BLU J4 vs LG Optimus 3D Max P720

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

    Optimus 3D Max P720: 10 g lighter

    J4:
    158 g
    Optimus 3D Max P720:
    148 g
  • Width

    Optimus 3D Max P720: 4.9 mm narrower

    J4:
    72.3 mm
    Optimus 3D Max P720:
    67.4 mm
  • Screen diagonal

    Optimus 3D Max P720: 1.2 in smaller diagonal

    J4:
    5.5 in
    Optimus 3D Max P720:
    4.3 in
  • Height

    Optimus 3D Max P720: 24.2 mm shorter

    J4:
    151 mm
    Optimus 3D Max P720:
    126.8 mm
  • Release year

    J4:
    2019
    Optimus 3D Max P720:
    2012

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. J4

    Height:
    151 mm +24.2 mm versus Optimus 3D Max P720
    Width:
    72.3 mm +4.9 mm versus Optimus 3D Max P720
    Depth:
    10 mm
  2. 2. Optimus 3D Max P720

    Height:
    126.8 mm
    Width:
    67.4 mm
    Depth:
    9.6 mm

Weight

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

  1. 1. J4

    158 g

    +10 g versus Optimus 3D Max P720

  2. 2. Optimus 3D Max P720

    148 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. J4

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²
  2. 2. Optimus 3D Max P720

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

J4 has approximately 48.3% more rectangular screen area than Optimus 3D Max P720.

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 J4, Optimus 3D Max P720, compared at the same storage capacity.
StorageJ4Optimus 3D Max P720
32 GB 1 GB RAM Unknown
Optimus 3D Max P720: Original memory entry

8 GB (5.3 GB user available) · 1 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. J4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC

2. Optimus 3D Max P720

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

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. J4

    2200 mAh

    +680 mAh versus Optimus 3D Max P720

  2. 2. Optimus 3D Max P720

    1520 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. J42. Optimus 3D Max P720

Everyday essentials
Everyday essentials — specifications for J4, Optimus 3D Max P720.
SpecificationJ4Optimus 3D Max P720
Dimensions (HxWxD)
  • 151 Х 72.3 Х 10 mm
  • 126.8 Х 67.4 Х 9.6 mm
Weight
  • 158 g
  • 148 g
Technology
  • IPS LCD
  • 3D LCD
Screen size
  • 5.5" inch
  • 4.3" inch
Screen resolution
  • 720 x 1440 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 8 GB (5.3 GB user available)
  • 1 GB RAM
Memory card support
  • microSDXC
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2200 mAh
  • Removable Li-Po
  • 1520 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Chipset Unknown
  • TI OMAP 4430
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J4, Optimus 3D Max P720.
SpecificationJ4Optimus 3D Max P720
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 52.6 cm2
Screen format
  • 18:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 71.5%
  • 61.6%
PPI /points per inch/
  • 293 PPI
  • 217 PPI
Screen protection Unknown
  • Corning Gorilla Glass 2
Camera and Video
Camera and Video — specifications for J4, Optimus 3D Max P720.
SpecificationJ4Optimus 3D Max P720
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
  • AF -5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • 1080p@30fps (2D)
  • 720p@30fps (3D)
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • VGA
Performance
Performance — specifications for J4, Optimus 3D Max P720.
SpecificationJ4Optimus 3D Max P720
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Dual-core 1.2 GHz Cortex-A9
Graphics processor GPU
  • Mali-400
  • PowerVR SGX540
General specs
General specs — specifications for J4, Optimus 3D Max P720.
SpecificationJ4Optimus 3D Max P720
Release date
  • 2019
  • October
  • 2012
  • February
Colors
  • Blue
  • Black
  • Brown
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 230 EUR
Battery life Unknown
  • Stand by time- Up to 450 h Talking time- Up to 8 h
Communication and Connectivity
Communication and Connectivity — specifications for J4, Optimus 3D Max P720.
SpecificationJ4Optimus 3D Max P720
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0 (MHL TV-out)
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 3.0
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for J4, Optimus 3D Max P720.
SpecificationJ4Optimus 3D Max P720
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Other features
Other features — specifications for J4, Optimus 3D Max P720.
SpecificationJ4Optimus 3D Max P720
Dop
  • Sensors Accelerometer For USA
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - MP4/DivX/XviD/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -3D/2D image/video editor -HD Converter (games
  • apps) -2D to 3D apps converter -Document viewer/editor -Organizer -Voice memo/dial/commands -Predictive text input