LG Optimus Black (White version) vs Sony Xperia U

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.

  • Width

    Xperia U: 10 mm narrower

    Optimus Black (White version):
    64 mm
    Xperia U:
    54 mm
  • Screen diagonal

    Xperia U: 0.5 in smaller diagonal

    Optimus Black (White version):
    4 in
    Xperia U:
    3.5 in
  • Depth

    Optimus Black (White version): 2.8 mm thinner

    Optimus Black (White version):
    9.2 mm
    Xperia U:
    12 mm
  • Height

    Xperia U: 10 mm shorter

    Optimus Black (White version):
    122 mm
    Xperia U:
    112 mm
  • Release year

    Optimus Black (White version):
    2011
    Xperia U:
    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. Optimus Black (White version)

    Height:
    122 mm +10 mm versus Xperia U
    Width:
    64 mm +10 mm versus Xperia U
    Depth:
    9.2 mm
  2. 2. Xperia U

    Height:
    112 mm
    Width:
    54 mm
    Depth:
    12 mm +2.8 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

  2. 2. Xperia U

    110 g

    +1 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. Xperia U

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

Optimus Black (White version) has approximately 34.9% more rectangular screen area than Xperia U.

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

Xperia U: Original memory entry

8 GB (4 GB user available) · 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. Xperia U

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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

    +180 mAh versus Xperia U

  2. 2. Xperia U

    1320 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. Xperia U

Everyday essentials
Everyday essentials — specifications for Optimus Black (White version), Xperia U.
SpecificationOptimus Black (White version)Xperia U
Dimensions (HxWxD)
  • 122 Х 64 Х 9.2 mm
  • 112 Х 54 Х 12 mm
Weight
  • 109 g
  • 110 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4" inch
  • 3.5" inch
Screen resolution
  • 480 x 800 px
  • 480 x 854 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 (4 GB user available)
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1320 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
  • Android 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Chipset
  • TI OMAP 3630
  • NovaThor U8500
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Optimus Black (White version), Xperia U.
SpecificationOptimus Black (White version)Xperia U
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 33.8 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 58.3%
  • 55.8%
PPI /points per inch/
  • 233 PPI
  • 280 PPI
Screen protection
  • Corning Gorilla Glass
  • Scratch-resistant glass
Camera and Video
Camera and Video — specifications for Optimus Black (White version), Xperia U.
SpecificationOptimus Black (White version)Xperia U
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
Video
  • 720p@30fps
  • 720p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2 MP
  • VGA
Performance

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

Performance — specifications for Optimus Black (White version), Xperia U.
SpecificationOptimus Black (White version)Xperia U
Processor CPU
  • 1.0 GHz Cortex-A8
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU
  • PowerVR SGX530
  • Mali-400
Antutu 7 score * Unknown
  • 9020
GeekBench 4 Single Core * Unknown
  • 275
GeekBench 4 Multi-Core * Unknown
  • 493
General specs
General specs — specifications for Optimus Black (White version), Xperia U.
SpecificationOptimus Black (White version)Xperia U
Release date
  • 2011
  • July
  • 2012
  • February
Colors
  • White
  • Black
  • White/ exchangeable bottom caps in white
  • Pink
  • Yellow
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 140 EUR
Battery life Unknown
  • Stand by time- Up to 260 h (2G) / Up to 472 h (3G) Talking time- Up to 6 h 36 min (2G) / Up to 5 h 36 min (3G) Music play - Up to 45 h
Communication and Connectivity
Communication and Connectivity — specifications for Optimus Black (White version), Xperia U.
SpecificationOptimus Black (White version)Xperia U
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA 14.4/5.76 Mbps
GPRS
  • Up to 48 kbps
  • Up to 107 kbps
Edge
  • Up to 237 kbps
  • Up to 296 kbps
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • DLNA
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.1
  • A2DP
  • EDR
  • 2.1
  • A2DP
  • EDR
Harmful irradiation
  • SAR EU - 1.27 W/kg (head)
  • SAR - 1.09 W/kg (head) 0.93 W/kg (body) SAR EU - 1.62 W/kg (head)
Music and Audio
Music and Audio — specifications for Optimus Black (White version), Xperia U.
SpecificationOptimus Black (White version)Xperia U
Radio
  • Stereo FM radio
  • RDS
  • Stereo FM radio
  • RDS
Others Unknown
  • Sony 3D surround sound audio technology -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Optimus Black (White version), Xperia U.
SpecificationOptimus Black (White version)Xperia U
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
  • proximity
  • compass - Previously known as Sony Ericsson ST25i Kumquat