Eten M550 vs i-mate JAQ4

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: 19 g lighter

    M550:
    165 g
    JAQ4:
    184 g
  • Width

    M550: 10 mm narrower

    M550:
    61 mm
    JAQ4:
    71 mm
  • Depth

    JAQ4: 6.5 mm thinner

    M550:
    22 mm
    JAQ4:
    15.5 mm
  • Height

    M550: 13 mm shorter

    M550:
    112 mm
    JAQ4:
    125 mm
  • Release year

    M550:
    2006
    JAQ4:
    2007

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 +6.5 mm versus JAQ4
  2. 2. JAQ4

    Height:
    125 mm +13 mm versus M550
    Width:
    71 mm +10 mm versus M550
    Depth:
    15.5 mm

Weight

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

  1. 1. M550

    165 g

  2. 2. JAQ4

    184 g

    +19 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. JAQ4

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

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

JAQ4: 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. JAQ4

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

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. JAQ4

    1660 mAh

    +220 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. JAQ4

Everyday essentials
Everyday essentials — specifications for M550, JAQ4.
SpecificationM550JAQ4
Dimensions (HxWxD)
  • 112 Х 61 Х 22 mm
  • 125 Х 71 Х 15.5 mm
Weight
  • 165 g
  • 184 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 2.8" inch
Screen resolution
  • 240 x 320 px
  • 320 x 240 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
  • 64 MB RAM
  • 128 MB ROM
Memory card support
  • SD/SDIO
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 1440 mAh
  • Removable Li-Ion
  • 1660 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Microsoft Windows Mobile 6.0 Professional
Chipset Unknown
  • TI OMAP 850
Headphone jack
  • No
  • No
Display
Display — specifications for M550, JAQ4.
SpecificationM550JAQ4
Touchscreen
  • resistive touchscreen
  • resistive touchscreen
Display colors
  • 65K
  • 65K
Screen area
  • 24.3 cm2
  • 24.3 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 35.5%
  • 27.4%
PPI /points per inch/
  • 143 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for M550, JAQ4.
SpecificationM550JAQ4
Rear camera, main
  • 1.3 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 1.3 MP
  • 2 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for M550, JAQ4.
SpecificationM550JAQ4
Processor CPU
  • Samsung 2440 400 MHz
  • 200 MHz ARM926EJ-S
General specs
General specs — specifications for M550, JAQ4.
SpecificationM550JAQ4
Release date
  • 2006
  • April
  • 2007
  • February
Colors
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 4 h
  • Stand by time- Up to 200 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for M550, JAQ4.
SpecificationM550JAQ4
SIM card
  • Mini-SIM
  • Mini-SIM
GPRS
  • Class 10
  • Class 10
Edge
  • No
  • Class 10
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g
GPS
  • No
  • Yes
USB
  • Proprietary
  • 1.1
Bluetooth
  • 1.2
  • 1.2
Music and Audio
Music and Audio — specifications for M550, JAQ4.
SpecificationM550JAQ4
Radio
  • No
  • No
Others
  • Handwriting recognition
  • Handwriting recognition
Other features
Other features — specifications for M550, JAQ4.
SpecificationM550JAQ4
Dop
  • Pocket Office -eBook reader -Windows MPlayer 10 -Organizer -Voice memo
  • Infrared port - Voice memo -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player -File manager -Pocket Office