Lava Z91 vs Nokia 7 plus

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

    Z91: 36 g lighter

    Z91:
    147 g
    7 plus:
    183 g
  • Width

    Z91: 2.7 mm narrower

    Z91:
    72.9 mm
    7 plus:
    75.6 mm
  • Screen diagonal

    Z91: 0.3 in smaller diagonal

    Z91:
    5.7 in
    7 plus:
    6 in
  • Chipset

    Z91:
    Mediatek MT6739 (28 nm)
    7 plus:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Rear camera layout

    Z91:
    Single
    7 plus:
    Dual
  • Height

    Z91: 6.4 mm shorter

    Z91:
    152 mm
    7 plus:
    158.4 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
    Width:
    72.9 mm
    Depth:
    7.7 mm
  2. 2. 7 plus

    Height:
    158.4 mm +6.4 mm versus Z91
    Width:
    75.6 mm +2.7 mm versus Z91
    Depth:
    8 mm

Weight

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

  1. 1. Z91

    147 g

  2. 2. 7 plus

    183 g

    +36 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. 7 plus

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.9 cm²

7 plus has approximately 10.8% more rectangular screen area than Z91.

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, 7 plus, compared at the same storage capacity.
StorageZ917 plus
32 GB 3 GB RAM Unknown
7 plus: Original memory entry

64 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. Z91

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

2. 7 plus

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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

  2. 2. 7 plus

    3800 mAh

    +800 mAh versus Z91

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. 7 plus

Everyday essentials
Everyday essentials — specifications for Z91, 7 plus.
SpecificationZ917 plus
Dimensions (HxWxD)
  • 152 Х 72.9 Х 7.7 mm
  • 158.4 Х 75.6 Х 8 mm
Weight
  • 147 g
  • 183 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.7" inch
  • 6" inch
Screen resolution
  • 720 x 1440 px
  • 1080 x 2160 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 3800 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 7.1 (Nougat)
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); Android One
Chipset
  • Mediatek MT6739 (28 nm)
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z91, 7 plus.
SpecificationZ917 plus
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 92.4 cm2
Screen format
  • 18:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 75.7%
  • 77.2%
PPI /points per inch/
  • 282 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Z91, 7 plus.
SpecificationZ917 plus
Rear camera, main
  • 13 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 13 MP
  • f/2.0
  • 1.12µm
  • AF
  • 12 MP
  • f/1.8
  • 25mm (wide)
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF -13 MP
  • f/2.6
  • 1/3.4''
  • 1.0µm
  • 2x optical zoom
  • AF
Functions
  • LED flash
  • Zeiss optics
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 8 MP
  • f/2.2
  • 16 MP
  • f/2.0
  • 1/3.1''
  • 1.0µm
Performance

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

Performance — specifications for Z91, 7 plus.
SpecificationZ917 plus
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • PowerVR GE8100
  • Adreno 512
Antutu 7 score *
  • 35722
  • 141725
GeekBench 4 Single Core * Unknown
  • 1620
GeekBench 4 Multi-Core * Unknown
  • 5706
GeekBench 4 RenderScript * Unknown
  • 5641
GeekBench 5 Single Core * Unknown
  • 333
GeekBench 5 Multi-Core * Unknown
  • 1391
General specs
General specs — specifications for Z91, 7 plus.
SpecificationZ917 plus
Release date
  • 2018
  • March
  • 2018
  • February
Colors
  • Blue
  • Black/Copper
  • White/Copper
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 10000 INR
  • 280 EUR
Battery life Unknown
  • Stand by time- Up to 723 h (3G) Talking time- Up to 19 h (3G) Music play - Up to 126 h
Body build Unknown
  • Front glass
  • aluminum body (6000 series) with copper edges
Communication and Connectivity
Communication and Connectivity — specifications for Z91, 7 plus.
SpecificationZ917 plus
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • 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 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO - China -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500) - Global LTE band 1(2100)
  • 4(1700/2100)
  • 34(2000)
  • 39(1900)
  • 41(2500) - China
Speed
  • HSPA 42.2/5.76 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 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.36 W/kg (head) 1.78 W/kg (body)
Music and Audio
Music and Audio — specifications for Z91, 7 plus.
SpecificationZ917 plus
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Z91, 7 plus.
SpecificationZ917 plus
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (18W
  • 9V/2A)