      GPRS
      • Class 10
      • Yes
      Edge
      • Yes
      • Yes
      Wi-Fi
      • Wi-Fi 802.11b/g
      • Wi-Fi 802.11 b/g/n
      GPS
      • No
      • Yes
      • with A-GPS
      USB
      • miniUSB
      • microUSB 2.0
      Bluetooth
      • 1.2
      • 2.1
      • A2DP
      • EDR
      Music and Audio
      Music and Audio
      SpecificationXDA CometOpen
      Radio
      • Stereo FM radio
      • RDS
      • Stereo FM radio
      Others
      • Handwriting recognition
      		 Unknown
      Other features
      Other features
      SpecificationXDA CometOpen
      Dop
      • Infrared port - Pocket Office -Voice memo -MP3/AAC player
      • Sensors Accelerometer
      • proximity - MP3/eAAC+/WAV/WMA player -MP4/H.264/WMV player -Document viewer -Photo viewer -Organizer -Voice memo/dial -Predictive text input

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