LG Quantum vs Plum Coach Plus II

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

    Coach Plus II: 20 g lighter

    Quantum:
    176 g
    Coach Plus II:
    156 g
  • Width

    Quantum: 14.5 mm narrower

    Quantum:
    59.5 mm
    Coach Plus II:
    74 mm
  • Screen diagonal

    Quantum: 2.5 in smaller diagonal

    Quantum:
    3.5 in
    Coach Plus II:
    6 in
  • Chipset

    Quantum:
    Qualcomm QSD8650 Snapdragon S1
    Coach Plus II:
    Mediatek MT6582M (28 nm)
  • Depth

    Coach Plus II: 5.3 mm thinner

    Quantum:
    15.2 mm
    Coach Plus II:
    9.9 mm
  • Height

    Quantum: 38.3 mm shorter

    Quantum:
    119.5 mm
    Coach Plus II:
    157.8 mm

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
    Width:
    59.5 mm
    Depth:
    15.2 mm +5.3 mm versus Coach Plus II
  2. 2. Coach Plus II

    Height:
    157.8 mm +38.3 mm versus Quantum
    Width:
    74 mm +14.5 mm versus Quantum
    Depth:
    9.9 mm

Weight

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

  1. 1. Quantum

    176 g

    +20 g versus Coach Plus II

  2. 2. Coach Plus II

    156 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. Coach Plus II

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

Coach Plus II has approximately 184.6% more rectangular screen area than Quantum.

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

Coach Plus II: Original memory entry

4 GB · 512 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. Quantum

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

2. Coach Plus II

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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. Quantum

    1500 mAh

  2. 2. Coach Plus II

    2400 mAh

    +900 mAh versus Quantum

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. Coach Plus II

Everyday essentials
Everyday essentials — specifications for Quantum, Coach Plus II.
SpecificationQuantumCoach Plus II
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 157.8 Х 74 Х 9.9 mm
Weight
  • 176 g
  • 156 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 6" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 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
  • 4 GB
  • 512 MB RAM
Memory card support
  • No
  • microSD
  • up to 64 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 2400 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 7
  • Android 4.4.2 (KitKat)
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Mediatek MT6582M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Quantum, Coach Plus II.
SpecificationQuantumCoach Plus II
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 99.2 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 49.0%
  • 85.0%
PPI /points per inch/
  • 267 PPI
  • 245 PPI
Camera and Video
Camera and Video — specifications for Quantum, Coach Plus II.
SpecificationQuantumCoach Plus II
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • Face detection
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 1.3 MP
  • Single
Specifications Unknown
  • 1.3 MP
Performance
Performance — specifications for Quantum, Coach Plus II.
SpecificationQuantumCoach Plus II
Processor CPU
  • 1.0 GHz Scorpion
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Adreno 200
  • Mali-400MP2
General specs
General specs — specifications for Quantum, Coach Plus II.
SpecificationQuantumCoach Plus II
Release date
  • 2010
  • October
  • 2014
  • May
Colors
  • Black
  • Black
  • White
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- Up to 780 h (2G) / Up to 690 h (3G) Talking time- Up to 16 h (2G) / Up to 8 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Quantum, Coach Plus II.
SpecificationQuantumCoach Plus II
SIM card
  • Mini-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 10
  • Class 12
Edge
  • Class 10
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Quantum, Coach Plus II.
SpecificationQuantumCoach Plus II
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for Quantum, Coach Plus II.
SpecificationQuantumCoach Plus II
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
  • Sensors Accelerometer
  • gyro
  • proximity - Also known as Plum Coach Plus II Z621