LG Optimus Chat C550 vs QMobile E1

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.

  • Width

    Optimus Chat C550: 13 mm narrower

    Optimus Chat C550:
    59 mm
    E1:
    72 mm
  • Screen diagonal

    Optimus Chat C550: 2.2 in smaller diagonal

    Optimus Chat C550:
    2.8 in
    E1:
    5 in
  • Depth

    E1: 7.1 mm thinner

    Optimus Chat C550:
    16 mm
    E1:
    8.9 mm
  • Height

    Optimus Chat C550: 34.8 mm shorter

    Optimus Chat C550:
    109 mm
    E1:
    143.8 mm
  • Release year

    Optimus Chat C550:
    2011
    E1:
    2017

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
    Depth:
    16 mm +7.1 mm versus E1
    Weight:
    122 g
  2. 2. E1

    Height:
    143.8 mm +34.8 mm versus Optimus Chat C550
    Width:
    72 mm +13 mm versus Optimus Chat C550
    Depth:
    8.9 mm
    Weight:
    Unknown

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. E1

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

E1 has approximately 195.2% more rectangular screen area than Optimus Chat C550.

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 Optimus Chat C550, E1, compared at the same storage capacity.
StorageOptimus Chat C550E1
16 GB Unknown 3 GB RAM
Optimus Chat C550: Original memory entry

140 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. Optimus Chat C550

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

2. E1

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 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. Optimus Chat C550

    1500 mAh

  2. 2. E1

    4000 mAh

    +2500 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. E1

Everyday essentials
Everyday essentials — specifications for Optimus Chat C550, E1.
SpecificationOptimus Chat C550E1
Dimensions (HxWxD)
  • 109 Х 59 Х 16 mm
  • 143.8 Х 72 Х 8.9 mm
Weight
  • 122 g
  • 0 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 5" inch
Screen resolution
  • 320 x 480 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 140 MB
  • 16 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 128 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Removable Li-Po
Operating system OS
  • Android 2.2 (Froyo)
  • Android 6.0 (Marshmallow)
Chipset Unknown
  • Mediatek MT6735P (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Optimus Chat C550, E1.
SpecificationOptimus Chat C550E1
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 23.3 cm2
  • 68.9 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 36.3%
  • 66.6%
PPI /points per inch/
  • 206 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for Optimus Chat C550, E1.
SpecificationOptimus Chat C550E1
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 8 MP
  • AF
  • f/2.2
Functions Unknown
  • LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
  • f/2.4
Performance
Performance — specifications for Optimus Chat C550, E1.
SpecificationOptimus Chat C550E1
Processor CPU Unknown
  • Quad-core 1.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • Mali-T720MP2
General specs
General specs — specifications for Optimus Chat C550, E1.
SpecificationOptimus Chat C550E1
Release date
  • 2011
  • February
  • 2017
  • January
Colors
  • Black
  • Silver
  • Blue
  • Red
  • Pink
  • Black
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 40 EUR
Unknown
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, E1.
SpecificationOptimus Chat C550E1
SIM card
  • Mini-SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 2100 -4G - LTE band 3(1800)
  • 5(850)
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • EDR
  • 4.0
  • 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)
Unknown
Music and Audio
Music and Audio — specifications for Optimus Chat C550, E1.
SpecificationOptimus Chat C550E1
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Optimus Chat C550, E1.
SpecificationOptimus Chat C550E1
Dop
  • Sensors Accelerometer MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Document viewer -Organizer -Voice memo -Predictive text input
  • Sensors Accelerometer
  • proximity
  • compass