Lava Z40 vs LG Class

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: 30 g lighter

    Z40:
    120 g
    Class:
    150 g
  • Width

    Z40: 7.9 mm narrower

    Z40:
    63.9 mm
    Class:
    71.8 mm
  • Screen diagonal

    Z40: 1 in smaller diagonal

    Z40:
    4 in
    Class:
    5 in
  • Chipset

    Z40:
    Unisoc SC9832E
    Class:
    Qualcomm MSM8916 Snapdragon 410 (28 nm)
  • Depth

    Class: 4.3 mm thinner

    Z40:
    11.7 mm
    Class:
    7.4 mm
  • Height

    Z40: 16.5 mm shorter

    Z40:
    125.5 mm
    Class:
    142 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 +4.3 mm versus Class
  2. 2. Class

    Height:
    142 mm +16.5 mm versus Z40
    Width:
    71.8 mm +7.9 mm versus Z40
    Depth:
    7.4 mm

Weight

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

  1. 1. Z40

    120 g

  2. 2. Class

    150 g

    +30 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. Class

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

Class has approximately 51.3% 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, Class, compared at the same storage capacity.
StorageZ40Class
8 GB 1 GB RAM Unknown
Class: Original memory entry

16 GB · 1.5 GB RAM (H650E) · 2 GB RAM (F620S)

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. Class

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot) - F620SmicroSD · up to 32 GB (dedicated slot) - H650E

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

    +200 mAh versus Class

  2. 2. Class

    2050 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. Z402. Class

Everyday essentials
Everyday essentials — specifications for Z40, Class.
SpecificationZ40Class
Dimensions (HxWxD)
  • 125.5 Х 63.9 Х 11.7 mm
  • 142 Х 71.8 Х 7.4 mm
Weight
  • 120 g
  • 150 g
Technology
  • TN TFT
  • IPS LCD
Screen size
  • 4" inch
  • 5" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 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
  • 1.5 GB RAM (H650E)
  • 2 GB RAM (F620S)
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 256 GB (dedicated slot) - F620SmicroSD
  • up to 32 GB (dedicated slot) - H650E
Battery Capacity is not battery life. No endurance test is implied.
  • 2250 mAh
  • Removable Li-Ion
  • 2050 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 5.1.1 (Lollipop)
  • upgradаble to 6.0 (Marshmallow)
Chipset
  • Unisoc SC9832E
  • Qualcomm MSM8916 Snapdragon 410 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z40, Class.
SpecificationZ40Class
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 68.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.8%
  • 67.6%
PPI /points per inch/
  • 233 PPI
  • 294 PPI
Screen protection
  • Corning Gorilla Glass (unspecified version)
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Z40, Class.
SpecificationZ40Class
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • 1/3''
  • AF
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 2 MP
  • 8 MP
Performance
Performance — specifications for Z40, Class.
SpecificationZ40Class
Processor CPU
  • Quad-core 1.4 GHz
  • Quad-core 1.2 GHz Cortex-A53
Graphics processor GPU
  • Mali
  • Adreno 306
General specs
General specs — specifications for Z40, Class.
SpecificationZ40Class
Release date
  • 2019
  • March
  • 2015
  • September
Colors
  • Gold
  • Glossy Black
  • Gold
  • Silver
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 3500 INR
  • 190 EUR
Battery life Unknown
  • Stand by time- Up to 340 h (2G) / Up to 340 h (3G) Talking time- Up to 6 h (2G) / Up to 10 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Z40, Class.
SpecificationZ40Class
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Nano-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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - H650E
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Class 33
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.1
  • A2DP
Music and Audio
Music and Audio — specifications for Z40, Class.
SpecificationZ40Class
Radio
  • FM radio
  • FM radio
  • RDS
Other features
Other features — specifications for Z40, Class.
SpecificationZ40Class
Dop
  • Sensors Accelerometer For India
  • Sensors Accelerometer
  • proximity
  • compass - Also known as LG Class