Lava Iris X8 vs Panasonic P91

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

    Iris X8: 1.4 mm narrower

    Iris X8:
    71 mm
    P91:
    72.4 mm
  • Depth

    Iris X8: 1.5 mm thinner

    Iris X8:
    8.6 mm
    P91:
    10.1 mm
  • Release year

    Iris X8:
    2015
    P91:
    2017

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. P91

    Height:
    144.7 mm
    Width:
    72.4 mm +1.4 mm versus Iris X8
    Depth:
    10.1 mm +1.5 mm versus Iris X8

Weight

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

  1. 1. Iris X8

    160 g

  2. 2. P91

    161 g

    +1 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. P91

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

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 Iris X8, P91, compared at the same storage capacity.
StorageIris X8P91
16 GB Unknown 1 GB RAM
Iris X8: Original memory entry

8 GB · 1 GB 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. P91

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (dedicated slot)

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. P91

    2500 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. Iris X82. P91

Everyday essentials
Everyday essentials — specifications for Iris X8, P91.
SpecificationIris X8P91
Dimensions (HxWxD)
  • 143.4 Х 71 Х 8.6 mm
  • 144.7 Х 72.4 Х 10.1 mm
Weight
  • 160 g
  • 161 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 5" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 854 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
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 128 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Non-removable Li-Po
  • 2500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • upgradable to 5.1 (Lollipop)
  • Android 7.0 (Nougat)
Chipset Unknown
  • Mediatek MT6737M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Iris X8, P91.
SpecificationIris X8P91
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 67.7%
  • 65.8%
PPI /points per inch/
  • 294 PPI
  • 196 PPI
Screen protection
  • Asahi Dragontrail Glass
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for Iris X8, P91.
SpecificationIris X8P91
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 3 MP
  • 5 MP
Performance

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

Performance — specifications for Iris X8, P91.
SpecificationIris X8P91
Processor CPU
  • Octa-core 1.4 GHz Cortex-A7
  • Quad-core 1.1 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-T720
Antutu 7 score * Unknown
  • 32153
GeekBench 4 Single Core * Unknown
  • 436
GeekBench 4 Multi-Core * Unknown
  • 1241
General specs
General specs — specifications for Iris X8, P91.
SpecificationIris X8P91
Release date
  • 2015
  • February
  • 2017
  • November
Colors
  • Black
  • White
  • Gold
  • Black
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • 6500 INR
Battery life
  • Stand by time- Up to 291 h Talking time- Up to 14 h (2G) / Up to 9 h 40 min (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Iris X8, P91.
SpecificationIris X8P91
SIM card
  • Dual SIM
  • Dual SIM (Micro-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 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 40(2300)
Speed
  • HSPA
  • HSPA
  • 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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Iris X8, P91.
SpecificationIris X8P91
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Iris X8, P91.
SpecificationIris X8P91
Dop
  • Sensors Accelerometer
  • proximity - For India
  • Sensors Accelerometer
  • proximity
  • Infrared port - For India