Celkon A9 Dual vs LG U

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: 19 g lighter

    A9 Dual:
    116 g
    U:
    135 g
  • Width

    A9 Dual: 9.3 mm narrower

    A9 Dual:
    63.9 mm
    U:
    73.2 mm
  • Screen diagonal

    A9 Dual: 1.7 in smaller diagonal

    A9 Dual:
    3.5 in
    U:
    5.2 in
  • Depth

    U: 2.9 mm thinner

    A9 Dual:
    10.6 mm
    U:
    7.7 mm
  • Height

    A9 Dual: 27.1 mm shorter

    A9 Dual:
    120.5 mm
    U:
    147.6 mm
  • Release year

    A9 Dual:
    2014
    U:
    2016

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
    Width:
    63.9 mm
    Depth:
    10.6 mm +2.9 mm versus U
  2. 2. U

    Height:
    147.6 mm +27.1 mm versus A9 Dual
    Width:
    73.2 mm +9.3 mm versus A9 Dual
    Depth:
    7.7 mm

Weight

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

  1. 1. A9 Dual

    116 g

  2. 2. U

    135 g

    +19 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. U

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

U has approximately 104.4% more rectangular screen area than A9 Dual.

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 A9 Dual, U, compared at the same storage capacity.
StorageA9 DualU
32 GB Unknown 2 GB RAM
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. U

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. A9 Dual

    1350 mAh

  2. 2. U

    3000 mAh

    +1650 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. U

Everyday essentials
Everyday essentials — specifications for A9 Dual, U.
SpecificationA9 DualU
Dimensions (HxWxD)
  • 120.5 Х 63.9 Х 10.6 mm
  • 147.6 Х 73.2 Х 7.7 mm
Weight
  • 116 g
  • 135 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 5.2" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 32 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Li-Ion
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 6.0 (Marshmallow)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A9 Dual, U.
SpecificationA9 DualU
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 36.5 cm2
  • 74.5 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 47.4%
  • 69.0%
PPI /points per inch/
  • 165 PPI
  • 424 PPI
Camera and Video
Camera and Video — specifications for A9 Dual, U.
SpecificationA9 DualU
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • AF
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA
  • 8 MP
Performance
Performance — specifications for A9 Dual, U.
SpecificationA9 DualU
Processor CPU
  • Dual-core 1.0 GHz
  • Octa-core 1.14 GHz
General specs
General specs — specifications for A9 Dual, U.
SpecificationA9 DualU
Release date
  • 2014
  • 2016
  • October
Colors
  • White
  • Black
  • White
  • Black
  • Pink
Battery life
  • Stand by time- Up to 240 h Talking time- Up to 3 h 20 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A9 Dual, U.
SpecificationA9 DualU
SIM card
  • Dual SIM
  • Nano-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
Speed Unknown
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.61 W/kg (head) 0.69 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A9 Dual, U.
SpecificationA9 DualU
Radio
  • FM radio
  • No
Other features
Other features — specifications for A9 Dual, U.
SpecificationA9 DualU
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity
  • compass