Lava Iris X8 vs vivo Y81

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

    Y81: 13.5 g lighter

    Iris X8:
    160 g
    Y81:
    146.5 g
  • Width

    Iris X8: 4 mm narrower

    Iris X8:
    71 mm
    Y81:
    75 mm
  • Screen diagonal

    Iris X8: 1.22 in smaller diagonal

    Iris X8:
    5 in
    Y81:
    6.22 in
  • Depth

    Y81: 0.8 mm thinner

    Iris X8:
    8.6 mm
    Y81:
    7.8 mm
  • Height

    Iris X8: 11.7 mm shorter

    Iris X8:
    143.4 mm
    Y81:
    155.1 mm
  • Release year

    Iris X8:
    2015
    Y81:
    2018

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. Iris X8

    Height:
    143.4 mm
    Width:
    71 mm
    Depth:
    8.6 mm +0.8 mm versus Y81
  2. 2. Y81

    Height:
    155.1 mm +11.7 mm versus Iris X8
    Width:
    75 mm +4 mm versus Iris X8
    Depth:
    7.8 mm

Weight

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

  1. 1. Iris X8

    160 g

    +13.5 g versus Y81

  2. 2. Y81

    146.5 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. Iris X8

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Y81

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 cm²

Y81 has approximately 40.1% more rectangular screen area than Iris X8.

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.

Iris X8: Original memory entry

8 GB · 1 GB RAM/ 16 GB · 2 GB RAM

Y81: Original memory entry

32 GB · 3/4 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. Iris X8

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

2. Y81

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. Iris X8

    2500 mAh

  2. 2. Y81

    3260 mAh

    +760 mAh versus Iris X8

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. Iris X82. Y81

Everyday essentials
Everyday essentials — specifications for Iris X8, Y81.
SpecificationIris X8Y81
Dimensions (HxWxD)
  • 143.4 Х 71 Х 8.6 mm
  • 155.1 Х 75 Х 7.8 mm
Weight
  • 160 g
  • 146.5 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 6.22" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM/ 16 GB
  • 2 GB RAM
  • 32 GB
  • 3/4 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Non-removable Li-Po
  • 3260 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • upgradable to 5.1 (Lollipop)
  • Android 8.1 (Oreo); Funtouch 4
Chipset Unknown
  • Mediatek MT6762 Helio P22 (12 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Iris X8, Y81.
SpecificationIris X8Y81
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 96.6 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 67.7%
  • 83.0%
PPI /points per inch/
  • 294 PPI
  • 270 PPI
Screen protection
  • Asahi Dragontrail Glass
  • Corning Gorilla Glass (unspecified version)
Camera and Video
Camera and Video — specifications for Iris X8, Y81.
SpecificationIris X8Y81
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 8 MP
  • 13 MP
  • f/2.2
  • PDAF
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 3 MP
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for Iris X8, Y81.
SpecificationIris X8Y81
Processor CPU
  • Octa-core 1.4 GHz Cortex-A7
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • PowerVR GE8320
Antutu 7 score * Unknown
  • 70154
General specs
General specs — specifications for Iris X8, Y81.
SpecificationIris X8Y81
Release date
  • 2015
  • February
  • 2018
  • June
Colors
  • Black
  • White
  • Black
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • 180 EUR
Battery life
  • Stand by time- Up to 291 h Talking time- Up to 14 h (2G) / Up to 9 h 40 min (3G)
Unknown
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Iris X8, Y81.
SpecificationIris X8Y81
SIM card
  • Dual SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • 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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Iris X8, Y81.
SpecificationIris X8Y81
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Iris X8, Y81.
SpecificationIris X8Y81
Dop
  • Sensors Accelerometer
  • proximity - For India
  • Sensors Fingerprint (rear-mounted) only 4 GB model; accelerometer
  • proximity
  • compass