i-mate JAM vs Sony Ericsson A8i

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    A8i: 14 g lighter

    JAM:
    150 g
    A8i:
    136 g
  • Width

    JAM: 1 mm narrower

    JAM:
    58 mm
    A8i:
    59 mm
  • Screen diagonal

    JAM: 0.7 in smaller diagonal

    JAM:
    2.8 in
    A8i:
    3.5 in
  • Depth

    A8i: 4 mm thinner

    JAM:
    18 mm
    A8i:
    14 mm
  • Height

    JAM: 9 mm shorter

    JAM:
    108 mm
    A8i:
    117 mm
  • Release year

    JAM:
    2004
    A8i:
    2010

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 +4 mm versus A8i
  2. 2. A8i

    Height:
    117 mm +9 mm versus JAM
    Width:
    59 mm +1 mm versus JAM
    Depth:
    14 mm

Weight

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

  1. 1. JAM

    150 g

    +14 g versus A8i

  2. 2. A8i

    136 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. A8i

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

A8i has approximately 39.1% more rectangular screen area than JAM.

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

A8i: Original memory entry

200 MB

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. A8i

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.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. A8i

Everyday essentials
Everyday essentials — specifications for JAM, A8i.
SpecificationJAMA8i
Dimensions (HxWxD)
  • 108 Х 58 Х 18 mm
  • 117 Х 59 Х 14 mm
Weight
  • 150 g
  • 136 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 3.5" inch
Screen resolution
  • 240 x 320 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 200 MB
Memory card support
  • SDIO/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-Ion
  • 0 mAh,
Operating system OS
  • Microsoft Windows Mobile 2003 SE PocketPC
  • Android-based OPhone 2.0
Headphone jack
  • No
  • Yes
Display
Display — specifications for JAM, A8i.
SpecificationJAMA8i
Touchscreen
  • resistive touchscreen
  • touchscreen
Display colors
  • 65K
  • 256K
Screen area
  • 24.3 cm2
  • 33.8 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 38.8%
  • 48.9%
PPI /points per inch/
  • 143 PPI
  • 280 PPI
Screen protection Unknown
  • Scratch-resistant glass
Camera and Video
Camera and Video — specifications for JAM, A8i.
SpecificationJAMA8i
Rear camera, main
  • 1.3 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 1.3 MP
  • 5 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for JAM, A8i.
SpecificationJAMA8i
Processor CPU
  • Intel PXA272 416 MHz
Unknown
General specs
General specs — specifications for JAM, A8i.
SpecificationJAMA8i
Release date
  • 2004
  • Q4
  • 2010
  • August
Colors
  • Stylish black and silver
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
  • 130 EUR
Battery life
  • Stand by time- Up to 180 h Talking time- Up to 3 h 30 min
  • Stand by time- Up to 260 h (2G) / Up to 260 h (3G) Talking time- Up to 5 h (2G) / Up to 7 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for JAM, A8i.
SpecificationJAMA8i
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • TD-SCDMA
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
  • microUSB 2.0
Bluetooth
  • Yes
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for JAM, A8i.
SpecificationJAMA8i
Radio
  • No
  • Stereo FM radio
  • RDS
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for JAM, A8i.
SpecificationJAMA8i
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.
  • Sensors Accelerometer
  • proximity
  • compass - CMMB mobile TV -MP4/H.264/WMV player -MP3/eAAC+/WMA/WAV player -TrackID music recognition -Predictive text input - For China