Celkon A40 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: 10.5 g lighter

    A40:
    126.5 g
    Astro JR:
    116 g
  • Width

    Astro JR: 1.2 mm narrower

    A40:
    64 mm
    Astro JR:
    62.8 mm
  • Screen diagonal

    Astro JR: 0.5 in smaller diagonal

    A40:
    4 in
    Astro JR:
    3.5 in
  • Depth

    A40: 0.6 mm thinner

    A40:
    10.8 mm
    Astro JR:
    11.4 mm
  • Height

    Astro JR: 7.2 mm shorter

    A40:
    126.2 mm
    Astro JR:
    119 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. A40

    Height:
    126.2 mm +7.2 mm versus Astro JR
    Width:
    64 mm +1.2 mm versus Astro JR
    Depth:
    10.8 mm
  2. 2. Astro JR

    Height:
    119 mm
    Width:
    62.8 mm
    Depth:
    11.4 mm +0.6 mm versus A40

Weight

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

  1. 1. A40

    126.5 g

    +10.5 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. A40

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

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

A40 has approximately 24.8% 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.

A40: 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. A40

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. A40

    1500 mAh

    +200 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. A402. Astro JR

Everyday essentials
Everyday essentials — specifications for A40, Astro JR.
SpecificationA40Astro JR
Dimensions (HxWxD)
  • 126.2 Х 64 Х 10.8 mm
  • 119 Х 62.8 Х 11.4 mm
Weight
  • 126.5 g
  • 116 g
Technology
  • TFT
Unknown
Screen size
  • 4" 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.
  • 1500 mAh
  • Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 4.2.2 (Jelly Bean)
Chipset Unknown
  • Mediatek MT6572M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A40, Astro JR.
SpecificationA40Astro JR
Touchscreen
  • touchscreen
  • capacitive touchscreen
Screen area
  • 45.5 cm2
  • 36.5 cm2
Screen format
  • 5:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 56.4%
  • 48.8%
PPI /points per inch/
  • 233 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for A40, Astro JR.
SpecificationA40Astro JR
Rear camera, main
  • 5 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 5 MP
  • 2 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
Unknown
Performance
Performance — specifications for A40, Astro JR.
SpecificationA40Astro JR
Processor CPU
  • Dual-core 1.3 GHz
  • Dual-core 1.0 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400
General specs
General specs — specifications for A40, Astro JR.
SpecificationA40Astro JR
Release date
  • 2014
  • January
  • 2014
  • September
Colors
  • White
  • Yellow
  • Blue
  • Black
  • White
  • Blue
  • Red
Battery life Unknown
  • Stand by time- Up to 180 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for A40, Astro JR.
SpecificationA40Astro JR
SIM card
  • Dual SIM
  • Dual SIM (dual stand-by)
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
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 2.0
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for A40, Astro JR.
SpecificationA40Astro JR
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A40, Astro JR.
SpecificationA40Astro JR
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer