Eten M550 vs LG Quantum

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

    M550: 11 g lighter

    M550:
    165 g
    Quantum:
    176 g
  • Width

    Quantum: 1.5 mm narrower

    M550:
    61 mm
    Quantum:
    59.5 mm
  • Screen diagonal

    M550: 0.7 in smaller diagonal

    M550:
    2.8 in
    Quantum:
    3.5 in
  • Depth

    Quantum: 6.8 mm thinner

    M550:
    22 mm
    Quantum:
    15.2 mm
  • Height

    M550: 7.5 mm shorter

    M550:
    112 mm
    Quantum:
    119.5 mm
  • Release year

    M550:
    2006
    Quantum:
    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. M550

    Height:
    112 mm
    Width:
    61 mm +1.5 mm versus Quantum
    Depth:
    22 mm +6.8 mm versus Quantum
  2. 2. Quantum

    Height:
    119.5 mm +7.5 mm versus M550
    Width:
    59.5 mm
    Depth:
    15.2 mm

Weight

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

  1. 1. M550

    165 g

  2. 2. Quantum

    176 g

    +11 g versus M550

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. M550

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

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

Quantum has approximately 43.6% more rectangular screen area than M550.

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.

M550: Original memory entry

64 MB RAM · 128 MB ROM

Quantum: Original memory entry

16 GB · 512 MB RAM · 512 MB ROM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. M550

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SD/SDIO

2. Quantum

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

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. M550

    1440 mAh

  2. 2. Quantum

    1500 mAh

    +60 mAh versus M550

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. M5502. Quantum

Everyday essentials
Everyday essentials — specifications for M550, Quantum.
SpecificationM550Quantum
Dimensions (HxWxD)
  • 112 Х 61 Х 22 mm
  • 119.5 Х 59.5 Х 15.2 mm
Weight
  • 165 g
  • 176 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 3.5" inch
Screen resolution
  • 240 x 320 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 128 MB ROM
  • 16 GB
  • 512 MB RAM
  • 512 MB ROM
Memory card support
  • SD/SDIO
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1440 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Microsoft Windows Phone 7
Chipset Unknown
  • Qualcomm QSD8650 Snapdragon S1
Headphone jack
  • No
  • Yes
Display
Display — specifications for M550, Quantum.
SpecificationM550Quantum
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 34.9 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 35.5%
  • 49.0%
PPI /points per inch/
  • 143 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for M550, Quantum.
SpecificationM550Quantum
Rear camera, main
  • 1.3 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 1.3 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 720p
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for M550, Quantum.
SpecificationM550Quantum
Processor CPU
  • Samsung 2440 400 MHz
  • 1.0 GHz Scorpion
Graphics processor GPU Unknown
  • Adreno 200
General specs
General specs — specifications for M550, Quantum.
SpecificationM550Quantum
Release date
  • 2006
  • April
  • 2010
  • October
Colors
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 80 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 4 h
  • Stand by time- Up to 350 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for M550, Quantum.
SpecificationM550Quantum
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA
GPRS
  • Class 10
  • Class 10
Edge
  • No
  • Class 10
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • DLNA
GPS
  • No
  • Yes
  • with A-GPS
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • 1.2
  • 2.1
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
Music and Audio
Music and Audio — specifications for M550, Quantum.
SpecificationM550Quantum
Radio
  • No
  • Stereo FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for M550, Quantum.
SpecificationM550Quantum
Dop
  • Pocket Office -eBook reader -Windows MPlayer 10 -Organizer -Voice memo
  • 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