O2 XDA Atom Exec vs Samsung Galaxy 551

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

    Galaxy 551: 23 g lighter

    XDA Atom Exec:
    140 g
    Galaxy 551:
    117 g
  • Width

    Galaxy 551: 3 mm narrower

    XDA Atom Exec:
    58 mm
    Galaxy 551:
    55 mm
  • Screen diagonal

    XDA Atom Exec: 0.5 in smaller diagonal

    XDA Atom Exec:
    2.7 in
    Galaxy 551:
    3.2 in
  • Depth

    Galaxy 551: 3.3 mm thinner

    XDA Atom Exec:
    18.5 mm
    Galaxy 551:
    15.2 mm
  • Height

    XDA Atom Exec: 9 mm shorter

    XDA Atom Exec:
    102 mm
    Galaxy 551:
    111 mm
  • Release year

    XDA Atom Exec:
    2006
    Galaxy 551:
    2010

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 +3 mm versus Galaxy 551
    Depth:
    18.5 mm +3.3 mm versus Galaxy 551
  2. 2. Galaxy 551

    Height:
    111 mm +9 mm versus XDA Atom Exec
    Width:
    55 mm
    Depth:
    15.2 mm

Weight

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

  1. 1. XDA Atom Exec

    140 g

    +23 g versus Galaxy 551

  2. 2. Galaxy 551

    117 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. Galaxy 551

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    29.1 cm²

Galaxy 551 has approximately 29.1% 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

XDA Atom Exec: Original memory entry

64 MB RAM · 192 MB ROM

Galaxy 551: Original memory entry

160 MB

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. Galaxy 551

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 1 GB included

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

    +330 mAh versus Galaxy 551

  2. 2. Galaxy 551

    1200 mAh

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. Galaxy 551

Everyday essentials
Everyday essentials — specifications for XDA Atom Exec, Galaxy 551.
SpecificationXDA Atom ExecGalaxy 551
Dimensions (HxWxD)
  • 102 Х 58 Х 18.5 mm
  • 111 Х 55 Х 15.2 mm
Weight
  • 140 g
  • 117 g
Technology
  • TFT
  • TFT
Screen size
  • 2.7" inch
  • 3.2" inch
Screen resolution
  • 240 x 320 px
  • 240 x 400 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
  • 160 MB
Memory card support
  • miniSD
  • microSD
  • up to 32 GB (dedicated slot)
  • 1 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Po
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 2.2 (Froyo)
  • upgradable to 2.3.6 (Gingerbread)
Chipset Unknown
  • Qualcomm MSM7227 Snapdragon S1
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Atom Exec, Galaxy 551.
SpecificationXDA Atom ExecGalaxy 551
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 22.6 cm2
  • 29.1 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 38.2%
  • 47.7%
PPI /points per inch/
  • 148 PPI
  • 146 PPI
Camera and Video
Camera and Video — specifications for XDA Atom Exec, Galaxy 551.
SpecificationXDA Atom ExecGalaxy 551
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • Yes
  • 320p@15fps
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for XDA Atom Exec, Galaxy 551.
SpecificationXDA Atom ExecGalaxy 551
Processor CPU
  • Intel XScale PXA 27x 520MHz
  • 600 MHz
Graphics processor GPU Unknown
  • Adreno 200
General specs
General specs — specifications for XDA Atom Exec, Galaxy 551.
SpecificationXDA Atom ExecGalaxy 551
Release date
  • 2006
  • June
  • 2010
  • October
Colors
  • Silver
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 310 EUR
  • 90 EUR
Battery life Unknown
  • Stand by time- Up to 520 h (2G) / Up to 370 h (3G) Talking time- Up to 9 h (2G) / Up to 5 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for XDA Atom Exec, Galaxy 551.
SpecificationXDA Atom ExecGalaxy 551
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA 7.2/0.384 Mbps
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • Class 12
Wi-Fi
  • Wi-Fi 802.11b
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • 1.2
  • 2.1
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.18 W/kg (head) 0.90 W/kg (body) SAR EU - 0.38 W/kg (head)
Music and Audio
Music and Audio — specifications for XDA Atom Exec, Galaxy 551.
SpecificationXDA Atom ExecGalaxy 551
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for XDA Atom Exec, Galaxy 551.
SpecificationXDA Atom ExecGalaxy 551
Dop
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player
  • Sensors Accelerometer
  • proximity
  • compass - MP4/WMV/H.263 player -MP3/WAV/eAAC+ player -Document viewer - Also known as Samsung I5510
  • Samsung Callisto