LG Optimus Chat C550 vs O2 XDA Atom Exec

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

    Optimus Chat C550: 18 g lighter

    Optimus Chat C550:
    122 g
    XDA Atom Exec:
    140 g
  • Width

    XDA Atom Exec: 1 mm narrower

    Optimus Chat C550:
    59 mm
    XDA Atom Exec:
    58 mm
  • Depth

    Optimus Chat C550: 2.5 mm thinner

    Optimus Chat C550:
    16 mm
    XDA Atom Exec:
    18.5 mm
  • Height

    XDA Atom Exec: 7 mm shorter

    Optimus Chat C550:
    109 mm
    XDA Atom Exec:
    102 mm
  • Release year

    Optimus Chat C550:
    2011
    XDA Atom Exec:
    2006

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. Optimus Chat C550

    Height:
    109 mm +7 mm versus XDA Atom Exec
    Width:
    59 mm +1 mm versus XDA Atom Exec
    Depth:
    16 mm
  2. 2. XDA Atom Exec

    Height:
    102 mm
    Width:
    58 mm
    Depth:
    18.5 mm +2.5 mm versus Optimus Chat C550

Weight

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

  1. 1. Optimus Chat C550

    122 g

  2. 2. XDA Atom Exec

    140 g

    +18 g versus Optimus Chat C550

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. Optimus Chat C550

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    23.3 cm²
  2. 2. XDA Atom Exec

    Screen diagonal:
    2.7 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    22.6 cm²

Optimus Chat C550 has approximately 3.4% 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.

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

Optimus Chat C550: Original memory entry

140 MB

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. Optimus Chat C550

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

2. XDA Atom Exec

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

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. Optimus Chat C550

    1500 mAh

  2. 2. XDA Atom Exec

    1530 mAh

    +30 mAh versus Optimus Chat C550

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. Optimus Chat C5502. XDA Atom Exec

Everyday essentials
Everyday essentials — specifications for Optimus Chat C550, XDA Atom Exec.
SpecificationOptimus Chat C550XDA Atom Exec
Dimensions (HxWxD)
  • 109 Х 59 Х 16 mm
  • 102 Х 58 Х 18.5 mm
Weight
  • 122 g
  • 140 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 2.7" inch
Screen resolution
  • 320 x 480 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 140 MB
  • 64 MB RAM
  • 192 MB ROM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1530 mAh
  • Removable Li-Po
Operating system OS
  • Android 2.2 (Froyo)
  • Microsoft Windows Mobile 5.0 PocketPC
Headphone jack
  • Yes
  • No
Display
Display — specifications for Optimus Chat C550, XDA Atom Exec.
SpecificationOptimus Chat C550XDA Atom Exec
Touchscreen
  • touchscreen
  • resistive touchscreen
Display colors
  • 256K
Unknown
Screen area
  • 23.3 cm2
  • 22.6 cm2
Screen format
  • 3:2 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 36.3%
  • 38.2%
PPI /points per inch/
  • 206 PPI
  • 148 PPI
Camera and Video
Camera and Video — specifications for Optimus Chat C550, XDA Atom Exec.
SpecificationOptimus Chat C550XDA Atom Exec
Rear camera, main
  • 3.15 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 2 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for Optimus Chat C550, XDA Atom Exec.
SpecificationOptimus Chat C550XDA Atom Exec
Processor CPU Unknown
  • Intel XScale PXA 27x 520MHz
General specs
General specs — specifications for Optimus Chat C550, XDA Atom Exec.
SpecificationOptimus Chat C550XDA Atom Exec
Release date
  • 2011
  • February
  • 2006
  • June
Colors
  • Black
  • Silver
  • Blue
  • Red
  • Pink
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 40 EUR
  • 310 EUR
Battery life
  • Stand by time- Up to 440 h Talking time- Up to 5 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Optimus Chat C550, XDA Atom Exec.
SpecificationOptimus Chat C550XDA Atom Exec
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA 7.2/5.76 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11b
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • miniUSB
Bluetooth
  • 2.1
  • A2DP
  • EDR
  • 1.2
Harmful irradiation
  • SAR - 0.49 W/kg (head) 0.39 W/kg (body) SAR EU - 0.71 W/kg (head) 1.24 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Optimus Chat C550, XDA Atom Exec.
SpecificationOptimus Chat C550XDA Atom Exec
Radio
  • FM radio
  • FM radio
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for Optimus Chat C550, XDA Atom Exec.
SpecificationOptimus Chat C550XDA Atom Exec
Dop
  • Sensors Accelerometer MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Document viewer -Organizer -Voice memo -Predictive text input
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player