i-mate K-JAM vs Maxwest Astro X55

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

    K-JAM: 14 g lighter

    K-JAM:
    160 g
    Astro X55:
    174 g
  • Width

    K-JAM: 18.3 mm narrower

    K-JAM:
    58 mm
    Astro X55:
    76.3 mm
  • Screen diagonal

    K-JAM: 2.7 in smaller diagonal

    K-JAM:
    2.8 in
    Astro X55:
    5.5 in
  • Chipset

    K-JAM:
    TI OMAP 850
    Astro X55:
    Mediatek MT6580 (28 nm)
  • Depth

    Astro X55: 15.9 mm thinner

    K-JAM:
    23.7 mm
    Astro X55:
    7.8 mm
  • Height

    K-JAM: 42.5 mm shorter

    K-JAM:
    108 mm
    Astro X55:
    150.5 mm

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 +15.9 mm versus Astro X55
  2. 2. Astro X55

    Height:
    150.5 mm +42.5 mm versus K-JAM
    Width:
    76.3 mm +18.3 mm versus K-JAM
    Depth:
    7.8 mm

Weight

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

  1. 1. K-JAM

    160 g

  2. 2. Astro X55

    174 g

    +14 g versus K-JAM

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. Astro X55

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

Astro X55 has approximately 243.5% 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.

Recorded RAM for K-JAM, Astro X55, compared at the same storage capacity.
StorageK-JAMAstro X55
8 GB Unknown 1 GB RAM
K-JAM: 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. K-JAM

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

2. Astro X55

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. Astro X55

    2200 mAh

    +950 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. Astro X55

Everyday essentials
Everyday essentials — specifications for K-JAM, Astro X55.
SpecificationK-JAMAstro X55
Dimensions (HxWxD)
  • 108 Х 58 Х 23.7 mm
  • 150.5 Х 76.3 Х 7.8 mm
Weight
  • 160 g
  • 174 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 5.5" inch
Screen resolution
  • 240 x 320 px
  • 720 x 1280 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
  • 1 GB 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
  • 2200 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 5.1 (Lollipop)
Chipset
  • TI OMAP 850
  • Mediatek MT6580 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for K-JAM, Astro X55.
SpecificationK-JAMAstro X55
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 83.4 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 38.8%
  • 72.6%
PPI /points per inch/
  • 143 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for K-JAM, Astro X55.
SpecificationK-JAMAstro X55
Rear camera, main
  • 1.3 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 1.3 MP
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 720p
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
Performance
Performance — specifications for K-JAM, Astro X55.
SpecificationK-JAMAstro X55
Processor CPU
  • 200 MHz ARM926EJ-S
  • Quad-core 1.5 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400MP2
General specs
General specs — specifications for K-JAM, Astro X55.
SpecificationK-JAMAstro X55
Release date
  • 2005
  • September
  • 2016
  • January
Colors
  • Stylish black
  • Gold/White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
Unknown
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 5 h
  • Stand by time- Up to 350 h Talking time- Up to 14 h
Communication and Connectivity
Communication and Connectivity — specifications for K-JAM, Astro X55.
SpecificationK-JAMAstro X55
SIM card
  • Mini-SIM
  • Dual SIM (dual stand-by)
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 b/g/n
  • 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 K-JAM, Astro X55.
SpecificationK-JAMAstro X55
Radio
  • No
  • Stereo FM radio
Other features
Other features — specifications for K-JAM, Astro X55.
SpecificationK-JAMAstro X55
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