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Lava X81 vs LG U

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    U: 23 g lighter

    X81:
    158 g
    U:
    135 g
  • Width

    X81: 1.4 mm narrower

    X81:
    71.8 mm
    U:
    73.2 mm
  • Screen diagonal

    U: 0.3 in smaller diagonal

    X81:
    5.5 in
    U:
    5.2 in
  • Depth

    U: 1.2 mm thinner

    X81:
    8.9 mm
    U:
    7.7 mm
  • Height

    U: 7.4 mm shorter

    X81:
    155 mm
    U:
    147.6 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. X81

    Height:
    155 mm +7.4 mm versus U
    Width:
    71.8 mm
    Depth:
    8.9 mm +1.2 mm versus U
  2. 2. U

    Height:
    147.6 mm
    Width:
    73.2 mm +1.4 mm versus X81
    Depth:
    7.7 mm

Weight

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

  1. 1. X81

    158 g

    +23 g versus U

  2. 2. U

    135 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. X81

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. U

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

X81 has approximately 11.9% more rectangular screen area than 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.

Recorded RAM for X81, U, compared at the same storage capacity.
StorageX81U
32 GB Recorded for all phones 2 GB RAM 2 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. X81

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

2. U

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

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. X81

    2800 mAh

  2. 2. U

    3000 mAh

    +200 mAh versus X81

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. X812. U

Everyday essentials
Everyday essentials — specifications for X81, U.
SpecificationX81U
Dimensions (HxWxD)
  • 155 Х 71.8 Х 8.9 mm
  • 147.6 Х 73.2 Х 7.7 mm
Weight
  • 158 g
  • 135 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5.2" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 2 GB RAM
  • 32 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2800 mAh
  • Removable Li-Po
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • upgradable to 6.0 (Marshmallow)
  • Android 6.0 (Marshmallow)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X81, U.
SpecificationX81U
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 74.5 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 74.9%
  • 69.0%
PPI /points per inch/
  • 267 PPI
  • 424 PPI
Camera and Video
Camera and Video — specifications for X81, U.
SpecificationX81U
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • AF
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • 8 MP
Performance

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

Performance — specifications for X81, U.
SpecificationX81U
Processor CPU
  • Quad-core
  • Octa-core 1.14 GHz
Antutu 7 score *
  • 29391
Unknown
General specs
General specs — specifications for X81, U.
SpecificationX81U
Release date
  • 2016
  • November
  • 2016
  • October
Colors
  • Blue
  • White
  • Black
  • Pink
Communication and Connectivity
Communication and Connectivity — specifications for X81, U.
SpecificationX81U
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Nano-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 40(2300)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
Speed
  • HSPA
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for X81, U.
SpecificationX81U
Radio
  • FM radio
  • No
Other features
Other features — specifications for X81, U.
SpecificationX81U
Dop
  • Sensors Accelerometer
  • proximity - For India
  • Sensors Accelerometer
  • proximity
  • compass