Eten M550 vs Maxwest Astro JR

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

    Astro JR: 49 g lighter

    M550:
    165 g
    Astro JR:
    116 g
  • Width

    M550: 1.8 mm narrower

    M550:
    61 mm
    Astro JR:
    62.8 mm
  • Screen diagonal

    M550: 0.7 in smaller diagonal

    M550:
    2.8 in
    Astro JR:
    3.5 in
  • Depth

    Astro JR: 10.6 mm thinner

    M550:
    22 mm
    Astro JR:
    11.4 mm
  • Height

    M550: 7 mm shorter

    M550:
    112 mm
    Astro JR:
    119 mm
  • Release year

    M550:
    2006
    Astro JR:
    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. M550

    Height:
    112 mm
    Width:
    61 mm
    Depth:
    22 mm +10.6 mm versus Astro JR
  2. 2. Astro JR

    Height:
    119 mm +7 mm versus M550
    Width:
    62.8 mm +1.8 mm versus M550
    Depth:
    11.4 mm

Weight

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

  1. 1. M550

    165 g

    +49 g versus Astro JR

  2. 2. Astro JR

    116 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. M550

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

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

Astro JR has approximately 50.2% more rectangular screen area than M550.

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.

M550: Original memory entry

64 MB RAM · 128 MB ROM

Astro JR: Original memory entry

256 MB + 512 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. M550

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SD/SDIO

2. Astro JR

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. M550

    1440 mAh

    +140 mAh versus Astro JR

  2. 2. Astro JR

    1300 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. M5502. Astro JR

Everyday essentials
Everyday essentials — specifications for M550, Astro JR.
SpecificationM550Astro JR
Dimensions (HxWxD)
  • 112 Х 61 Х 22 mm
  • 119 Х 62.8 Х 11.4 mm
Weight
  • 165 g
  • 116 g
Technology
  • TFT
Unknown
Screen size
  • 2.8" inch
  • 3.5" inch
Screen resolution
  • 240 x 320 px
  • 320 x 480 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
  • 256 MB + 512 MB
Memory card support
  • SD/SDIO
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1440 mAh
  • Removable Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 4.2.2 (Jelly Bean)
Chipset Unknown
  • Mediatek MT6572M (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for M550, Astro JR.
SpecificationM550Astro JR
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 24.3 cm2
  • 36.5 cm2
Screen format
  • 4:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 35.5%
  • 48.8%
PPI /points per inch/
  • 143 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for M550, Astro JR.
SpecificationM550Astro JR
Rear camera, main
  • 1.3 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 1.3 MP
  • 2 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Performance
Performance — specifications for M550, Astro JR.
SpecificationM550Astro JR
Processor CPU
  • Samsung 2440 400 MHz
  • Dual-core 1.0 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400
General specs
General specs — specifications for M550, Astro JR.
SpecificationM550Astro JR
Release date
  • 2006
  • April
  • 2014
  • September
Colors
  • White
  • Black
  • White
  • Blue
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
Unknown
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 4 h
  • Stand by time- Up to 180 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for M550, Astro JR.
SpecificationM550Astro JR
SIM card
  • Mini-SIM
  • Dual SIM (dual stand-by)
GPRS
  • Class 10
  • Class 12
Edge
  • No
  • Class 12
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
  • Yes
USB
  • Proprietary
  • microUSB
Bluetooth
  • 1.2
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for M550, Astro JR.
SpecificationM550Astro JR
Radio
  • No
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for M550, Astro JR.
SpecificationM550Astro JR
Dop
  • Pocket Office -eBook reader -Windows MPlayer 10 -Organizer -Voice memo
  • Sensors Accelerometer