Lava Z91 vs Panasonic P66

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

    Z91: 8 g lighter

    Z91:
    147 g
    P66:
    155 g
  • Width

    P66: 2 mm narrower

    Z91:
    72.9 mm
    P66:
    70.9 mm
  • Screen diagonal

    P66: 0.7 in smaller diagonal

    Z91:
    5.7 in
    P66:
    5 in
  • Depth

    Z91: 0.7 mm thinner

    Z91:
    7.7 mm
    P66:
    8.4 mm
  • Height

    P66: 9.6 mm shorter

    Z91:
    152 mm
    P66:
    142.4 mm
  • Release year

    Z91:
    2018
    P66:
    2016

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. Z91

    Height:
    152 mm +9.6 mm versus P66
    Width:
    72.9 mm +2 mm versus P66
    Depth:
    7.7 mm
  2. 2. P66

    Height:
    142.4 mm
    Width:
    70.9 mm
    Depth:
    8.4 mm +0.7 mm versus Z91

Weight

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

  1. 1. Z91

    147 g

  2. 2. P66

    155 g

    +8 g versus Z91

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. Z91

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²
  2. 2. P66

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

Z91 has approximately 21.7% more rectangular screen area than P66.

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 Z91, P66, compared at the same storage capacity.
StorageZ91P66
16 GB Not recorded 2 GB RAM
32 GB 3 GB RAM Not recorded

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Z91

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

2. P66

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. Z91

    3000 mAh

  2. 2. P66

    3200 mAh

    +200 mAh versus Z91

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. Z912. P66

Everyday essentials
Everyday essentials — specifications for Z91, P66.
SpecificationZ91P66
Dimensions (HxWxD)
  • 152 Х 72.9 Х 7.7 mm
  • 142.4 Х 70.9 Х 8.4 mm
Weight
  • 147 g
  • 155 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.7" inch
  • 5" inch
Screen resolution
  • 720 x 1440 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 3200 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 7.1 (Nougat)
  • Android 5.1 (Lollipop)
Chipset
  • Mediatek MT6739 (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z91, P66.
SpecificationZ91P66
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 68.9 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 75.7%
  • 68.3%
PPI /points per inch/
  • 282 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for Z91, P66.
SpecificationZ91P66
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1.12µm
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 MP
  • f/2.2
  • 5 MP
Performance

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

Performance — specifications for Z91, P66.
SpecificationZ91P66
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Quad-core 1.3 GHz
Graphics processor GPU
  • PowerVR GE8100
Unknown
Antutu 7 score *
  • 35722
Unknown
GeekBench 4 Single Core * Unknown
  • 346
GeekBench 4 Multi-Core * Unknown
  • 1028
General specs
General specs — specifications for Z91, P66.
SpecificationZ91P66
Release date
  • 2018
  • March
  • 2016
  • February
Colors
  • Blue
  • Rose Gold
  • Russet Brown & Electric Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 10000 INR
  • 110 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Z91, P66.
SpecificationZ91P66
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • 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
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for Z91, P66.
SpecificationZ91P66
Radio
  • FM radio
  • FM radio
  • RDS
Other features
Other features — specifications for Z91, P66.
SpecificationZ91P66
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India
  • Sensors Accelerometer
  • proximity