Lava Z40 vs LG Q8 2018

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

    Z40: 26 g lighter

    Z40:
    120 g
    Q8 2018:
    146 g
  • Width

    Z40: 8 mm narrower

    Z40:
    63.9 mm
    Q8 2018:
    71.9 mm
  • Screen diagonal

    Z40: 1.2 in smaller diagonal

    Z40:
    4 in
    Q8 2018:
    5.2 in
  • Chipset

    Z40:
    Unisoc SC9832E
    Q8 2018:
    Qualcomm MSM8996 Snapdragon 820 (14 nm)
  • Rear camera layout

    Z40:
    Single
    Q8 2018:
    Dual
  • Depth

    Q8 2018: 3.7 mm thinner

    Z40:
    11.7 mm
    Q8 2018:
    8 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. Z40

    Height:
    125.5 mm
    Width:
    63.9 mm
    Depth:
    11.7 mm +3.7 mm versus Q8 2018
  2. 2. Q8 2018

    Height:
    149 mm +23.5 mm versus Z40
    Width:
    71.9 mm +8 mm versus Z40
    Depth:
    8 mm

Weight

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

  1. 1. Z40

    120 g

  2. 2. Q8 2018

    146 g

    +26 g versus Z40

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. Z40

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Q8 2018

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

Q8 2018 has approximately 63.7% more rectangular screen area than Z40.

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 Z40, Q8 2018, compared at the same storage capacity.
StorageZ40Q8 2018
8 GB 1 GB RAM Unknown
Q8 2018: Original memory entry

32 GB · 512GB 4GB

Practical features

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

1. Z40

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

2. Q8 2018

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (dedicated slot) - single-SIM modelmicroSD · up to 512 GB (uses SIM 2 slot) - d

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. Z40

    2250 mAh

  2. 2. Q8 2018

    3000 mAh

    +750 mAh versus Z40

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. Z402. Q8 2018

Everyday essentials
Everyday essentials — specifications for Z40, Q8 2018.
SpecificationZ40Q8 2018
Dimensions (HxWxD)
  • 125.5 Х 63.9 Х 11.7 mm
  • 149 Х 71.9 Х 8 mm
Weight
  • 120 g
  • 146 g
Technology
  • TN TFT
  • IPS LCD
Screen size
  • 4" inch
  • 5.2" inch
Screen resolution
  • 480 x 800 px
  • 1440 x 2560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 32 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 512 GB (dedicated slot) - single-SIM modelmicroSD
  • up to 512 GB (uses SIM 2 slot) - d
Battery Capacity is not battery life. No endurance test is implied.
  • 2250 mAh
  • Removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 7.0 (Nougat)
Chipset
  • Unisoc SC9832E
  • Qualcomm MSM8996 Snapdragon 820 (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z40, Q8 2018.
SpecificationZ40Q8 2018
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 74.8 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.8%
  • 69.8%
PPI /points per inch/
  • 233 PPI
  • 564 PPI
Screen protection
  • Corning Gorilla Glass (unspecified version)
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for Z40, Q8 2018.
SpecificationZ40Q8 2018
Rear camera, main
  • 2 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 2 MP
  • 16 MP
  • f/1.8
  • 28mm (wide)
  • 1/2.6''
  • laser AF
  • 3-axis OIS -8 MP
  • f/2.4
  • 10mm
  • 1/4''
  • no AF
Functions
  • LED flash
  • Dual-LED flash
  • panorama
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 2 MP
  • 5 MP
  • f/1.9
  • 1/5''
  • 1.12µm
Performance

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

Performance — specifications for Z40, Q8 2018.
SpecificationZ40Q8 2018
Processor CPU
  • Quad-core 1.4 GHz
  • Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)
Graphics processor GPU
  • Mali
  • Adreno 530
Antutu 7 score * Unknown
  • 58302
General specs
General specs — specifications for Z40, Q8 2018.
SpecificationZ40Q8 2018
Release date
  • 2019
  • March
  • 2017
  • July
Colors
  • Gold
  • Glossy Black
  • Titan
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 3500 INR
  • 250 EUR
Body build Unknown
  • Front glass
  • aluminum body
  • plastic ends
Communication and Connectivity
Communication and Connectivity — specifications for Z40, Q8 2018.
SpecificationZ40Q8 2018
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Nano-SIM)Hybrid 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)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
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
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Z40, Q8 2018.
SpecificationZ40Q8 2018
Radio
  • FM radio
  • FM radio
  • RDS
Others Unknown
  • Secondary display
  • 160 x 1040 pixels
  • 1.8 inches -Always-on display
  • 32-bit/192kHz audio -24-bit/192kHz audio recording -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Z40, Q8 2018.
SpecificationZ40Q8 2018
Dop
  • Sensors Accelerometer For India
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging (Quick Charge 3.0) - IP67 dust/water resistant (up to 1m for 30 mins) - Versions: H970 (Europe)