Eten M550 vs LG Optimus LTE SU640

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

    Optimus LTE SU640: 30 g lighter

    M550:
    165 g
    Optimus LTE SU640:
    135 g
  • Width

    M550: 6.9 mm narrower

    M550:
    61 mm
    Optimus LTE SU640:
    67.9 mm
  • Screen diagonal

    M550: 1.7 in smaller diagonal

    M550:
    2.8 in
    Optimus LTE SU640:
    4.5 in
  • Depth

    Optimus LTE SU640: 11.6 mm thinner

    M550:
    22 mm
    Optimus LTE SU640:
    10.4 mm
  • Height

    M550: 20.9 mm shorter

    M550:
    112 mm
    Optimus LTE SU640:
    132.9 mm
  • Release year

    M550:
    2006
    Optimus LTE SU640:
    2011

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
    Depth:
    22 mm +11.6 mm versus Optimus LTE SU640
  2. 2. Optimus LTE SU640

    Height:
    132.9 mm +20.9 mm versus M550
    Width:
    67.9 mm +6.9 mm versus M550
    Depth:
    10.4 mm

Weight

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

  1. 1. M550

    165 g

    +30 g versus Optimus LTE SU640

  2. 2. Optimus LTE SU640

    135 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. M550

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. Optimus LTE SU640

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

Optimus LTE SU640 has approximately 129.9% 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.

Recorded RAM for M550, Optimus LTE SU640, compared at the same storage capacity.
StorageM550Optimus LTE SU640
4 GB Unknown 1 GB RAM
M550: Original memory entry

64 MB RAM · 128 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. Optimus LTE SU640

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 16 GB included

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. Optimus LTE SU640

    1830 mAh

    +390 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. Optimus LTE SU640

Everyday essentials
Everyday essentials — specifications for M550, Optimus LTE SU640.
SpecificationM550Optimus LTE SU640
Dimensions (HxWxD)
  • 112 Х 61 Х 22 mm
  • 132.9 Х 67.9 Х 10.4 mm
Weight
  • 165 g
  • 135 g
Technology
  • TFT
  • HD-IPS LCD
Screen size
  • 2.8" inch
  • 4.5" inch
Screen resolution
  • 240 x 320 px
  • 720 x 1280 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
  • 4 GB
  • 1 GB RAM
Memory card support
  • SD/SDIO
  • microSD
  • up to 32 GB (dedicated slot)
  • 16 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1440 mAh
  • Removable Li-Ion
  • 1830 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 2.3.5 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Chipset Unknown
  • Qualcomm MSM8660 Snapdragon S3
Headphone jack
  • No
  • Yes
Display
Display — specifications for M550, Optimus LTE SU640.
SpecificationM550Optimus LTE SU640
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 55.8 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 35.5%
  • 61.9%
PPI /points per inch/
  • 143 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for M550, Optimus LTE SU640.
SpecificationM550Optimus LTE SU640
Rear camera, main
  • 1.3 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 1.3 MP
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 1.3 MP
  • Single
Specifications Unknown
  • 1.3 MP
Performance
Performance — specifications for M550, Optimus LTE SU640.
SpecificationM550Optimus LTE SU640
Processor CPU
  • Samsung 2440 400 MHz
  • Dual-core 1.5 GHz Scorpion
Graphics processor GPU Unknown
  • Adreno 220
General specs
General specs — specifications for M550, Optimus LTE SU640.
SpecificationM550Optimus LTE SU640
Release date
  • 2006
  • April
  • 2011
  • October
Colors
  • White
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 4 h
  • Stand by time- Up to 400 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for M550, Optimus LTE SU640.
SpecificationM550Optimus LTE SU640
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1900 -4G - LTE 800
Speed Unknown
  • HSPA
  • LTE
GPRS
  • Class 10
  • No
Edge
  • No
  • No
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • Proprietary
  • microUSB 2.0 (MHL TV-out)
Bluetooth
  • 1.2
  • 3.0
  • A2DP
Music and Audio
Music and Audio — specifications for M550, Optimus LTE SU640.
SpecificationM550Optimus LTE SU640
Radio
  • No
  • No
Others
  • Handwriting recognition
  • True HD Graphic Engine
  • Dolby Mobile -Active noise cancellation with dedicated mic
Other features
Other features — specifications for M550, Optimus LTE SU640.
SpecificationM550Optimus LTE SU640
Dop
  • Pocket Office -eBook reader -Windows MPlayer 10 -Organizer -Voice memo
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - T-DMB TV tuner -MP4/H.264/WMV/DviX player -MP3/WMA/WAV/FLAC/eAAC+ player -True HD movie editor -Document viewer/editor -Organizer -Voice memo/dial/commands -Predictive text input - For South Korea