LG Quantum vs Motorola A780

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

    A780: 35 g lighter

    Quantum:
    176 g
    A780:
    141 g
  • Width

    A780: 6.5 mm narrower

    Quantum:
    59.5 mm
    A780:
    53 mm
  • Screen diagonal

    A780: 1 in smaller diagonal

    Quantum:
    3.5 in
    A780:
    2.5 in
  • Depth

    Quantum: 8.8 mm thinner

    Quantum:
    15.2 mm
    A780:
    24 mm
  • Height

    A780: 13.5 mm shorter

    Quantum:
    119.5 mm
    A780:
    106 mm
  • Release year

    Quantum:
    2010
    A780:
    2004

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. Quantum

    Height:
    119.5 mm +13.5 mm versus A780
    Width:
    59.5 mm +6.5 mm versus A780
    Depth:
    15.2 mm
  2. 2. A780

    Height:
    106 mm
    Width:
    53 mm
    Depth:
    24 mm +8.8 mm versus Quantum

Weight

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

  1. 1. Quantum

    176 g

    +35 g versus A780

  2. 2. A780

    141 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. Quantum

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 cm²
  2. 2. A780

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

Quantum has approximately 80.1% more rectangular screen area than A780.

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.

Quantum: Original memory entry

16 GB · 512 MB RAM · 512 MB ROM

A780: Original memory entry

48 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. Quantum

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

2. A780

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (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. Quantum

    1500 mAh

    +720 mAh versus A780

  2. 2. A780

    780 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. Quantum2. A780

Everyday essentials
Everyday essentials — specifications for Quantum, A780.
SpecificationQuantumA780
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 106 Х 53 Х 24 mm
Weight
  • 176 g
  • 141 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 2.5" inch
Screen resolution
  • 480 x 800 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 512 MB RAM
  • 512 MB ROM
  • 48 MB
Memory card support
  • No
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 780 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 7
  • Linux
Chipset
  • Qualcomm QSD8650 Snapdragon S1
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Quantum, A780.
SpecificationQuantumA780
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 34.9 cm2
  • 19.4 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 49.0%
  • 34.5%
PPI /points per inch/
  • 267 PPI
  • 160 PPI
Camera and Video
Camera and Video — specifications for Quantum, A780.
SpecificationQuantumA780
Rear camera, main
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • 720p
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for Quantum, A780.
SpecificationQuantumA780
Processor CPU
  • 1.0 GHz Scorpion
  • 312 MHz
Graphics processor GPU
  • Adreno 200
Unknown
General specs
General specs — specifications for Quantum, A780.
SpecificationQuantumA780
Release date
  • 2010
  • October
  • 2004
  • Q3
Colors
  • Black
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
Unknown
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 6 h
  • Stand by time- 110 h - 180 h Talking time- 3 h - 6 h
Communication and Connectivity
Communication and Connectivity — specifications for Quantum, A780.
SpecificationQuantumA780
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • No
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 2.1
  • A2DP
  • 1.1
Harmful irradiation
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Quantum, A780.
SpecificationQuantumA780
Radio
  • Stereo FM radio
  • No
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for Quantum, A780.
SpecificationQuantumA780
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer/editor -Voice memo/dial/command -Predictive text input - For AT&T
  • MP3 player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -Organizer -SyncML -Voice dial