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Lava Iris X8 vs Nokia 3.1 Plus

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

    Iris X8: 20 g lighter

    Iris X8:
    160 g
    3.1 Plus:
    180 g
  • Width

    Iris X8: 5.4 mm narrower

    Iris X8:
    71 mm
    3.1 Plus:
    76.4 mm
  • Screen diagonal

    Iris X8: 1 in smaller diagonal

    Iris X8:
    5 in
    3.1 Plus:
    6 in
  • Rear camera layout

    Iris X8:
    Single
    3.1 Plus:
    Dual
  • Height

    Iris X8: 13.5 mm shorter

    Iris X8:
    143.4 mm
    3.1 Plus:
    156.9 mm
  • Release year

    Iris X8:
    2015
    3.1 Plus:
    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
  2. 2. 3.1 Plus

    Height:
    156.9 mm +13.5 mm versus Iris X8
    Width:
    76.4 mm +5.4 mm versus Iris X8
    Depth:
    8.2 mm

Weight

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

  1. 1. Iris X8

    160 g

  2. 2. 3.1 Plus

    180 g

    +20 g versus Iris X8

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. 3.1 Plus

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.9 cm²

3.1 Plus has approximately 34.8% 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

3.1 Plus: Original memory entry

32 GB · 3 RAM 16 GB · 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. Iris X8

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

2. 3.1 Plus

NFC:
See details Yes (APAC & EMEA only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 400 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. 3.1 Plus

    3500 mAh

    +1000 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. 3.1 Plus

Everyday essentials
Everyday essentials — specifications for Iris X8, 3.1 Plus.
SpecificationIris X83.1 Plus
Dimensions (HxWxD)
  • 143.4 Х 71 Х 8.6 mm
  • 156.9 Х 76.4 Х 8.2 mm
Weight
  • 160 g
  • 180 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 6" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1440 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 RAM 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 400 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Non-removable Li-Po
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • upgradable to 5.1 (Lollipop)
  • Android 8.1 (Oreo)
  • planned upgrade to Android 9.0 (Pie); Android One
Chipset Unknown
  • Mediatek MT6762 Helio P22 (12 nm)
NFC Unknown
  • Yes (APAC & EMEA only)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Iris X8, 3.1 Plus.
SpecificationIris X83.1 Plus
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 92.9 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 67.7%
  • 77.5%
PPI /points per inch/
  • 294 PPI
  • 268 PPI
Screen protection
  • Asahi Dragontrail Glass
Unknown
Camera and Video
Camera and Video — specifications for Iris X8, 3.1 Plus.
SpecificationIris X83.1 Plus
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 8 MP
  • 13 MP
  • f/2.0
  • AF -5 MP
  • f/2.4
  • depth sensor
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • LED flash
  • HDR
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 3 MP
  • 8 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, 3.1 Plus.
SpecificationIris X83.1 Plus
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
  • 75202
General specs
General specs — specifications for Iris X8, 3.1 Plus.
SpecificationIris X83.1 Plus
Release date
  • 2015
  • February
  • 2018
  • October
Colors
  • Black
  • White
  • Blue
  • White
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • 150 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
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for Iris X8, 3.1 Plus.
SpecificationIris X83.1 Plus
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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
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
  • GLONASS
  • BDS
  • GALILEO
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 4.1
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.41 W/kg (head) 1.58 W/kg (body)
Music and Audio
Music and Audio — specifications for Iris X8, 3.1 Plus.
SpecificationIris X83.1 Plus
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Iris X8, 3.1 Plus.
SpecificationIris X83.1 Plus
Dop
  • Sensors Accelerometer
  • proximity - For India
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass