i-mate JAMin vs Nokia N81 8GB

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

    N81 8GB: 10 g lighter

    JAMin:
    150 g
    N81 8GB:
    140 g
  • Width

    N81 8GB: 8 mm narrower

    JAMin:
    58 mm
    N81 8GB:
    50 mm
  • Screen diagonal

    N81 8GB: 0.4 in smaller diagonal

    JAMin:
    2.8 in
    N81 8GB:
    2.4 in
  • Height

    N81 8GB: 6 mm shorter

    JAMin:
    108 mm
    N81 8GB:
    102 mm
  • Release year

    JAMin:
    2006
    N81 8GB:
    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. JAMin

    Height:
    108 mm +6 mm versus N81 8GB
    Width:
    58 mm +8 mm versus N81 8GB
    Depth:
    18.2 mm
  2. 2. N81 8GB

    Height:
    102 mm
    Width:
    50 mm
    Depth:
    17.9 mm

Weight

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

  1. 1. JAMin

    150 g

    +10 g versus N81 8GB

  2. 2. N81 8GB

    140 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. JAMin

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. N81 8GB

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

JAMin has approximately 36.1% more rectangular screen area than N81 8GB.

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

N81 8GB: Original memory entry

8 GB · 96 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. N81 8GB

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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

    +150 mAh versus N81 8GB

  2. 2. N81 8GB

    1050 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. N81 8GB

Everyday essentials
Everyday essentials — specifications for JAMin, N81 8GB.
SpecificationJAMinN81 8GB
Dimensions (HxWxD)
  • 108 Х 58 Х 18.2 mm
  • 102 Х 50 Х 17.9 mm
Weight
  • 150 g
  • 140 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 2.4" 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
  • 8 GB
  • 96 MB RAM
Memory card support
  • SD/MMC
  • up to 2 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Po
  • 1050 mAh
  • Removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Chipset
  • TI OMAP 850
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for JAMin, N81 8GB.
SpecificationJAMinN81 8GB
Touchscreen
  • resistive touchscreen
Unknown
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 17.8 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 38.8%
  • 35.0%
PPI /points per inch/
  • 143 PPI
  • 167 PPI
Camera and Video
Camera and Video — specifications for JAMin, N81 8GB.
SpecificationJAMinN81 8GB
Rear camera, main
  • 2 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 2 MP
  • 2 MP
Functions Unknown
  • LED flash
Video
  • CIF
  • 320p@15fps
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • CIF videocall camera
Performance
Performance — specifications for JAMin, N81 8GB.
SpecificationJAMinN81 8GB
Processor CPU
  • 200 MHz ARM926EJ-S
  • 369 MHz ARM 11
General specs
General specs — specifications for JAMin, N81 8GB.
SpecificationJAMinN81 8GB
Release date
  • 2006
  • Q1
  • 2007
  • August
Colors
  • Stylish black
  • Cocoa brown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 200 EUR
Battery life Unknown
  • Stand by time- Up to 410 h Talking time- Up to 4 h (2G) / 3 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for JAMin, N81 8GB.
SpecificationJAMinN81 8GB
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • Yes
  • 384 kbps
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11b/g with UPnP
GPS
  • No
  • No
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • 2.0
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.81 W/kg (head) 0.60 W/kg (body) SAR EU - 0.73 W/kg (head)
Music and Audio
Music and Audio — specifications for JAMin, N81 8GB.
SpecificationJAMinN81 8GB
Radio
  • No
  • Stereo FM radio
Others
  • Handwriting recognition
  • Touch-sensitive Navi wheel
Other features
Other features — specifications for JAMin, N81 8GB.
SpecificationJAMinN81 8GB
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player - Produced by HTC. Functionally identical to Qtek S200
  • O2 XDA Neo.
  • WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Predictive text input -Push to talk -Voice dial/memo -Organizer