Celkon A9 Dual vs LG Optimus S

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

    A9 Dual: 14 g lighter

    A9 Dual:
    116 g
    Optimus S:
    130 g
  • Width

    Optimus S: 4.9 mm narrower

    A9 Dual:
    63.9 mm
    Optimus S:
    59 mm
  • Screen diagonal

    Optimus S: 0.3 in smaller diagonal

    A9 Dual:
    3.5 in
    Optimus S:
    3.2 in
  • Depth

    A9 Dual: 2.4 mm thinner

    A9 Dual:
    10.6 mm
    Optimus S:
    13 mm
  • Height

    Optimus S: 6.5 mm shorter

    A9 Dual:
    120.5 mm
    Optimus S:
    114 mm
  • Release year

    A9 Dual:
    2014
    Optimus S:
    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. A9 Dual

    Height:
    120.5 mm +6.5 mm versus Optimus S
    Width:
    63.9 mm +4.9 mm versus Optimus S
    Depth:
    10.6 mm
  2. 2. Optimus S

    Height:
    114 mm
    Width:
    59 mm
    Depth:
    13 mm +2.4 mm versus A9 Dual

Weight

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

  1. 1. A9 Dual

    116 g

  2. 2. Optimus S

    130 g

    +14 g versus A9 Dual

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. A9 Dual

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. Optimus S

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

A9 Dual has approximately 19.6% more rectangular screen area than Optimus S.

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.

A9 Dual: Original memory entry

512 MB · 256 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. A9 Dual

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

2. Optimus S

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. A9 Dual

    1350 mAh

  2. 2. Optimus S

    1500 mAh

    +150 mAh versus A9 Dual

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. A9 Dual2. Optimus S

Everyday essentials
Everyday essentials — specifications for A9 Dual, Optimus S.
SpecificationA9 DualOptimus S
Dimensions (HxWxD)
  • 120.5 Х 63.9 Х 10.6 mm
  • 114 Х 59 Х 13 mm
Weight
  • 116 g
  • 130 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 3.2" inch
Screen resolution
  • 320 x 480 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
Unknown
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 2.2 (Froyo)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A9 Dual, Optimus S.
SpecificationA9 DualOptimus S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 36.5 cm2
  • 30.5 cm2
Screen format
  • 3:2 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 47.4%
  • 45.3%
PPI /points per inch/
  • 165 PPI
  • 180 PPI
Camera and Video
Camera and Video — specifications for A9 Dual, Optimus S.
SpecificationA9 DualOptimus S
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
  • AF
Video
  • Yes
  • 480p
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for A9 Dual, Optimus S.
SpecificationA9 DualOptimus S
Processor CPU
  • Dual-core 1.0 GHz
  • 600 MHz
General specs
General specs — specifications for A9 Dual, Optimus S.
SpecificationA9 DualOptimus S
Release date
  • 2014
  • 2010
  • October
Colors
  • White
  • Black
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 50 EUR
Battery life
  • Stand by time- Up to 240 h Talking time- Up to 3 h 20 min
  • Stand by time- Up to 200 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for A9 Dual, Optimus S.
SpecificationA9 DualOptimus S
SIM card
  • Dual SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - CDMA 800 / 1900
Speed Unknown
  • EV-DO Rev.0
  • 153.2 Kbps
GPRS
  • Yes
  • No
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 2.0
  • 2.1
  • A2DP
  • EDR
Harmful irradiation
  • SAR EU - 0.61 W/kg (head) 0.69 W/kg (body)
  • SAR - 1.26 W/kg (head) 0.48 W/kg (body)
Music and Audio
Music and Audio — specifications for A9 Dual, Optimus S.
SpecificationA9 DualOptimus S
Radio
  • FM radio
Unknown
Other features
Other features — specifications for A9 Dual, Optimus S.
SpecificationA9 DualOptimus S
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity
  • compass - DivX/Xvid/MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Document viewer -Organizer -Voice memo/dial/commands -Predictive text input - LG Optimus S for Sprint LG Optimus U for US Cellular LG Optimus V VM670 for Virgin Mobile