i-mate JAMin vs NIU Tek 4D2

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: 5 mm narrower

    JAMin:
    58 mm
    Tek 4D2:
    63 mm
  • Screen diagonal

    JAMin: 1.2 in smaller diagonal

    JAMin:
    2.8 in
    Tek 4D2:
    4 in
  • Chipset

    JAMin:
    TI OMAP 850
    Tek 4D2:
    Mediatek MT6572M (28 nm)
  • Depth

    Tek 4D2: 7.9 mm thinner

    JAMin:
    18.2 mm
    Tek 4D2:
    10.3 mm
  • Height

    JAMin: 15 mm shorter

    JAMin:
    108 mm
    Tek 4D2:
    123 mm
  • Release year

    JAMin:
    2006
    Tek 4D2:
    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 +7.9 mm versus Tek 4D2
  2. 2. Tek 4D2

    Height:
    123 mm +15 mm versus JAMin
    Width:
    63 mm +5 mm versus JAMin
    Depth:
    10.3 mm

Weight

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

  1. 1. JAMin

    150 g

  2. 2. Tek 4D2

    152 g

    +2 g versus JAMin

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. Tek 4D2

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Tek 4D2 has approximately 87.6% 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

Tek 4D2: Original memory entry

4 GB · 512 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. Tek 4D2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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. JAMin

    1200 mAh

  2. 2. Tek 4D2

    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. JAMin2. Tek 4D2

Everyday essentials
Everyday essentials — specifications for JAMin, Tek 4D2.
SpecificationJAMinTek 4D2
Dimensions (HxWxD)
  • 108 Х 58 Х 18.2 mm
  • 123 Х 63 Х 10.3 mm
Weight
  • 150 g
  • 152 g
Technology
  • TFT
Unknown
Screen size
  • 2.8" inch
  • 4" inch
Screen resolution
  • 240 x 320 px
  • 480 x 800 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
  • 512 MB RAM
Memory card support
  • SD/MMC
  • up to 2 GB
  • microSD
  • up to 64 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Po
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 4.4.2 (KitKat)
Chipset
  • TI OMAP 850
  • Mediatek MT6572M (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for JAMin, Tek 4D2.
SpecificationJAMinTek 4D2
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 24.3 cm2
  • 45.5 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 38.8%
  • 58.8%
PPI /points per inch/
  • 143 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for JAMin, Tek 4D2.
SpecificationJAMinTek 4D2
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
Functions Unknown
  • LED flash
  • panorama
Video
  • CIF
  • 480p@30fps
Front camera, selfie
  • 0 MP,
  • 1.3 MP
  • Single
Specifications Unknown
  • 1.3 MP
Performance
Performance — specifications for JAMin, Tek 4D2.
SpecificationJAMinTek 4D2
Processor CPU
  • 200 MHz ARM926EJ-S
  • Dual-core 1.0 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400
General specs
General specs — specifications for JAMin, Tek 4D2.
SpecificationJAMinTek 4D2
Release date
  • 2006
  • Q1
  • 2014
  • August
Colors
  • Stylish black
  • Black
  • Gray
  • White
  • Blue
  • Orange
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 400 h (2G) / Up to 320 h (3G) Talking time- Up to 8 h (2G) / Up to 6 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for JAMin, Tek 4D2.
SpecificationJAMinTek 4D2
SIM card
  • Mini-SIM
  • Dual SIM (Mini-SIM/ Micro-SIM)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed Unknown
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 10
  • Class 12
Edge
  • Class 10
  • Class 12
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for JAMin, Tek 4D2.
SpecificationJAMinTek 4D2
Radio
  • No
  • Stereo FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for JAMin, Tek 4D2.
SpecificationJAMinTek 4D2
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player - Produced by HTC. Functionally identical to Qtek S200
  • O2 XDA Neo.
  • Sensors Accelerometer Single SIM: TC4D2I043 Dual SIM: TM4D2I043