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Apple iPhone 4 CDMA vs Posh Icon HD X551

Compare recorded specifications, size and practical differences.

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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.

    • Weight

      Icon HD X551: 22 g lighter

      iPhone 4 CDMA:
      137 g
      Icon HD X551:
      115 g

    • Width

      iPhone 4 CDMA: 20.4 mm narrower

      iPhone 4 CDMA:
      58.6 mm
      Icon HD X551:
      79 mm

    • Screen diagonal

      iPhone 4 CDMA: 2 in smaller diagonal

      iPhone 4 CDMA:
      3.5 in
      Icon HD X551:
      5.5 in

    • Chipset

      iPhone 4 CDMA:
      Apple A4 (45 nm)
      Icon HD X551:
      Mediatek MT6580A (28 nm)

    • Depth

      Icon HD X551: 1.1 mm thinner

      iPhone 4 CDMA:
      9.3 mm
      Icon HD X551:
      8.2 mm

    • Height

      iPhone 4 CDMA: 38 mm shorter

      iPhone 4 CDMA:
      115.2 mm
      Icon HD X551:
      153.2 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.

    1. 1. iPhone 4 CDMA

      Height:
      115.2 mm
      Width:
      58.6 mm
      Depth:
      9.3 mm +1.1 mm versus Icon HD X551

    2. 2. Icon HD X551

      Height:
      153.2 mm +38 mm versus iPhone 4 CDMA
      Width:
      79 mm +20.4 mm versus iPhone 4 CDMA
      Depth:
      8.2 mm

    Weight

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

    1. 1. iPhone 4 CDMA

      137 g

      +22 g versus Icon HD X551

    2. 2. Icon HD X551

      115 g

    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.

    1. 1. iPhone 4 CDMA

      Screen diagonal:
      3.5 in
      Aspect ratio (height:width):
      3:2
      Approximate rectangular screen area:
      36.5 cm²

    2. 2. Icon HD X551

      Screen diagonal:
      5.5 in
      Aspect ratio (height:width):
      16:9
      Approximate rectangular screen area:
      83.4 cm²

    Icon HD X551 has approximately 128.6% more rectangular screen area than iPhone 4 CDMA.

    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 for iPhone 4 CDMA, Icon HD X551, compared at the same storage capacity.
    StorageiPhone 4 CDMAIcon HD X551
    16 GB Unknown 1 GB RAM
    iPhone 4 CDMA: Original memory entry

    16/32 GB · 512 MB RAM

    Practical features

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

    1. iPhone 4 CDMA

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    No

    2. Icon HD X551

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

    Battery capacity

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

    Recorded battery capacity

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

    1. 1. iPhone 4 CDMA

      1420 mAh

    2. 2. Icon HD X551

      2100 mAh

      +680 mAh versus iPhone 4 CDMA

    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. iPhone 4 CDMA2. Icon HD X551

