O2 XDA Atom Exec vs Posh Icon HD X551

Compare recorded specifications, size and practical differences.

+ Add a third phone

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: 25 g lighter

    XDA Atom Exec:
    140 g
    Icon HD X551:
    115 g
  • Width

    XDA Atom Exec: 21 mm narrower

    XDA Atom Exec:
    58 mm
    Icon HD X551:
    79 mm
  • Screen diagonal

    XDA Atom Exec: 2.8 in smaller diagonal

    XDA Atom Exec:
    2.7 in
    Icon HD X551:
    5.5 in
  • Depth

    Icon HD X551: 10.3 mm thinner

    XDA Atom Exec:
    18.5 mm
    Icon HD X551:
    8.2 mm
  • Height

    XDA Atom Exec: 51.2 mm shorter

    XDA Atom Exec:
    102 mm
    Icon HD X551:
    153.2 mm
  • Release year

    XDA Atom Exec:
    2006
    Icon HD X551:
    2015

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. XDA Atom Exec

    Height:
    102 mm
    Width:
    58 mm
    Depth:
    18.5 mm +10.3 mm versus Icon HD X551
  2. 2. Icon HD X551

    Height:
    153.2 mm +51.2 mm versus XDA Atom Exec
    Width:
    79 mm +21 mm versus XDA Atom Exec
    Depth:
    8.2 mm

Weight

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

  1. 1. XDA Atom Exec

    140 g

    +25 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. XDA Atom Exec

    Screen diagonal:
    2.7 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    22.6 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 269.4% more rectangular screen area than XDA Atom Exec.

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 XDA Atom Exec, Icon HD X551, compared at the same storage capacity.
StorageXDA Atom ExecIcon HD X551
16 GB Unknown 1 GB RAM
XDA Atom Exec: Original memory entry

64 MB RAM · 192 MB 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. XDA Atom Exec

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

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. XDA Atom Exec

    1530 mAh

  2. 2. Icon HD X551

    2100 mAh

    +570 mAh versus XDA Atom Exec

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. XDA Atom Exec2. Icon HD X551

Everyday essentials
Everyday essentials — specifications for XDA Atom Exec, Icon HD X551.
SpecificationXDA Atom ExecIcon HD X551
Dimensions (HxWxD)
  • 102 Х 58 Х 18.5 mm
  • 153.2 Х 79 Х 8.2 mm
Weight
  • 140 g
  • 115 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.7" inch
  • 5.5" inch
Screen resolution
  • 240 x 320 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 192 MB ROM
  • 16 GB
  • 1 GB RAM
Memory card support
  • miniSD
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Po
  • 2100 mAh
  • Removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 5.1 (Lollipop)
Chipset Unknown
  • Mediatek MT6580A (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Atom Exec, Icon HD X551.
SpecificationXDA Atom ExecIcon HD X551
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 22.6 cm2
  • 83.4 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 38.2%
  • 68.9%
PPI /points per inch/
  • 148 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for XDA Atom Exec, Icon HD X551.
SpecificationXDA Atom ExecIcon HD X551
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 2 MP
  • Single
Specifications Unknown
  • 2 MP
Performance
Performance — specifications for XDA Atom Exec, Icon HD X551.
SpecificationXDA Atom ExecIcon HD X551
Processor CPU
  • Intel XScale PXA 27x 520MHz
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400MP2
General specs
General specs — specifications for XDA Atom Exec, Icon HD X551.
SpecificationXDA Atom ExecIcon HD X551
Release date
  • 2006
  • June
  • 2015
  • November
Colors
  • Silver
  • Dark Grey
  • White
  • Gold
  • Rose Gold
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 310 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 XDA Atom Exec, Icon HD X551.
SpecificationXDA Atom ExecIcon HD X551
SIM card
  • Mini-SIM
  • Dual SIM (Micro-SIM/ Mini-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed Unknown
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • 1.2
  • 4.0
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for XDA Atom Exec, Icon HD X551.
SpecificationXDA Atom ExecIcon HD X551
Radio
  • FM radio
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for XDA Atom Exec, Icon HD X551.
SpecificationXDA Atom ExecIcon HD X551
Dop
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player
  • Sensors Accelerometer
  • proximity
  • compass