LG Optimus L4 II E440 vs Micromax Bolt A51

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

    Bolt A51: 7 g lighter

    Optimus L4 II E440:
    125 g
    Bolt A51:
    118 g
  • Width

    Bolt A51: 2.2 mm narrower

    Optimus L4 II E440:
    64.7 mm
    Bolt A51:
    62.5 mm
  • Screen diagonal

    Bolt A51: 0.3 in smaller diagonal

    Optimus L4 II E440:
    3.8 in
    Bolt A51:
    3.5 in
  • Depth

    Optimus L4 II E440: 0.9 mm thinner

    Optimus L4 II E440:
    11.9 mm
    Bolt A51:
    12.8 mm
  • Height

    Optimus L4 II E440: 6 mm shorter

    Optimus L4 II E440:
    112.5 mm
    Bolt A51:
    118.5 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 L4 II E440

    Height:
    112.5 mm
    Width:
    64.7 mm +2.2 mm versus Bolt A51
    Depth:
    11.9 mm
  2. 2. Bolt A51

    Height:
    118.5 mm +6 mm versus Optimus L4 II E440
    Width:
    62.5 mm
    Depth:
    12.8 mm +0.9 mm versus Optimus L4 II E440

Weight

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

  1. 1. Optimus L4 II E440

    125 g

    +7 g versus Bolt A51

  2. 2. Bolt A51

    118 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 L4 II E440

    Screen diagonal:
    3.8 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    43 cm²
  2. 2. Bolt A51

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

Optimus L4 II E440 has approximately 17.9% more rectangular screen area than Bolt A51.

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 L4 II E440: Original memory entry

4 GB · 512 MB RAM

Bolt A51: Original memory entry

512 MB · 256 MB 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. Optimus L4 II E440

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

2. Bolt A51

NFC:
Unknown
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. Optimus L4 II E440

    1700 mAh

    +200 mAh versus Bolt A51

  2. 2. Bolt A51

    1500 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 L4 II E4402. Bolt A51

Everyday essentials
Everyday essentials — specifications for Optimus L4 II E440, Bolt A51.
SpecificationOptimus L4 II E440Bolt A51
Dimensions (HxWxD)
  • 112.5 Х 64.7 Х 11.9 mm
  • 118.5 Х 62.5 Х 12.8 mm
Weight
  • 125 g
  • 118 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 3.8" inch
  • 3.5" inch
Screen resolution
  • 320 x 480 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
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1700 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.1.2 (Jelly Bean)
  • Android 2.3.7 (Gingerbread)
Chipset
  • Mediatek MT6575 (40 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Optimus L4 II E440, Bolt A51.
SpecificationOptimus L4 II E440Bolt A51
Touchscreen
  • capacitive touchscreen
  • touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 43.0 cm2
  • 36.5 cm2
Screen format
  • 3:2 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 59.1%
  • 49.3%
PPI /points per inch/
  • 152 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for Optimus L4 II E440, Bolt A51.
SpecificationOptimus L4 II E440Bolt A51
Rear camera, main
  • 3.15 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.15 MP
  • 2 MP
Functions
  • LED flash
  • LED flash
Video
  • 480p@30fps
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Optimus L4 II E440, Bolt A51.
SpecificationOptimus L4 II E440Bolt A51
Processor CPU
  • 1.0 GHz Cortex-A9
  • 832 MHz
Graphics processor GPU
  • PowerVR SGX531
Unknown
Antutu 7 score *
  • 6300
Unknown
General specs
General specs — specifications for Optimus L4 II E440, Bolt A51.
SpecificationOptimus L4 II E440Bolt A51
Release date
  • 2013
  • June
  • 2013
  • April
Colors
  • Black
  • White
  • Black/Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 110 EUR
  • 70 EUR
Battery life
  • Stand by time- Up to 600 h Talking time- Up to 12 h 30 min
  • Stand by time- Up to 140 h Talking time- Up to 4 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Optimus L4 II E440, Bolt A51.
SpecificationOptimus L4 II E440Bolt A51
SIM card
  • Micro-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA
GPRS
  • Class 12
  • Class 12
Edge
  • Class 12
  • Class 32
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 3.0
  • A2DP
  • 3.0
Harmful irradiation
  • SAR EU - 0.64 W/kg (head) 0.60 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Optimus L4 II E440, Bolt A51.
SpecificationOptimus L4 II E440Bolt A51
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Optimus L4 II E440, Bolt A51.
SpecificationOptimus L4 II E440Bolt A51
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer