LG Optimus Black (White version) vs Xolo LT900

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 Black (White version): 31 g lighter

    Optimus Black (White version):
    109 g
    LT900:
    140 g
  • Width

    Optimus Black (White version): 2 mm narrower

    Optimus Black (White version):
    64 mm
    LT900:
    66 mm
  • Screen diagonal

    Optimus Black (White version): 0.3 in smaller diagonal

    Optimus Black (White version):
    4 in
    LT900:
    4.3 in
  • Chipset

    Optimus Black (White version):
    TI OMAP 3630
    LT900:
    Qualcomm MSM8960 Snapdragon S4 Plus
  • Depth

    Optimus Black (White version): 0.6 mm thinner

    Optimus Black (White version):
    9.2 mm
    LT900:
    9.8 mm
  • Height

    Optimus Black (White version): 6.7 mm shorter

    Optimus Black (White version):
    122 mm
    LT900:
    128.7 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
    Width:
    64 mm
    Depth:
    9.2 mm
  2. 2. LT900

    Height:
    128.7 mm +6.7 mm versus Optimus Black (White version)
    Width:
    66 mm +2 mm versus Optimus Black (White version)
    Depth:
    9.8 mm +0.6 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

  2. 2. LT900

    140 g

    +31 g versus Optimus Black (White version)

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. LT900

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    51 cm²

LT900 has approximately 11.9% more rectangular screen area than Optimus Black (White version).

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 Optimus Black (White version), LT900, compared at the same storage capacity.
StorageOptimus Black (White version)LT900
8 GB Unknown 1 GB RAM
Optimus Black (White version): Original memory entry

2 GB · 512 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 Black (White version)

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

2. LT900

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

  2. 2. LT900

    1810 mAh

    +310 mAh versus Optimus Black (White version)

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. LT900

Everyday essentials
Everyday essentials — specifications for Optimus Black (White version), LT900.
SpecificationOptimus Black (White version)LT900
Dimensions (HxWxD)
  • 122 Х 64 Х 9.2 mm
  • 128.7 Х 66 Х 9.8 mm
Weight
  • 109 g
  • 140 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4" inch
  • 4.3" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 2 GB
  • 512 MB RAM
  • 8 GB
  • 1 GB 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.
  • 1500 mAh
  • Removable Li-Ion
  • 1810 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
  • Android 4.2 (Jelly Bean)
Chipset
  • TI OMAP 3630
  • Qualcomm MSM8960 Snapdragon S4 Plus
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Optimus Black (White version), LT900.
SpecificationOptimus Black (White version)LT900
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 45.5 cm2
  • 51.0 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 58.3%
  • 60.0%
PPI /points per inch/
  • 233 PPI
  • 342 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for Optimus Black (White version), LT900.
SpecificationOptimus Black (White version)LT900
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • Dual-LED flash
  • panorama
  • HDR
Video
  • 720p@30fps
  • 720p
Front camera, selfie
  • 2 MP
  • Single
  • 1 MP
  • Single
Specifications
  • 2 MP
  • 1 MP
Performance
Performance — specifications for Optimus Black (White version), LT900.
SpecificationOptimus Black (White version)LT900
Processor CPU
  • 1.0 GHz Cortex-A8
  • Dual-core 1.5 GHz Krait
Graphics processor GPU
  • PowerVR SGX530
  • Adreno 225
General specs
General specs — specifications for Optimus Black (White version), LT900.
SpecificationOptimus Black (White version)LT900
Release date
  • 2011
  • July
  • 2013
  • October
Colors
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 190 EUR
Battery life Unknown
  • Stand by time- Up to 362 h (2G) / Up to 301 h (3G) Talking time- Up to 15 h (2G) / Up to 14 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Optimus Black (White version), LT900.
SpecificationOptimus Black (White version)LT900
SIM card
  • Mini-SIM
  • Yes
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 2100 -4G - LTE band 40(2300)
Speed
  • HSPA 7.2/5.76 Mbps
  • LTE
GPRS
  • Up to 48 kbps
  • Yes
Edge
  • Up to 237 kbps
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • EDR
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 1.27 W/kg (head)
  • SAR EU - 0.60 W/kg (head) 0.53 W/kg (body)
Music and Audio
Music and Audio — specifications for Optimus Black (White version), LT900.
SpecificationOptimus Black (White version)LT900
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Other features
Other features — specifications for Optimus Black (White version), LT900.
SpecificationOptimus Black (White version)LT900
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
  • gyro
  • proximity
  • compass - For India