Lava X3 vs Lenovo K7

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.

  • Screen diagonal

    X3: 1.09 in smaller diagonal

    X3:
    5 in
    K7:
    6.09 in
  • Rear camera layout

    X3:
    Single
    K7:
    Triple
  • Release year

    X3:
    2016
    K7:
    2020

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. X3

    Height:
    144 mm
    Width:
    72 mm
    Depth:
    8.5 mm
    Weight:
    142 g
  2. 2. K7

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

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. X3

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. K7

    Screen diagonal:
    6.09 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    92.6 cm²

K7 has approximately 34.3% more rectangular screen area than X3.

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 X3, K7, compared at the same storage capacity.
StorageX3K7
8 GB 2 GB RAM Unknown

Practical features

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

1. X3

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. K7

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (uses shared SIM 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. X3

    2500 mAh

  2. 2. K7

    4000 mAh

    +1500 mAh versus X3

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. X32. K7

Everyday essentials
Everyday essentials — specifications for X3, K7.
SpecificationX3K7
Dimensions (HxWxD)
  • 144 Х 72 Х 8.5 mm
  • Х Х mm
Weight
  • 142 g
  • 0 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 6.09" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 2 GB RAM
Unknown
Memory card support
  • microSD
  • up to 32 GB
  • microSDXC (uses shared SIM slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 10.0
Chipset Unknown
  • Unisoc SC9863A (28nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X3, K7.
SpecificationX3K7
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 92.6 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 66.5%
Unknown
PPI /points per inch/
  • 294 PPI
  • 276 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for X3, K7.
SpecificationX3K7
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Triple
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • (wide)
  • PDAF -2 MP
  • (depth)
Functions
  • LED flash
  • panorama
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 5 MP
  • 5 MP
Performance
Performance — specifications for X3, K7.
SpecificationX3K7
Processor CPU
  • Quad-core 1.3 GHz
  • Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
Graphics processor GPU Unknown
  • IMG8322
General specs
General specs — specifications for X3, K7.
SpecificationX3K7
Release date
  • 2016
  • January
  • 2020
  • April 13
Colors
  • White/Silver
  • Blue/Black
  • White/Gold
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 100 EUR
Unknown
Battery life
  • Stand by time- Up to 182 h Talking time- Up to 11 h 30 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for X3, K7.
SpecificationX3K7
SIM card
  • Dual SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
Speed
  • HSPA
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • Yes
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for X3, K7.
SpecificationX3K7
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for X3, K7.
SpecificationX3K7
Dop
  • Sensors Accelerometer
  • proximity - For India
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - Preliminary specifications