BLU Vivo Air vs Lava X81

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.

  • Display technology

    OLED versus LCD

    Vivo Air:
    OLED
    X81:
    LCD
  • Weight

    Vivo Air: 61 g lighter

    Vivo Air:
    97 g
    X81:
    158 g
  • Width

    Vivo Air: 4.4 mm narrower

    Vivo Air:
    67.4 mm
    X81:
    71.8 mm
  • Screen diagonal

    Vivo Air: 0.7 in smaller diagonal

    Vivo Air:
    4.8 in
    X81:
    5.5 in
  • Depth

    Vivo Air: 3.8 mm thinner

    Vivo Air:
    5.1 mm
    X81:
    8.9 mm
  • Height

    Vivo Air: 15.2 mm shorter

    Vivo Air:
    139.8 mm
    X81:
    155 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. Vivo Air

    Height:
    139.8 mm
    Width:
    67.4 mm
    Depth:
    5.1 mm
  2. 2. X81

    Height:
    155 mm +15.2 mm versus Vivo Air
    Width:
    71.8 mm +4.4 mm versus Vivo Air
    Depth:
    8.9 mm +3.8 mm versus Vivo Air

Weight

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

  1. 1. Vivo Air

    97 g

  2. 2. X81

    158 g

    +61 g versus Vivo Air

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. Vivo Air

    Screen diagonal:
    4.8 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    63.5 cm²
  2. 2. X81

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

X81 has approximately 31.3% more rectangular screen area than Vivo Air.

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 Vivo Air, X81, compared at the same storage capacity.
StorageVivo AirX81
16 GB 1 GB RAM Not recorded
32 GB Not recorded 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. Vivo Air

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

2. X81

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

    2100 mAh

  2. 2. X81

    2800 mAh

    +700 mAh versus Vivo Air

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. Vivo Air2. X81

Everyday essentials
Everyday essentials — specifications for Vivo Air, X81.
SpecificationVivo AirX81
Dimensions (HxWxD)
  • 139.8 Х 67.4 Х 5.1 mm
  • 155 Х 71.8 Х 8.9 mm
Weight
  • 97 g
  • 158 g
Technology
  • AMOLED
  • IPS LCD
Screen size
  • 4.8" inch
  • 5.5" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 32 GB
  • 2 GB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2100 mAh
  • Non-removable Li-Ion
  • 2800 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 5.1 (Lollipop)
  • upgradable to 6.0 (Marshmallow)
Chipset
  • Mediatek MT6592 (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Vivo Air, X81.
SpecificationVivo AirX81
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 63.5 cm2
  • 83.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 67.4%
  • 74.9%
PPI /points per inch/
  • 306 PPI
  • 267 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Vivo Air, X81.
SpecificationVivo AirX81
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 5 MP
  • 5 MP
Performance

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

Performance — specifications for Vivo Air, X81.
SpecificationVivo AirX81
Processor CPU
  • Octa-core 1.7 GHz Cortex-A7
  • Quad-core
Graphics processor GPU
  • Mali-450MP4
Unknown
Antutu 7 score * Unknown
  • 29391
General specs
General specs — specifications for Vivo Air, X81.
SpecificationVivo AirX81
Release date
  • 2015
  • January
  • 2016
  • November
Colors
  • Black
  • White/Gold
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 190 EUR
Unknown
Battery life
  • Stand by time- Up to 750 h (2G) / Up to 675 h (3G) Talking time- Up to 24 h (2G) / Up to 12 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Vivo Air, X81.
SpecificationVivo AirX81
SIM card
  • Micro-SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 40(2300)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
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
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Vivo Air, X81.
SpecificationVivo AirX81
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Vivo Air, X81.
SpecificationVivo AirX81
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity - For India