Lava Z91 vs Nokia N90

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: 26 g lighter

    Z91:
    147 g
    N90:
    173 g
  • Width

    N90: 21.9 mm narrower

    Z91:
    72.9 mm
    N90:
    51 mm
  • Screen diagonal

    N90: 3.6 in smaller diagonal

    Z91:
    5.7 in
    N90:
    2.1 in
  • Chipset

    Z91:
    Mediatek MT6739 (28 nm)
    N90:
    TI OMAP 1710
  • Depth

    Z91: 16.3 mm thinner

    Z91:
    7.7 mm
    N90:
    24 mm
  • Height

    N90: 40 mm shorter

    Z91:
    152 mm
    N90:
    112 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 +40 mm versus N90
    Width:
    72.9 mm +21.9 mm versus N90
    Depth:
    7.7 mm
  2. 2. N90

    Height:
    112 mm
    Width:
    51 mm
    Depth:
    24 mm +16.3 mm versus Z91

Weight

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

  1. 1. Z91

    147 g

  2. 2. N90

    173 g

    +26 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.

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

  1. 1. Z91

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²
  2. 2. N90

    N90: Screen geometry unavailable or conflicting.

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, N90, compared at the same storage capacity.
StorageZ91N90
32 GB 3 GB RAM Unknown
N90: Original memory entry

31 MB

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. N90

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details RS-DV-MMC · 64 MB 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. Z91

    3000 mAh

    +2240 mAh versus N90

  2. 2. N90

    760 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. N90

Everyday essentials
Everyday essentials — specifications for Z91, N90.
SpecificationZ91N90
Dimensions (HxWxD)
  • 152 Х 72.9 Х 7.7 mm
  • 112 Х 51 Х 24 mm
Weight
  • 147 g
  • 173 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.7" inch
  • 2.1" inch
Screen resolution
  • 720 x 1440 px
  • 352 x 416 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 31 MB
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • RS-DV-MMC
  • 64 MB included
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 760 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.1 (Nougat)
  • Symbian OS 8.1a
  • Series 60 UI
Chipset
  • Mediatek MT6739 (28 nm)
  • TI OMAP 1710
Headphone jack
  • Yes
  • No
Display
Display — specifications for Z91, N90.
SpecificationZ91N90
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 256K
Screen area
  • 83.8 cm2
  • 14.0 cm2
Screen format
  • 18:9 (height:width)
Unknown
Screen to body ratio
  • 75.7%
  • 24.6%
PPI /points per inch/
  • 282 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for Z91, N90.
SpecificationZ91N90
Rear camera, main
  • 13 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1.12µm
  • AF
  • 2 MP
  • AF
Functions
  • LED flash
  • Carl Zeiss optics
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
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, N90.
SpecificationZ91N90
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • 220 MHz ARM926EJ-S
Graphics processor GPU
  • PowerVR GE8100
Unknown
Antutu 7 score *
  • 35722
Unknown
General specs
General specs — specifications for Z91, N90.
SpecificationZ91N90
Release date
  • 2018
  • March
  • 2005
  • Q2
Colors
  • Blue
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 10000 INR
  • 250 EUR
Battery life Unknown
  • Stand by time- Up to 290 h Talking time- Up to 3 h
Communication and Connectivity
Communication and Connectivity — specifications for Z91, N90.
SpecificationZ91N90
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 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • Yes
  • 384 kbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • USB On-The-Go
  • Pop-Port
Bluetooth
  • 4.0
  • A2DP
  • 1.2
Harmful irradiation Unknown
  • SAR - 0.22 W/kg (head) 0.54 W/kg (body) SAR EU - 0.29 W/kg (head)
Music and Audio
Music and Audio — specifications for Z91, N90.
SpecificationZ91N90
Radio
  • FM radio
  • No
Others Unknown
  • Second external TFT
  • 65K colors display (128 x 128 pixels) -90 deg rotating screen -5-way navigation key -Side joystick
Other features
Other features — specifications for Z91, N90.
SpecificationZ91N90
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India
  • Push to talk -Video download -MP3/AAC/MP4 player -Predictive text input -Voice command/memo -Organizer -Printing