    Everyday essentials
    Everyday essentials — specifications for iPhone 4 CDMA, Icon HD X551.
    SpecificationiPhone 4 CDMAIcon HD X551
    Dimensions (HxWxD)
    • 115.2 Х 58.6 Х 9.3 mm
    • 153.2 Х 79 Х 8.2 mm
    Weight
    • 137 g
    • 115 g
    Technology
    • LED-backlit IPS LCD
    • IPS LCD
    Screen size
    • 3.5" inch
    • 5.5" inch
    Screen resolution
    • 640 x 960 px
    • 720 x 1280 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 16/32 GB
    • 512 MB RAM
    • 16 GB
    • 1 GB RAM
    Memory card support
    • No
    • microSD
    • up to 32 GB
    Battery Capacity is not battery life. No endurance test is implied.
    • 1420 mAh
    • Non-removable Li-Po
    • 2100 mAh
    • Removable Li-Po
    Operating system OS
    • iOS 4
    • upgradable to iOS 7.1.1
    • Android 5.1 (Lollipop)
    Chipset
    • Apple A4 (45 nm)
    • Mediatek MT6580A (28 nm)
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for iPhone 4 CDMA, Icon HD X551.
    SpecificationiPhone 4 CDMAIcon HD X551
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 36.5 cm2
    • 83.4 cm2
    Screen format
    • 3:2 (height:width)
    • 16:9 (height:width)
    Screen to body ratio
    • 54.0%
    • 68.9%
    PPI /points per inch/
    • 330 PPI
    • 267 PPI
    Screen protection
    • Corning Gorilla Glass
    • oleophobic coating
    		 Unknown
    Camera and Video
    Camera and Video — specifications for iPhone 4 CDMA, Icon HD X551.
    SpecificationiPhone 4 CDMAIcon HD X551
    Rear camera, main
    • 5 MP
    • Single
    • 8 MP
    • Single
    Camera specs
    • 5 MP
    • AF
    • 8 MP
    • AF
    Functions
    • LED flash
    • HDR
    • LED flash
    • HDR
    • panorama
    Video
    • 720p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 0.3 MP
    • Single
    • 2 MP
    • Single
    Specifications
    • Videocalling over Wi-Fi only
    • 2 MP
    Performance

    Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

    Performance — specifications for iPhone 4 CDMA, Icon HD X551.
    SpecificationiPhone 4 CDMAIcon HD X551
    Processor CPU
    • 1.0 GHz Cortex-A8
    • Quad-core 1.3 GHz Cortex-A7
    Graphics processor GPU
    • PowerVR SGX535
    • Mali-400MP2
    Antutu 7 score *
    • 4798
    		 Unknown
    General specs
    General specs — specifications for iPhone 4 CDMA, Icon HD X551.
    SpecificationiPhone 4 CDMAIcon HD X551
    Release date
    • 2011
    • January
    • 2015
    • November
    Colors
    • Black
    • White
    • Dark Grey
    • White
    • Gold
    • Rose Gold
    • Silver
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 150 EUR
    		 Unknown
    Battery life Unknown
    • Stand by time- Up to 700 h (2G) / Up to 250 h (3G) Talking time- Up to 22 h (2G) / Up to 12 h (3G)
    Communication and Connectivity
    Communication and Connectivity — specifications for iPhone 4 CDMA, Icon HD X551.
    SpecificationiPhone 4 CDMAIcon HD X551
    SIM card
    • Micro-SIM
    • Dual SIM (Micro-SIM/ Mini-SIM
    • dual stand-by)
    Network
    • Show all network frequencies: -2G - CDMA 800 / 1900
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
    Speed
    • EV-DO Rev.A 3.1 Mbps
    • HSPA 21.1/5.76 Mbps
    GPRS
    • No
    • Yes
    Edge
    • No
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • Wi-Fi 802.11 b/g/n
    • Wi-Fi Direct
    • DLNA
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • Yes
    • with A-GPS
    USB
    • 2.0
    • microUSB 2.0
    Bluetooth
    • 2.1
    • A2DP
    • 4.0
    • A2DP
    • EDR
    Harmful irradiation
    • SAR - 1.18 W/kg (head) 0.87 W/kg (body)
    		 Unknown
    Music and Audio
    Music and Audio — specifications for iPhone 4 CDMA, Icon HD X551.
    SpecificationiPhone 4 CDMAIcon HD X551
    Radio
    • No
    • FM radio
    Others
    • Active noise cancellation with dedicated mic
    		 Unknown
    Other features
    Other features — specifications for iPhone 4 CDMA, Icon HD X551.
    SpecificationiPhone 4 CDMAIcon HD X551
    Dop
    • Sensors Accelerometer
    • gyro
    • proximity
    • compass - iCloud cloud service -MP3/WAV player -MP4/H.264 player -Document viewer
    • Sensors Accelerometer
    • proximity
    • compass