LG U vs Motorola A3100

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

    A3100: 16 g lighter

    U:
    135 g
    A3100:
    119 g
  • Width

    A3100: 13.5 mm narrower

    U:
    73.2 mm
    A3100:
    59.7 mm
  • Screen diagonal

    A3100: 2.4 in smaller diagonal

    U:
    5.2 in
    A3100:
    2.8 in
  • Depth

    U: 6 mm thinner

    U:
    7.7 mm
    A3100:
    13.7 mm
  • Height

    A3100: 37.6 mm shorter

    U:
    147.6 mm
    A3100:
    110 mm
  • Release year

    U:
    2016
    A3100:
    2009

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. U

    Height:
    147.6 mm +37.6 mm versus A3100
    Width:
    73.2 mm +13.5 mm versus A3100
    Depth:
    7.7 mm
  2. 2. A3100

    Height:
    110 mm
    Width:
    59.7 mm
    Depth:
    13.7 mm +6 mm versus U

Weight

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

  1. 1. U

    135 g

    +16 g versus A3100

  2. 2. A3100

    119 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.

  1. 1. U

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 cm²
  2. 2. A3100

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

U has approximately 207% more rectangular screen area than A3100.

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 U, A3100, compared at the same storage capacity.
StorageUA3100
32 GB 2 GB RAM Unknown
A3100: Original memory entry

256 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. U

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

2. A3100

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 16 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. U

    3000 mAh

    +1830 mAh versus A3100

  2. 2. A3100

    1170 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. U2. A3100

Everyday essentials
Everyday essentials — specifications for U, A3100.
SpecificationUA3100
Dimensions (HxWxD)
  • 147.6 Х 73.2 Х 7.7 mm
  • 110 Х 59.7 Х 13.7 mm
Weight
  • 135 g
  • 119 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.2" inch
  • 2.8" inch
Screen resolution
  • 1080 x 1920 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 2 GB RAM
  • 256 MB
  • 128 MB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 1170 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Microsoft Windows Mobile 6.1 Professional
Chipset Unknown
  • Qualcomm MSM7201A
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for U, A3100.
SpecificationUA3100
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 74.5 cm2
  • 24.3 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 69.0%
  • 37.0%
PPI /points per inch/
  • 424 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for U, A3100.
SpecificationUA3100
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 3.15 MP
  • AF
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • VGA videocall camera
Performance
Performance — specifications for U, A3100.
SpecificationUA3100
Processor CPU
  • Octa-core 1.14 GHz
  • 528 MHz ARM 11
Graphics processor GPU Unknown
  • Adreno 130
General specs
General specs — specifications for U, A3100.
SpecificationUA3100
Release date
  • 2016
  • October
  • 2009
  • January
Colors
  • White
  • Black
  • Pink
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Battery life Unknown
  • Stand by time- Up to 298 h Talking time- Up to 6 h 48 min
Communication and Connectivity
Communication and Connectivity — specifications for U, A3100.
SpecificationUA3100
SIM card
  • Nano-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • LTE
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • miniUSB
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.31 W/kg (head) 1.33 W/kg (body) SAR EU - 0.93 W/kg (head)
Music and Audio
Music and Audio — specifications for U, A3100.
SpecificationUA3100
Radio
  • No
  • No
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for U, A3100.
SpecificationUA3100
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Pocket Office -Voice memo -MP3/WMA/MP4/WMV player