i-mate K-JAM vs Xolo A42

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

    K-JAM: 5.5 mm narrower

    K-JAM:
    58 mm
    A42:
    63.5 mm
  • Screen diagonal

    K-JAM: 1.2 in smaller diagonal

    K-JAM:
    2.8 in
    A42:
    4 in
  • Depth

    A42: 13.5 mm thinner

    K-JAM:
    23.7 mm
    A42:
    10.2 mm
  • Height

    K-JAM: 16.5 mm shorter

    K-JAM:
    108 mm
    A42:
    124.5 mm
  • Release year

    K-JAM:
    2005
    A42:
    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. K-JAM

    Height:
    108 mm
    Width:
    58 mm
    Depth:
    23.7 mm +13.5 mm versus A42
    Weight:
    160 g
  2. 2. A42

    Height:
    124.5 mm +16.5 mm versus K-JAM
    Width:
    63.5 mm +5.5 mm versus K-JAM
    Depth:
    10.2 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. K-JAM

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. A42

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

A42 has approximately 87.6% more rectangular screen area than K-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.

K-JAM: Original memory entry

64 MB RAM · 128 MB ROM

A42: 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. K-JAM

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

2. A42

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

    1250 mAh

  2. 2. A42

    1400 mAh

    +150 mAh versus K-JAM

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. K-JAM2. A42

Everyday essentials
Everyday essentials — specifications for K-JAM, A42.
SpecificationK-JAMA42
Dimensions (HxWxD)
  • 108 Х 58 Х 23.7 mm
  • 124.5 Х 63.5 Х 10.2 mm
Weight
  • 160 g
  • 0 g
Technology
  • TFT
  • IPS LCD
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
  • miniSD
  • up to 2 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1250 mAh
  • Removable Li-Po
  • 1400 mAh
  • Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 4.2.2 (Jelly Bean)
Chipset
  • TI OMAP 850
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for K-JAM, A42.
SpecificationK-JAMA42
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 45.5 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 38.8%
  • 57.6%
PPI /points per inch/
  • 143 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for K-JAM, A42.
SpecificationK-JAMA42
Rear camera, main
  • 1.3 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 1.3 MP
  • 5 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 1.3 MP
  • Single
Specifications Unknown
  • 1.3 MP
Performance
Performance — specifications for K-JAM, A42.
SpecificationK-JAMA42
Processor CPU
  • 200 MHz ARM926EJ-S
  • Dual-core 1.3 GHz
General specs
General specs — specifications for K-JAM, A42.
SpecificationK-JAMA42
Release date
  • 2005
  • September
  • 2014
  • July
Colors
  • Stylish black
  • Yellow
  • Blue
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
  • 80 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 5 h
  • Stand by time- Up to 180 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for K-JAM, A42.
SpecificationK-JAMA42
SIM card
  • Mini-SIM
  • Dual SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 - 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
Bluetooth
  • 2.0
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.69 W/kg (head) 0.71 W/kg (body)
Music and Audio
Music and Audio — specifications for K-JAM, A42.
SpecificationK-JAMA42
Radio
  • No
  • FM radio
Other features
Other features — specifications for K-JAM, A42.
SpecificationK-JAMA42
Dop
  • Infrared port - Microsoft ActiveSync -Pocket Office -MP3/AAC player - Produced by HTC. Functionally identical to Qtek 9100
  • O2 XDA mini S
  • T-Mobile MDA Vario
  • Sensors Accelerometer
  • proximity