Lava Z91 vs Lenovo K800

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

    Z91: 14 g lighter

    Z91:
    147 g
    K800:
    161 g
  • Width

    K800: 1.7 mm narrower

    Z91:
    72.9 mm
    K800:
    71.2 mm
  • Screen diagonal

    K800: 1.2 in smaller diagonal

    Z91:
    5.7 in
    K800:
    4.5 in
  • Chipset

    Z91:
    Mediatek MT6739 (28 nm)
    K800:
    Intel Atom Z2460
  • Depth

    Z91: 3.3 mm thinner

    Z91:
    7.7 mm
    K800:
    11 mm
  • Height

    K800: 21.5 mm shorter

    Z91:
    152 mm
    K800:
    130.5 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. Z91

    Height:
    152 mm +21.5 mm versus K800
    Width:
    72.9 mm +1.7 mm versus K800
    Depth:
    7.7 mm
  2. 2. K800

    Height:
    130.5 mm
    Width:
    71.2 mm
    Depth:
    11 mm +3.3 mm versus Z91

Weight

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

  1. 1. Z91

    147 g

  2. 2. K800

    161 g

    +14 g versus Z91

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. Z91

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²
  2. 2. K800

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

Z91 has approximately 50.2% more rectangular screen area than K800.

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 Z91, K800, compared at the same storage capacity.
StorageZ91K800
16 GB Not recorded 1 GB RAM
32 GB 3 GB RAM Not recorded

Practical features

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

1. Z91

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (dedicated slot)

2. K800

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. Z91

    3000 mAh

    +1100 mAh versus K800

  2. 2. K800

    1900 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. Z912. K800

Everyday essentials
Everyday essentials — specifications for Z91, K800.
SpecificationZ91K800
Dimensions (HxWxD)
  • 152 Х 72.9 Х 7.7 mm
  • 130.5 Х 71.2 Х 11 mm
Weight
  • 147 g
  • 161 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.7" inch
  • 4.5" 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
  • 1 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
  • 1900 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.1 (Nougat)
  • Android 2.3.7 (Gingerbread)
Chipset
  • Mediatek MT6739 (28 nm)
  • Intel Atom Z2460
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z91, K800.
SpecificationZ91K800
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 55.8 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 75.7%
  • 60.1%
PPI /points per inch/
  • 282 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for Z91, K800.
SpecificationZ91K800
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1.12µm
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • Dual-LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.2
Unknown
Performance

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

Performance — specifications for Z91, K800.
SpecificationZ91K800
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • 1.6 GHz
Graphics processor GPU
  • PowerVR GE8100
  • PowerVR SGX540
Antutu 7 score *
  • 35722
Unknown
General specs
General specs — specifications for Z91, K800.
SpecificationZ91K800
Release date
  • 2018
  • March
  • 2012
  • January
Colors
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 10000 INR
  • 190 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Z91, K800.
SpecificationZ91K800
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 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for Z91, K800.
SpecificationZ91K800
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Z91, K800.
SpecificationZ91K800
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India
  • Sensors Accelerometer
  • proximity
  • compass - MP4/WMV/H.264 player -MP3/WAV/WMA/eAAC+ player -Organizer -Photo/video editor -Document viewer -Voice memo/dial/commands -Predictive text input