i-mate JAMin vs ZTE Open II

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.

  • Width

    JAMin: 3 mm narrower

    JAMin:
    58 mm
    Open II:
    61 mm
  • Screen diagonal

    JAMin: 0.7 in smaller diagonal

    JAMin:
    2.8 in
    Open II:
    3.5 in
  • Chipset

    JAMin:
    TI OMAP 850
    Open II:
    Qualcomm MSM8210 Snapdragon 200 (28 nm)
  • Depth

    Open II: 7.7 mm thinner

    JAMin:
    18.2 mm
    Open II:
    10.5 mm
  • Height

    JAMin: 10 mm shorter

    JAMin:
    108 mm
    Open II:
    118 mm
  • Release year

    JAMin:
    2006
    Open II:
    2014

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. JAMin

    Height:
    108 mm
    Width:
    58 mm
    Depth:
    18.2 mm +7.7 mm versus Open II
    Weight:
    150 g
  2. 2. Open II

    Height:
    118 mm +10 mm versus JAMin
    Width:
    61 mm +3 mm versus JAMin
    Depth:
    10.5 mm
    Weight:
    Unknown

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. JAMin

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

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

Open II has approximately 50.2% more rectangular screen area than JAMin.

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.

JAMin: Original memory entry

64 MB RAM · 128 MB ROM

Open II: Original memory entry

2 GB · 256 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. JAMin

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

2. Open II

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. JAMin

    1200 mAh

    +50 mAh versus Open II

  2. 2. Open II

    1150 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. JAMin2. Open II

Everyday essentials
Everyday essentials — specifications for JAMin, Open II.
SpecificationJAMinOpen II
Dimensions (HxWxD)
  • 108 Х 58 Х 18.2 mm
  • 118 Х 61 Х 10.5 mm
Weight
  • 150 g
  • 0 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 3.5" inch
Screen resolution
  • 240 x 320 px
  • 320 x 480 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
  • 2 GB
  • 256 MB RAM
Memory card support
  • SD/MMC
  • up to 2 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Po
  • 1150 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Firefox OS 1.3
Chipset
  • TI OMAP 850
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for JAMin, Open II.
SpecificationJAMinOpen II
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 24.3 cm2
  • 36.5 cm2
Screen format
  • 4:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 38.8%
  • 50.7%
PPI /points per inch/
  • 143 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for JAMin, Open II.
SpecificationJAMinOpen II
Rear camera, main
  • 2 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 2 MP
  • 2 MP
Video
  • CIF
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for JAMin, Open II.
SpecificationJAMinOpen II
Processor CPU
  • 200 MHz ARM926EJ-S
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • Adreno 302
Antutu 7 score * Unknown
  • 12396
General specs
General specs — specifications for JAMin, Open II.
SpecificationJAMinOpen II
Release date
  • 2006
  • Q1
  • 2014
  • February
Colors
  • Stylish black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for JAMin, Open II.
SpecificationJAMinOpen II
SIM card
  • Mini-SIM
  • Micro-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
Unknown
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • 2.0
  • 2.1
Music and Audio
Music and Audio — specifications for JAMin, Open II.
SpecificationJAMinOpen II
Radio
  • No
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for JAMin, Open II.
SpecificationJAMinOpen II
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player - Produced by HTC. Functionally identical to Qtek S200
  • O2 XDA Neo.
  • Sensors Accelerometer MP3/AAC+/WAV player -MP4/H.264 player -Photo viewer -Predictive text input