LG Optimus 3D P920 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: 52 g lighter

    Optimus 3D P920:
    168 g
    Astro JR:
    116 g
  • Width

    Astro JR: 5.2 mm narrower

    Optimus 3D P920:
    68 mm
    Astro JR:
    62.8 mm
  • Screen diagonal

    Astro JR: 0.8 in smaller diagonal

    Optimus 3D P920:
    4.3 in
    Astro JR:
    3.5 in
  • Chipset

    Optimus 3D P920:
    TI OMAP 4430
    Astro JR:
    Mediatek MT6572M (28 nm)
  • Depth

    Astro JR: 0.5 mm thinner

    Optimus 3D P920:
    11.9 mm
    Astro JR:
    11.4 mm
  • Height

    Astro JR: 9.8 mm shorter

    Optimus 3D P920:
    128.8 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. Optimus 3D P920

    Height:
    128.8 mm +9.8 mm versus Astro JR
    Width:
    68 mm +5.2 mm versus Astro JR
    Depth:
    11.9 mm +0.5 mm versus Astro JR
  2. 2. Astro JR

    Height:
    119 mm
    Width:
    62.8 mm
    Depth:
    11.4 mm

Weight

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

  1. 1. Optimus 3D P920

    168 g

    +52 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. Optimus 3D P920

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

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

Optimus 3D P920 has approximately 44.3% 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.

Optimus 3D P920: Original memory entry

8 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. Optimus 3D P920

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. Optimus 3D P920

    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. Optimus 3D P9202. Astro JR

Everyday essentials
Everyday essentials — specifications for Optimus 3D P920, Astro JR.
SpecificationOptimus 3D P920Astro JR
Dimensions (HxWxD)
  • 128.8 Х 68 Х 11.9 mm
  • 119 Х 62.8 Х 11.4 mm
Weight
  • 168 g
  • 116 g
Technology
  • 3D LCD
Unknown
Screen size
  • 4.3" 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.
  • 8 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
  • Removable Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • 2.3
  • upgradable to 4.0 (Ice Cream Sandwich)
  • Android 4.2.2 (Jelly Bean)
Chipset
  • TI OMAP 4430
  • Mediatek MT6572M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Optimus 3D P920, Astro JR.
SpecificationOptimus 3D P920Astro JR
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 52.6 cm2
  • 36.5 cm2
Screen format
  • 5:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 60.1%
  • 48.8%
PPI /points per inch/
  • 217 PPI
  • 165 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for Optimus 3D P920, Astro JR.
SpecificationOptimus 3D P920Astro JR
Rear camera, main
  • 5 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 5 MP
  • AF -5 MP
  • AF
  • 2 MP
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps (2D)
  • 720p@30fps (3D)
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Performance
Performance — specifications for Optimus 3D P920, Astro JR.
SpecificationOptimus 3D P920Astro JR
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Dual-core 1.0 GHz Cortex-A7
Graphics processor GPU
  • PowerVR SGX540
  • Mali-400
General specs
General specs — specifications for Optimus 3D P920, Astro JR.
SpecificationOptimus 3D P920Astro JR
Release date
  • 2011
  • January
  • 2014
  • September
Colors
  • Black
  • White
  • Black
  • White
  • Blue
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 190 EUR
Unknown
Battery life
  • Stand by time- Up to 450 h Talking time- Up to 13 h (2G) / Up to 9 h (3G)
  • Stand by time- Up to 180 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for Optimus 3D P920, Astro JR.
SpecificationOptimus 3D P920Astro JR
SIM card
  • Mini-SIM
  • Dual SIM (dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA 21.1/5.76 Mbps (req. SW update)
Unknown
GPRS
  • Class 10
  • Class 12
Edge
  • Class 10
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 2.1
  • A2DP
  • EDR
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.55 W/kg (head) 1.12 W/kg (body) SAR EU - 0.37 W/kg (head) 0.56 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Optimus 3D P920, Astro JR.
SpecificationOptimus 3D P920Astro JR
Radio
  • No
  • FM radio
Other features
Other features — specifications for Optimus 3D P920, Astro JR.
SpecificationOptimus 3D P920Astro JR
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - HDMI port -MP4/DivX/XviD/H.264/WMV player -3D/2D video editor -MP3/WAV/WMA/eAAC+ player -Document viewer/editor -Organizer -Voice memo/dial/commands -Predictive text input
  • Sensors Accelerometer