i-mate JAM vs Samsung i637 Jack

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

    i637 Jack: 47.9 g lighter

    JAM:
    150 g
    i637 Jack:
    102.1 g
  • Width

    JAM: 3 mm narrower

    JAM:
    58 mm
    i637 Jack:
    61 mm
  • Screen diagonal

    i637 Jack: 0.4 in smaller diagonal

    JAM:
    2.8 in
    i637 Jack:
    2.4 in
  • Depth

    i637 Jack: 5.3 mm thinner

    JAM:
    18 mm
    i637 Jack:
    12.7 mm
  • Height

    JAM: 9 mm shorter

    JAM:
    108 mm
    i637 Jack:
    117 mm
  • Release year

    JAM:
    2004
    i637 Jack:
    2009

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. JAM

    Height:
    108 mm
    Width:
    58 mm
    Depth:
    18 mm +5.3 mm versus i637 Jack
  2. 2. i637 Jack

    Height:
    117 mm +9 mm versus JAM
    Width:
    61 mm +3 mm versus JAM
    Depth:
    12.7 mm

Weight

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

  1. 1. JAM

    150 g

    +47.9 g versus i637 Jack

  2. 2. i637 Jack

    102.1 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. JAM

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. i637 Jack

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

JAM has approximately 36.1% more rectangular screen area than i637 Jack.

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.

JAM: Original memory entry

64 MB RAM

i637 Jack: Original memory entry

256 MB RAM · 256 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. JAM

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

2. i637 Jack

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 GB (dedicated slot)

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. JAM

    1200 mAh

  2. 2. i637 Jack

    1480 mAh

    +280 mAh versus JAM

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. JAM2. i637 Jack

Everyday essentials
Everyday essentials — specifications for JAM, i637 Jack.
SpecificationJAMi637 Jack
Dimensions (HxWxD)
  • 108 Х 58 Х 18 mm
  • 117 Х 61 Х 12.7 mm
Weight
  • 150 g
  • 102.1 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 2.4" 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
  • 256 MB RAM
  • 256 MB ROM
Memory card support
  • SDIO/MMC
  • up to 2 GB
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 1480 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 2003 SE PocketPC
  • Microsoft Windows Mobile 6.1 Standard
  • upgradable to Windows Mobile 6.5
Headphone jack
  • No
  • No
Display
Display — specifications for JAM, i637 Jack.
SpecificationJAMi637 Jack
Touchscreen
  • resistive touchscreen
Unknown
Display colors
  • 65K
  • 65K
Screen area
  • 24.3 cm2
  • 17.8 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 38.8%
  • 25.0%
PPI /points per inch/
  • 143 PPI
  • 167 PPI
Camera and Video
Camera and Video — specifications for JAM, i637 Jack.
SpecificationJAMi637 Jack
Rear camera, main
  • 1.3 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 1.3 MP
  • 3.15 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for JAM, i637 Jack.
SpecificationJAMi637 Jack
Processor CPU
  • Intel PXA272 416 MHz
  • 528 MHz
General specs
General specs — specifications for JAM, i637 Jack.
SpecificationJAMi637 Jack
Release date
  • 2004
  • Q4
  • 2009
  • May
Colors
  • Stylish black and silver
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 180 h Talking time- Up to 3 h 30 min
  • Stand by time- Up to 288 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for JAM, i637 Jack.
SpecificationJAMi637 Jack
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA 3.6/0.384 Mbps
GPRS
  • Class 10
  • Class 10
Edge
  • No
  • Class 10
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g
GPS
  • No
  • Yes
  • with A-GPS
USB
  • Proprietary
  • 2.0
Bluetooth
  • Yes
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.04 W/kg (head) 0.53 W/kg (body)
Music and Audio
Music and Audio — specifications for JAM, i637 Jack.
SpecificationJAMi637 Jack
Radio
  • No
  • No
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for JAM, i637 Jack.
SpecificationJAMi637 Jack
Dop
  • 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.
  • Windows Media Player 10 -Windows Live
  • Yahoo!
  • AOL -Microsoft Outlook Mobile -Pocket Office -Voice memo/dial -Predictive text input - For AT&T