Lava Z81 vs Xiaomi Redmi Note 8

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

    Z81: 49 g lighter

    Z81:
    141 g
    Redmi Note 8:
    190 g
  • Width

    Z81: 2.3 mm narrower

    Z81:
    73 mm
    Redmi Note 8:
    75.3 mm
  • Screen diagonal

    Z81: 0.6 in smaller diagonal

    Z81:
    5.7 in
    Redmi Note 8:
    6.3 in
  • Chipset

    Z81:
    Mediatek MT6761 Helio A22 (12 nm)
    Redmi Note 8:
    Qualcomm SDM665 Snapdragon 665 (11 nm)
  • Rear camera layout

    Z81:
    Single
    Redmi Note 8:
    Quad
  • Depth

    Z81: 0.5 mm thinner

    Z81:
    7.9 mm
    Redmi Note 8:
    8.4 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. Z81

    Height:
    152.2 mm
    Width:
    73 mm
    Depth:
    7.9 mm
  2. 2. Redmi Note 8

    Height:
    158.3 mm +6.1 mm versus Z81
    Width:
    75.3 mm +2.3 mm versus Z81
    Depth:
    8.4 mm +0.5 mm versus Z81

Weight

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

  1. 1. Z81

    141 g

  2. 2. Redmi Note 8

    190 g

    +49 g versus Z81

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. Z81

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²
  2. 2. Redmi Note 8

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 cm²

Redmi Note 8 has approximately 16.2% more rectangular screen area than Z81.

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 Z81, Redmi Note 8, compared at the same storage capacity.
StorageZ81Redmi Note 8
32 GB Unknown 3 GB RAM
64 GB Unknown 4 / 6 GB RAM Alternative RAM configurations
128 GB Unknown 4 / 6 GB RAM Alternative RAM configurations
Z81: Original memory entry

32 GB · 3 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. Z81

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

2. Redmi Note 8

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Z81

    3000 mAh

  2. 2. Redmi Note 8

    4000 mAh

    +1000 mAh versus Z81

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. Z812. Redmi Note 8

Everyday essentials
Everyday essentials — specifications for Z81, Redmi Note 8.
SpecificationZ81Redmi Note 8
Dimensions (HxWxD)
  • 152.2 Х 73 Х 7.9 mm
  • 158.3 Х 75.3 Х 8.4 mm
Weight
  • 141 g
  • 190 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.7" inch
  • 6.3" inch
Screen resolution
  • 720 x 1440 px
  • 1080 x 2340 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
  • 32GB 3GB RAM
  • 64GB 4GB RAM
  • 64GB 6GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Mediatek MT6761 Helio A22 (12 nm)
  • Qualcomm SDM665 Snapdragon 665 (11 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z81, Redmi Note 8.
SpecificationZ81Redmi Note 8
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 97.4 cm2
Screen format
  • 18:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 75.5%
  • 81.7%
PPI /points per inch/
  • 282 PPI
  • 409 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Z81, Redmi Note 8.
SpecificationZ81Redmi Note 8
Rear camera, main
  • 13 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 13 MP
  • f/2.2
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4"
  • 1.12µm -2 MP
  • f/2.4
  • 1/5"
  • 1.75µm (dedicated macro camera) -2 MP
  • 1.75µm
  • depth sensor
Functions
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 13 MP
  • f/2.0
  • 13 MP
  • f/2.0
  • 1.12µm
Performance

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

Performance — specifications for Z81, Redmi Note 8.
SpecificationZ81Redmi Note 8
Processor CPU
  • Quad-core 2.0 GHz Cortex-A53
  • Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 610
Antutu 7 score *
  • 55328
  • 143740
GeekBench 4 Single Core * Unknown
  • 1499
GeekBench 4 Multi-Core * Unknown
  • 5543
Antutu 8 score * Unknown
  • 173592
GeekBench 5 Single Core * Unknown
  • 309
GeekBench 5 Multi-Core * Unknown
  • 1328
General specs
General specs — specifications for Z81, Redmi Note 8.
SpecificationZ81Redmi Note 8
Release date
  • 2018
  • October
  • 2019
  • August
Colors
  • black/blue
  • Gold/Black
  • Neptune Blue
  • Moonlight White
  • Space Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 190 EUR
Body build Unknown
  • Front/back glass (Gorilla Glass 5)
Communication and Connectivity
Communication and Connectivity — specifications for Z81, Redmi Note 8.
SpecificationZ81Redmi Note 8
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
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)
  • 8(900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 0.26 W/kg (head) 1.00 W/kg (body) SAR EU - 0.26 W/kg (head) 1.00 W/kg (body)
Music and Audio
Music and Audio — specifications for Z81, Redmi Note 8.
SpecificationZ81Redmi Note 8
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Z81, Redmi Note 8.
SpecificationZ81Redmi Note 8
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W