Lava Z81 vs Xiaomi Redmi Note

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: 58 g lighter

    Z81:
    141 g
    Redmi Note:
    199 g
  • Width

    Z81: 5.7 mm narrower

    Z81:
    73 mm
    Redmi Note:
    78.7 mm
  • Screen diagonal

    Redmi Note: 0.2 in smaller diagonal

    Z81:
    5.7 in
    Redmi Note:
    5.5 in
  • Chipset

    Z81:
    Mediatek MT6761 Helio A22 (12 nm)
    Redmi Note:
    Mediatek MT6592 (28 nm)
  • Depth

    Z81: 1.6 mm thinner

    Z81:
    7.9 mm
    Redmi Note:
    9.5 mm
  • Release year

    Z81:
    2018
    Redmi Note:
    2014

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

    Height:
    154 mm
    Width:
    78.7 mm +5.7 mm versus Z81
    Depth:
    9.5 mm +1.6 mm versus Z81

Weight

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

  1. 1. Z81

    141 g

  2. 2. Redmi Note

    199 g

    +58 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

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Z81: Original memory entry

32 GB · 3 GB RAM 16 GB · 2 GB RAM

Redmi Note: Original memory entry

8 GB · 1/2 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

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. Z81

    3000 mAh

  2. 2. Redmi Note

    3100 mAh

    +100 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

Everyday essentials
Everyday essentials — specifications for Z81, Redmi Note.
SpecificationZ81Redmi Note
Dimensions (HxWxD)
  • 152.2 Х 73 Х 7.9 mm
  • 154 Х 78.7 Х 9.5 mm
Weight
  • 141 g
  • 199 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.7" inch
  • 5.5" 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
  • 8 GB
  • 1/2 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
  • 3100 mAh
  • Removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • Android 4.2 (Jelly Bean)
  • upgradable to 4.4.4 (KitKat); MIUI 9.2
Chipset
  • Mediatek MT6761 Helio A22 (12 nm)
  • Mediatek MT6592 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z81, Redmi Note.
SpecificationZ81Redmi Note
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 83.4 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 75.5%
  • 68.8%
PPI /points per inch/
  • 282 PPI
  • 267 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Z81, Redmi Note.
SpecificationZ81Redmi Note
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • 13 MP
  • f/2.2
  • 28mm (wide)
  • AF
Functions
  • LED flash
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 13 MP
  • f/2.0
  • 5 MP
Performance

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

Performance — specifications for Z81, Redmi Note.
SpecificationZ81Redmi Note
Processor CPU
  • Quad-core 2.0 GHz Cortex-A53
  • Octa-core 1.4/1.7 GHz Cortex-A7
Graphics processor GPU
  • PowerVR GE8320
  • Mali-450MP4
Antutu 7 score *
  • 55328
  • 65210
General specs
General specs — specifications for Z81, Redmi Note.
SpecificationZ81Redmi Note
Release date
  • 2018
  • October
  • 2014
  • March
Colors
  • black/blue
  • Gold/Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 120 EUR
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Z81, Redmi Note.
SpecificationZ81Redmi Note
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)
  • 8(900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 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 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Z81, Redmi Note.
SpecificationZ81Redmi Note
Radio
  • FM radio
  • FM radio
  • recording
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Z81, Redmi Note.
SpecificationZ81Redmi Note
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass