i-mate JAMin vs Lenovo A820

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: 10.2 mm narrower

    JAMin:
    58 mm
    A820:
    68.2 mm
  • Screen diagonal

    JAMin: 1.7 in smaller diagonal

    JAMin:
    2.8 in
    A820:
    4.5 in
  • Chipset

    JAMin:
    TI OMAP 850
    A820:
    Mediatek MT6589 (28 nm)
  • Depth

    A820: 8.3 mm thinner

    JAMin:
    18.2 mm
    A820:
    9.9 mm
  • Height

    JAMin: 27 mm shorter

    JAMin:
    108 mm
    A820:
    135 mm
  • Release year

    JAMin:
    2006
    A820:
    2013

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 +8.3 mm versus A820
  2. 2. A820

    Height:
    135 mm +27 mm versus JAMin
    Width:
    68.2 mm +10.2 mm versus JAMin
    Depth:
    9.9 mm

Weight

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

  1. 1. JAMin

    150 g

  2. 2. A820

    151 g

    +1 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. A820

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²

A820 has approximately 129.9% 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.

Recorded RAM for JAMin, A820, compared at the same storage capacity.
StorageJAMinA820
4 GB Unknown 1 GB RAM
JAMin: Original memory entry

64 MB RAM · 128 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. JAMin

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

2. A820

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

  2. 2. A820

    2000 mAh

    +800 mAh versus JAMin

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. A820

Everyday essentials
Everyday essentials — specifications for JAMin, A820.
SpecificationJAMinA820
Dimensions (HxWxD)
  • 108 Х 58 Х 18.2 mm
  • 135 Х 68.2 Х 9.9 mm
Weight
  • 150 g
  • 151 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 4.5" inch
Screen resolution
  • 240 x 320 px
  • 540 x 960 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
  • 1 GB 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
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 4.1.2 (Jelly Bean)
Chipset
  • TI OMAP 850
  • Mediatek MT6589 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for JAMin, A820.
SpecificationJAMinA820
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 55.8 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 38.8%
  • 60.6%
PPI /points per inch/
  • 143 PPI
  • 245 PPI
Camera and Video
Camera and Video — specifications for JAMin, A820.
SpecificationJAMinA820
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • 8 MP
  • AF
Video
  • CIF
  • 720p
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, A820.
SpecificationJAMinA820
Processor CPU
  • 200 MHz ARM926EJ-S
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • PowerVR SGX544
Antutu 7 score * Unknown
  • 17141
General specs
General specs — specifications for JAMin, A820.
SpecificationJAMinA820
Release date
  • 2006
  • Q1
  • 2013
Colors
  • Stylish black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 110 EUR
Communication and Connectivity
Communication and Connectivity — specifications for JAMin, A820.
SpecificationJAMinA820
SIM card
  • Mini-SIM
  • Dual SIM (Mini-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
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
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • 2.0
  • Yes
Harmful irradiation Unknown
  • SAR EU - 0.37 W/kg (head)
Music and Audio
Music and Audio — specifications for JAMin, A820.
SpecificationJAMinA820
Radio
  • No
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for JAMin, A820.
SpecificationJAMinA820
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player - Produced by HTC. Functionally identical to Qtek S200
  • O2 XDA Neo.
  • Sensors Accelerometer
  • proximity