Karbonn A30 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: 164 g lighter

    A30:
    280 g
    Astro JR:
    116 g
  • Width

    Astro JR: 28.2 mm narrower

    A30:
    91 mm
    Astro JR:
    62.8 mm
  • Screen diagonal

    Astro JR: 2.4 in smaller diagonal

    A30:
    5.9 in
    Astro JR:
    3.5 in
  • Depth

    A30: 0.7 mm thinner

    A30:
    10.7 mm
    Astro JR:
    11.4 mm
  • Height

    Astro JR: 47 mm shorter

    A30:
    166 mm
    Astro JR:
    119 mm
  • Release year

    A30:
    2012
    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. A30

    Height:
    166 mm +47 mm versus Astro JR
    Width:
    91 mm +28.2 mm versus Astro JR
    Depth:
    10.7 mm
  2. 2. Astro JR

    Height:
    119 mm
    Width:
    62.8 mm
    Depth:
    11.4 mm +0.7 mm versus A30

Weight

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

  1. 1. A30

    280 g

    +164 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. A30

    Screen diagonal:
    5.9 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    99.1 cm²
  2. 2. Astro JR

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

A30 has approximately 171.6% more rectangular screen area than Astro JR.

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.

A30: Original memory entry

4 GB · 512 MB RAM

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. A30

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

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. A30

    2500 mAh

    +1200 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. A302. Astro JR

Everyday essentials
Everyday essentials — specifications for A30, Astro JR.
SpecificationA30Astro JR
Dimensions (HxWxD)
  • 166 Х 91 Х 10.7 mm
  • 119 Х 62.8 Х 11.4 mm
Weight
  • 280 g
  • 116 g
Technology
  • TFT
Unknown
Screen size
  • 5.9" inch
  • 3.5" inch
Screen resolution
  • 480 x 800 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 256 MB + 512 MB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0.4 (Ice Cream Sandwich)
  • Android 4.2.2 (Jelly Bean)
Chipset Unknown
  • Mediatek MT6572M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A30, Astro JR.
SpecificationA30Astro JR
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
Unknown
Screen area
  • 99.1 cm2
  • 36.5 cm2
Screen format
  • 5:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 65.6%
  • 48.8%
PPI /points per inch/
  • 158 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for A30, Astro JR.
SpecificationA30Astro JR
Rear camera, main
  • 8 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 2 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 1.3 MP
Unknown
Performance
Performance — specifications for A30, Astro JR.
SpecificationA30Astro JR
Processor CPU
  • Dual-core 1.0 GHz
  • Dual-core 1.0 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400
General specs
General specs — specifications for A30, Astro JR.
SpecificationA30Astro JR
Release date
  • 2012
  • 2014
  • September
Colors
  • Black/White
  • Black
  • White
  • Blue
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
Unknown
Battery life
  • Stand by time- Up to 600 h Talking time- Up to 10 h
  • Stand by time- Up to 180 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for A30, Astro JR.
SpecificationA30Astro JR
SIM card
  • Dual SIM (Mini-SIM)
  • Dual SIM (dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA 7.2/0.384 Mbps
Unknown
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 2.0
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.46 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for A30, Astro JR.
SpecificationA30Astro JR
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A30, Astro JR.
SpecificationA30Astro JR
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer