Lava Z25 vs Nokia N91

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

    Z25: 16 g lighter

    Z25:
    148 g
    N91:
    164 g
  • Width

    N91: 15.8 mm narrower

    Z25:
    71 mm
    N91:
    55.2 mm
  • Screen diagonal

    N91: 2.9 in smaller diagonal

    Z25:
    5 in
    N91:
    2.1 in
  • Depth

    Z25: 13.6 mm thinner

    Z25:
    8.4 mm
    N91:
    22 mm
  • Height

    N91: 30.1 mm shorter

    Z25:
    143.2 mm
    N91:
    113.1 mm
  • Release year

    Z25:
    2017
    N91:
    2005

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. Z25

    Height:
    143.2 mm +30.1 mm versus N91
    Width:
    71 mm +15.8 mm versus N91
    Depth:
    8.4 mm
  2. 2. N91

    Height:
    113.1 mm
    Width:
    55.2 mm
    Depth:
    22 mm +13.6 mm versus Z25

Weight

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

  1. 1. Z25

    148 g

  2. 2. N91

    164 g

    +16 g versus Z25

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. Z25

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. N91

    N91: 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Z25: Original memory entry

16 GB · 2/3 GB RAM

N91: Original memory entry

4/8 GB · 64 MB RAM

Practical features

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

1. Z25

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses SIM 2 slot)

2. N91

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. Z25

    2620 mAh

    +1720 mAh versus N91

  2. 2. N91

    900 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. Z252. N91

Everyday essentials
Everyday essentials — specifications for Z25, N91.
SpecificationZ25N91
Dimensions (HxWxD)
  • 143.2 Х 71 Х 8.4 mm
  • 113.1 Х 55.2 Х 22 mm
Weight
  • 148 g
  • 164 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 2.1" inch
Screen resolution
  • 720 x 1280 px
  • 176 x 208 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2/3 GB RAM
  • 4/8 GB
  • 64 MB RAM
Memory card support
  • microSD
  • up to 128 GB (uses SIM 2 slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2620 mAh
  • Non-removable Li-Ion
  • 900 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Symbian 9.1
  • Series 60 UI 3rd Edition
Chipset
  • Mediatek MT6737 (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z25, N91.
SpecificationZ25N91
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 256K
Screen area
  • 68.9 cm2
  • 14.0 cm2
Screen format
  • 16:9 (height:width)
Unknown
Screen to body ratio
  • 67.8%
  • 22.5%
PPI /points per inch/
  • 294 PPI
  • 0 PPI
Camera and Video

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

Camera and Video — specifications for Z25, N91.
SpecificationZ25N91
Rear camera, main
  • 8 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 8 MP
  • f/2.0
  • 1/3.2''
  • 1.4µm
  • AF
  • 2 MP
Functions
  • LED flash
Unknown
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0 MP,
Specifications
  • 5 MP
  • 1/4''
  • 1.4µm
Unknown
DxOMark Main Score *
  • 70
Unknown
DxOMark Photo *
  • 74
Unknown
DxOMark Video *
  • 62
Unknown
Performance

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

Performance — specifications for Z25, N91.
SpecificationZ25N91
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • 220 MHz Dual ARM 9
Graphics processor GPU
  • Mali-T720MP2
Unknown
Antutu 7 score *
  • 40152
Unknown
GeekBench 4 RenderScript *
  • 1351
Unknown
General specs
General specs — specifications for Z25, N91.
SpecificationZ25N91
Release date
  • 2017
  • March
  • 2005
  • Q2
Colors
  • Gold
  • Black/White
  • Light Blue Chrome
  • Dark Gray Chrome
  • Black (Music Edition)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 230 EUR
Battery life Unknown
  • Stand by time- Up to 190 h (2G) / 170 h (3G) Talking time- Up to 4 h (2G) / 3 h (3G) Music play - Up to 10 h
Communication and Connectivity
Communication and Connectivity — specifications for Z25, N91.
SpecificationZ25N91
SIM card
  • Hybrid Dual SIM (Nano-SIM/ Micro-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 5(850)
  • 40(2300)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA
  • LTE
  • Yes
  • 384 kbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11b/g
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • USB On-The-Go
  • miniUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 1.2 (A2DP - 8 GB version only)
Harmful irradiation Unknown
  • SAR - 0.74 W/kg (head) 0.58 W/kg (body) SAR EU - 0.48 W/kg (head)
Music and Audio
Music and Audio — specifications for Z25, N91.
SpecificationZ25N91
Radio
  • FM radio
  • Stereo FM radio
Others Unknown
  • 5-way configurable navigation key
Other features
Other features — specifications for Z25, N91.
SpecificationZ25N91
Dop
  • Sensors Accelerometer
  • proximity - For India
  • Predictive text input -Voice dial -Voice memo -Organizer