LG Optimus Black (White version) vs Micromax A25

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

    A25: 7 g lighter

    Optimus Black (White version):
    109 g
    A25:
    102 g
  • Width

    A25: 8 mm narrower

    Optimus Black (White version):
    64 mm
    A25:
    56 mm
  • Screen diagonal

    A25: 1.2 in smaller diagonal

    Optimus Black (White version):
    4 in
    A25:
    2.8 in
  • Chipset

    Optimus Black (White version):
    TI OMAP 3630
    A25:
    Mediatek MT6515
  • Depth

    Optimus Black (White version): 3.8 mm thinner

    Optimus Black (White version):
    9.2 mm
    A25:
    13 mm
  • Height

    A25: 17.5 mm shorter

    Optimus Black (White version):
    122 mm
    A25:
    104.5 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 Black (White version)

    Height:
    122 mm +17.5 mm versus A25
    Width:
    64 mm +8 mm versus A25
    Depth:
    9.2 mm
  2. 2. A25

    Height:
    104.5 mm
    Width:
    56 mm
    Depth:
    13 mm +3.8 mm versus Optimus Black (White version)

Weight

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

  1. 1. Optimus Black (White version)

    109 g

    +7 g versus A25

  2. 2. A25

    102 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 Black (White version)

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. A25

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²

Optimus Black (White version) has approximately 87.6% more rectangular screen area than A25.

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 Black (White version): Original memory entry

2 GB · 512 MB RAM

A25: Original memory entry

256 MB RAM · 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 Black (White version)

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

2. A25

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 Black (White version)

    1500 mAh

    +220 mAh versus A25

  2. 2. A25

    1280 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 Black (White version)2. A25

Everyday essentials
Everyday essentials — specifications for Optimus Black (White version), A25.
SpecificationOptimus Black (White version)A25
Dimensions (HxWxD)
  • 122 Х 64 Х 9.2 mm
  • 104.5 Х 56 Х 13 mm
Weight
  • 109 g
  • 102 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4" inch
  • 2.8" inch
Screen resolution
  • 480 x 800 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 2 GB
  • 512 MB RAM
  • 256 MB RAM
  • 512 MB
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.
  • 1500 mAh
  • Removable Li-Ion
  • 1280 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
  • Android 2.3.6 (Gingerbread)
Chipset
  • TI OMAP 3630
  • Mediatek MT6515
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Optimus Black (White version), A25.
SpecificationOptimus Black (White version)A25
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 45.5 cm2
  • 24.3 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 58.3%
  • 41.5%
PPI /points per inch/
  • 233 PPI
  • 143 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for Optimus Black (White version), A25.
SpecificationOptimus Black (White version)A25
Rear camera, main
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0 MP,
Specifications
  • 2 MP
Unknown
Performance
Performance — specifications for Optimus Black (White version), A25.
SpecificationOptimus Black (White version)A25
Processor CPU
  • 1.0 GHz Cortex-A8
  • 1.0 GHz Cortex-A9
Graphics processor GPU
  • PowerVR SGX530
  • PowerVR SGX531
General specs
General specs — specifications for Optimus Black (White version), A25.
SpecificationOptimus Black (White version)A25
Release date
  • 2011
  • July
  • 2012
  • October
Colors
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 50 EUR
Battery life Unknown
  • Stand by time- Up to 180 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for Optimus Black (White version), A25.
SpecificationOptimus Black (White version)A25
SIM card
  • Mini-SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA 7.2/5.76 Mbps
Unknown
GPRS
  • Up to 48 kbps
  • Class 12
Edge
  • Up to 237 kbps
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • EDR
  • 2.1
Harmful irradiation
  • SAR EU - 1.27 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Optimus Black (White version), A25.
SpecificationOptimus Black (White version)A25
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Other features
Other features — specifications for Optimus Black (White version), A25.
SpecificationOptimus Black (White version)A25
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP4/DivX/Xvid/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Document viewer -Organizer -Voice memo/dial/commands -Predictive text input
  • Sensors Accelerometer