Lava Z40 vs Samsung Gravity SMART

Compare recorded specifications, size and practical differences.

+ Add a third phone

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: 10 g lighter

    Z40:
    120 g
    Gravity SMART:
    130 g
  • Width

    Gravity SMART: 4.9 mm narrower

    Z40:
    63.9 mm
    Gravity SMART:
    59 mm
  • Screen diagonal

    Gravity SMART: 0.8 in smaller diagonal

    Z40:
    4 in
    Gravity SMART:
    3.2 in
  • Depth

    Z40: 2.3 mm thinner

    Z40:
    11.7 mm
    Gravity SMART:
    14 mm
  • Height

    Gravity SMART: 11.5 mm shorter

    Z40:
    125.5 mm
    Gravity SMART:
    114 mm
  • Release year

    Z40:
    2019
    Gravity SMART:
    2011

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 +11.5 mm versus Gravity SMART
    Width:
    63.9 mm +4.9 mm versus Gravity SMART
    Depth:
    11.7 mm
  2. 2. Gravity SMART

    Height:
    114 mm
    Width:
    59 mm
    Depth:
    14 mm +2.3 mm versus Z40

Weight

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

  1. 1. Z40

    120 g

  2. 2. Gravity SMART

    130 g

    +10 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. Gravity SMART

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    30.5 cm²

Z40 has approximately 49.4% more rectangular screen area than Gravity SMART.

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, Gravity SMART, compared at the same storage capacity.
StorageZ40Gravity SMART
8 GB 1 GB RAM Unknown
Gravity SMART: Original memory entry

150 MB · 270 MB 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. Z40

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

2. Gravity SMART

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

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

    +750 mAh versus Gravity SMART

  2. 2. Gravity SMART

    1500 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. Gravity SMART

Everyday essentials
Everyday essentials — specifications for Z40, Gravity SMART.
SpecificationZ40Gravity SMART
Dimensions (HxWxD)
  • 125.5 Х 63.9 Х 11.7 mm
  • 114 Х 59 Х 14 mm
Weight
  • 120 g
  • 130 g
Technology
  • TN TFT
  • TFT
Screen size
  • 4" inch
  • 3.2" inch
Screen resolution
  • 480 x 800 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 150 MB
  • 270 MB RAM
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 2250 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 2.2 (Froyo)
Chipset
  • Unisoc SC9832E
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z40, Gravity SMART.
SpecificationZ40Gravity SMART
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 30.5 cm2
Screen format
  • 5:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 56.8%
  • 45.3%
PPI /points per inch/
  • 233 PPI
  • 180 PPI
Screen protection
  • Corning Gorilla Glass (unspecified version)
Unknown
Camera and Video
Camera and Video — specifications for Z40, Gravity SMART.
SpecificationZ40Gravity SMART
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • 320p@14fps
Front camera, selfie
  • 2 MP
  • Single
  • 0 MP,
Specifications
  • 2 MP
Unknown
Performance
Performance — specifications for Z40, Gravity SMART.
SpecificationZ40Gravity SMART
Processor CPU
  • Quad-core 1.4 GHz
  • 800 MHz ARMv6
Graphics processor GPU
  • Mali
Unknown
General specs
General specs — specifications for Z40, Gravity SMART.
SpecificationZ40Gravity SMART
Release date
  • 2019
  • March
  • 2011
  • June
Colors
  • Gold
  • Glossy Black
  • Black/Red
  • Black/Green
  • Lunar Grey
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 3500 INR
  • 170 EUR
Battery life Unknown
  • Stand by time- Up to 364 h Talking time- Up to 5 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Z40, Gravity SMART.
SpecificationZ40Gravity SMART
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-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
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 3.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.47 W/kg (head) 1.05 W/kg (body) SAR EU - 0.19 W/kg (head)
Music and Audio
Music and Audio — specifications for Z40, Gravity SMART.
SpecificationZ40Gravity SMART
Radio
  • FM radio
  • No
Other features
Other features — specifications for Z40, Gravity SMART.
SpecificationZ40Gravity SMART
Dop
  • Sensors Accelerometer For India
  • Sensors Accelerometer
  • proximity - MP4/H.264 player -MP3/WAV/AAC+ player -Organizer -Photo/video editor -Document viewer -Voice memo -Predictive text input (Swype) - For T-Mobile. Also known as Samsung Gravity Touch 2
  • Samsung Smart
  • Samsung GT2
  • Samsung SGH-T589
  • Samsung Galaxy Q