Celkon AR45 vs LG Optimus Chat C550

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.

  • Screen diagonal

    Optimus Chat C550: 1.7 in smaller diagonal

    AR45:
    4.5 in
    Optimus Chat C550:
    2.8 in
  • Release year

    AR45:
    2013
    Optimus Chat C550:
    2011

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. AR45

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

  2. 2. Optimus Chat C550

    Height:
    109 mm
    Width:
    59 mm
    Depth:
    16 mm
    Weight:
    122 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. AR45

    AR45: Screen geometry unavailable or conflicting.

  2. 2. Optimus Chat C550

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

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.

AR45: Original memory entry

4 GB · 512 MB 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. AR45

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

2. Optimus Chat C550

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. AR45

    2000 mAh

    +500 mAh versus Optimus Chat C550

  2. 2. Optimus Chat C550

    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. AR452. Optimus Chat C550

Everyday essentials
Everyday essentials — specifications for AR45, Optimus Chat C550.
SpecificationAR45Optimus Chat C550
Dimensions (HxWxD)
  • Х Х mm
  • 109 Х 59 Х 16 mm
Weight
  • 0 g
  • 122 g
Technology
  • TFT
  • TFT
Screen size
  • 4.5" inch
  • 2.8" inch
Screen resolution
  • 960 x 854 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 140 MB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 2.2 (Froyo)
Chipset
  • Mediatek MT6572 (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for AR45, Optimus Chat C550.
SpecificationAR45Optimus Chat C550
Touchscreen
  • touchscreen
  • touchscreen
Display colors Unknown
  • 256K
Screen area
  • 64.9 cm2
  • 23.3 cm2
Screen format Unknown
  • 3:2 (height:width)
Screen to body ratio Unknown
  • 36.3%
PPI /points per inch/
  • 0 PPI
  • 206 PPI
Camera and Video
Camera and Video — specifications for AR45, Optimus Chat C550.
SpecificationAR45Optimus Chat C550
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • 3.15 MP
  • AF
Video
  • Yes
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 0 MP,
Specifications
  • 1.3 MP
Unknown
Performance
Performance — specifications for AR45, Optimus Chat C550.
SpecificationAR45Optimus Chat C550
Processor CPU
  • Dual-core 1.2 GHz Cortex-A7
Unknown
Graphics processor GPU
  • Mali-400
Unknown
General specs
General specs — specifications for AR45, Optimus Chat C550.
SpecificationAR45Optimus Chat C550
Release date
  • 2013
  • October
  • 2011
  • February
Colors
  • White
  • Black
  • Silver
  • Blue
  • Red
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
  • 40 EUR
Battery life Unknown
  • Stand by time- Up to 440 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for AR45, Optimus Chat C550.
SpecificationAR45Optimus Chat C550
SIM card
  • Dual SIM (Mini-SIM)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 7.2/5.76 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • Yes
  • 2.1
  • A2DP
  • EDR
Harmful irradiation
  • SAR EU - 0.74 W/kg (head) 0.68 W/kg (body)
  • SAR - 0.49 W/kg (head) 0.39 W/kg (body) SAR EU - 0.71 W/kg (head) 1.24 W/kg (body)
Music and Audio
Music and Audio — specifications for AR45, Optimus Chat C550.
SpecificationAR45Optimus Chat C550
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for AR45, Optimus Chat C550.
SpecificationAR45Optimus Chat C550
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Document viewer -Organizer -Voice memo -Predictive text input