LG Optimus Chat C550 vs Nokia E71

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: 5 g lighter

    Optimus Chat C550:
    122 g
    E71:
    127 g
  • Width

    E71: 2 mm narrower

    Optimus Chat C550:
    59 mm
    E71:
    57 mm
  • Screen diagonal

    E71: 0.44 in smaller diagonal

    Optimus Chat C550:
    2.8 in
    E71:
    2.36 in
  • Depth

    E71: 6 mm thinner

    Optimus Chat C550:
    16 mm
    E71:
    10 mm
  • Height

    Optimus Chat C550: 5 mm shorter

    Optimus Chat C550:
    109 mm
    E71:
    114 mm
  • Release year

    Optimus Chat C550:
    2011
    E71:
    2008

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
    Width:
    59 mm +2 mm versus E71
    Depth:
    16 mm +6 mm versus E71
  2. 2. E71

    Height:
    114 mm +5 mm versus Optimus Chat C550
    Width:
    57 mm
    Depth:
    10 mm

Weight

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

  1. 1. Optimus Chat C550

    122 g

  2. 2. E71

    127 g

    +5 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. E71

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

Optimus Chat C550 has approximately 35.4% more rectangular screen area than E71.

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

E71: Original memory entry

110 MB · 128 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. Optimus Chat C550

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

2. E71

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 8 GB (dedicated slot)

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. E71

    1500 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. Optimus Chat C5502. E71

Everyday essentials
Everyday essentials — specifications for Optimus Chat C550, E71.
SpecificationOptimus Chat C550E71
Dimensions (HxWxD)
  • 109 Х 59 Х 16 mm
  • 114 Х 57 Х 10 mm
Weight
  • 122 g
  • 127 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 2.36" inch
Screen resolution
  • 320 x 480 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 140 MB
  • 110 MB
  • 128 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 8 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Po
Operating system OS
  • Android 2.2 (Froyo)
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Headphone jack
  • Yes
  • No
Display
Display — specifications for Optimus Chat C550, E71.
SpecificationOptimus Chat C550E71
Touchscreen
  • touchscreen
Unknown
Display colors
  • 256K
  • 16M
Screen area
  • 23.3 cm2
  • 17.2 cm2
Screen format
  • 3:2 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 36.3%
  • 26.5%
PPI /points per inch/
  • 206 PPI
  • 169 PPI
Camera and Video
Camera and Video — specifications for Optimus Chat C550, E71.
SpecificationOptimus Chat C550E71
Rear camera, main
  • 3.15 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 3.15 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 320p@15fps
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • Videocall camera
Performance
Performance — specifications for Optimus Chat C550, E71.
SpecificationOptimus Chat C550E71
Processor CPU Unknown
  • 369 MHz ARM 11
General specs
General specs — specifications for Optimus Chat C550, E71.
SpecificationOptimus Chat C550E71
Release date
  • 2011
  • February
  • 2008
  • June
Colors
  • Black
  • Silver
  • Blue
  • Red
  • Pink
  • White Steel
  • Grey Steel
  • Black
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 40 EUR
  • 110 EUR
Battery life
  • Stand by time- Up to 440 h Talking time- Up to 5 h
  • Stand by time- Up to 410 h (2G) / 480 h (3G) Talking time- Up to 10 h 30 min (2G) / 4 h 30 min (3G) Music play - Up to 18 h
Communication and Connectivity
Communication and Connectivity — specifications for Optimus Chat C550, E71.
SpecificationOptimus Chat C550E71
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 32
  • 100 kbps
Edge
  • Yes
  • Class 32
  • 296 kbps
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS; Nokia Maps
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • EDR
  • 2.0
  • A2DP
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)
  • SAR - 1.09 W/kg (head) 0.48 W/kg (body) SAR EU - 1.27 W/kg (head)
Music and Audio
Music and Audio — specifications for Optimus Chat C550, E71.
SpecificationOptimus Chat C550E71
Radio
  • FM radio
  • FM radio (E71 only)
Others Unknown
  • Five-way scroll key
  • 2.5 mm audio jack
Other features
Other features — specifications for Optimus Chat C550, E71.
SpecificationOptimus Chat C550E71
Dop
  • Sensors Accelerometer MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Document viewer -Organizer -Voice memo -Predictive text input
  • Infrared port - WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document editor (Word
  • Excel
  • PowerPoint
  • PDF) incl. MS Office 2007 support via free update -Push to talk -Voice command/dial -Organizer -Printing - Nokia E71x for AT&T