Huawei nova 4 vs Lava Z91

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: 25 g lighter

    nova 4:
    172 g
    Z91:
    147 g
  • Width

    Z91: 2.2 mm narrower

    nova 4:
    75.1 mm
    Z91:
    72.9 mm
  • Screen diagonal

    Z91: 0.7 in smaller diagonal

    nova 4:
    6.4 in
    Z91:
    5.7 in
  • Chipset

    nova 4:
    Hisilicon Kirin 970 (10 nm)
    Z91:
    Mediatek MT6739 (28 nm)
  • Rear camera layout

    nova 4:
    Triple
    Z91:
    Single
  • Height

    Z91: 5 mm shorter

    nova 4:
    157 mm
    Z91:
    152 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. nova 4

    Height:
    157 mm +5 mm versus Z91
    Width:
    75.1 mm +2.2 mm versus Z91
    Depth:
    7.8 mm
  2. 2. Z91

    Height:
    152 mm
    Width:
    72.9 mm
    Depth:
    7.7 mm

Weight

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

  1. 1. nova 4

    172 g

    +25 g versus Z91

  2. 2. Z91

    147 g

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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. nova 4

    nova 4: Screen geometry unavailable or conflicting.

  2. 2. Z91

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

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 nova 4, Z91, compared at the same storage capacity.
Storagenova 4Z91
32 GB Not recorded 3 GB RAM
128 GB 8 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. nova 4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB

2. Z91

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 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. nova 4

    3750 mAh

    +750 mAh versus Z91

  2. 2. Z91

    3000 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. nova 42. Z91

Everyday essentials
Everyday essentials — specifications for nova 4, Z91.
Specificationnova 4Z91
Dimensions (HxWxD)
  • 157 Х 75.1 Х 7.8 mm
  • 152 Х 72.9 Х 7.7 mm
Weight
  • 172 g
  • 147 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.4" inch
  • 5.7" inch
Screen resolution
  • 1080 x 2310 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 8 GB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 512 GB
  • microSD
  • up to 128 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3750 mAh
  • Non-removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie)
  • Android 7.1 (Nougat)
Chipset
  • Hisilicon Kirin 970 (10 nm)
  • Mediatek MT6739 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for nova 4, Z91.
Specificationnova 4Z91
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 101.4 cm2
  • 83.8 cm2
Screen format Unknown
  • 18:9 (height:width)
Screen to body ratio
  • 86.0%
  • 75.7%
PPI /points per inch/
  • 0 PPI
  • 282 PPI
Camera and Video
Camera and Video — specifications for nova 4, Z91.
Specificationnova 4Z91
Rear camera, main
  • 48 MP
  • Triple
  • 13 MP
  • Single
Camera specs
  • 48 MP
  • f/1.8
  • PDAF -16 MP
  • f/2.2 -2 MP
  • f/2.4
  • depth sensor
  • 13 MP
  • f/2.0
  • 1.12µm
  • AF
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • (gyro-EIS)
  • 1080p@30fps
Front camera, selfie
  • 25 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 25 MP
  • f/2.0
  • 8 MP
  • f/2.2
Performance

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

Performance — specifications for nova 4, Z91.
Specificationnova 4Z91
Processor CPU
  • Octa-core (4x2.4 GHz Cortex-A73 & 4x1.8 GHz Cortex-A53)
  • Quad-core 1.3 GHz Cortex-A53
Graphics processor GPU
  • Mali-G72 MP12
  • PowerVR GE8100
Antutu 7 score * Unknown
  • 35722
Antutu 8 score *
  • 251296
Unknown
General specs
General specs — specifications for nova 4, Z91.
Specificationnova 4Z91
Release date
  • 2018
  • December
  • 2018
  • March
Colors
  • Aurora Blue
  • Red
  • White
  • Black
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 480 EUR
  • 10000 INR
Communication and Connectivity
Communication and Connectivity — specifications for nova 4, Z91.
Specificationnova 4Z91
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
  • 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)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat16 1024/150 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 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
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • EDR
  • LE
  • aptX HD
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for nova 4, Z91.
Specificationnova 4Z91
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for nova 4, Z91.
Specificationnova 4Z91
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 9V/2A 18W
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India