Eten M550 vs i-mate JAM

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

    JAM: 15 g lighter

    M550:
    165 g
    JAM:
    150 g
  • Width

    JAM: 3 mm narrower

    M550:
    61 mm
    JAM:
    58 mm
  • Depth

    JAM: 4 mm thinner

    M550:
    22 mm
    JAM:
    18 mm
  • Height

    JAM: 4 mm shorter

    M550:
    112 mm
    JAM:
    108 mm
  • Release year

    M550:
    2006
    JAM:
    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. M550

    Height:
    112 mm +4 mm versus JAM
    Width:
    61 mm +3 mm versus JAM
    Depth:
    22 mm +4 mm versus JAM
  2. 2. JAM

    Height:
    108 mm
    Width:
    58 mm
    Depth:
    18 mm

Weight

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

  1. 1. M550

    165 g

    +15 g versus JAM

  2. 2. JAM

    150 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. JAM

    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

JAM: Original memory entry

64 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. M550

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

2. JAM

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SDIO/MMC · up to 2 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. M550

    1440 mAh

    +240 mAh versus JAM

  2. 2. JAM

    1200 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. M5502. JAM

Everyday essentials
Everyday essentials — specifications for M550, JAM.
SpecificationM550JAM
Dimensions (HxWxD)
  • 112 Х 61 Х 22 mm
  • 108 Х 58 Х 18 mm
Weight
  • 165 g
  • 150 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 2.8" inch
Screen resolution
  • 240 x 320 px
  • 240 x 320 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
Memory card support
  • SD/SDIO
  • SDIO/MMC
  • up to 2 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1440 mAh
  • Removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Microsoft Windows Mobile 2003 SE PocketPC
Headphone jack
  • No
  • No
Display
Display — specifications for M550, JAM.
SpecificationM550JAM
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%
  • 38.8%
PPI /points per inch/
  • 143 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for M550, JAM.
SpecificationM550JAM
Rear camera, main
  • 1.3 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 1.3 MP
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for M550, JAM.
SpecificationM550JAM
Processor CPU
  • Samsung 2440 400 MHz
  • Intel PXA272 416 MHz
General specs
General specs — specifications for M550, JAM.
SpecificationM550JAM
Release date
  • 2006
  • April
  • 2004
  • Q4
Colors
  • White
  • Stylish black and silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 260 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 4 h
  • Stand by time- Up to 180 h Talking time- Up to 3 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for M550, JAM.
SpecificationM550JAM
SIM card
  • Mini-SIM
  • Mini-SIM
GPRS
  • Class 10
  • Class 10
Edge
  • No
  • No
Wi-Fi
  • No
  • No
GPS
  • No
  • No
USB
  • Proprietary
  • Proprietary
Bluetooth
  • 1.2
  • Yes
Music and Audio
Music and Audio — specifications for M550, JAM.
SpecificationM550JAM
Radio
  • No
  • No
Others
  • Handwriting recognition
  • Handwriting recognition
Other features
Other features — specifications for M550, JAM.
SpecificationM550JAM
Dop
  • Pocket Office -eBook reader -Windows MPlayer 10 -Organizer -Voice memo
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player -Predictive text input - Produced by HTC. Functionally identical to Qtek S100
  • O2 XDA II mini and T-Mobile MDA Compact.