Lava Z25 vs Nokia 4.2

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

    Z25: 13 g lighter

    Z25:
    148 g
    4.2:
    161 g
  • Screen diagonal

    Z25: 0.71 in smaller diagonal

    Z25:
    5 in
    4.2:
    5.71 in
  • Chipset

    Z25:
    Mediatek MT6737 (28 nm)
    4.2:
    Qualcomm SDM439 Snapdragon 439 (12 nm)
  • Rear camera layout

    Z25:
    Single
    4.2:
    Dual
  • Height

    Z25: 5.8 mm shorter

    Z25:
    143.2 mm
    4.2:
    149 mm
  • Release year

    Z25:
    2017
    4.2:
    2019

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
    Width:
    71 mm
    Depth:
    8.4 mm
  2. 2. 4.2

    Height:
    149 mm +5.8 mm versus Z25
    Width:
    71.3 mm
    Depth:
    8.4 mm

Weight

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

  1. 1. Z25

    148 g

  2. 2. 4.2

    161 g

    +13 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.

  1. 1. Z25

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. 4.2

    Screen diagonal:
    5.71 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    81.4 cm²

4.2 has approximately 18.1% more rectangular screen area than Z25.

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

4.2: Original memory entry

32 GB · 3 RAM 16 GB · 2 GB 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. 4.2

NFC:
See details Yes (market dependent)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 400 GB

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

  2. 2. 4.2

    3000 mAh

    +380 mAh versus Z25

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. 4.2

Everyday essentials
Everyday essentials — specifications for Z25, 4.2.
SpecificationZ254.2
Dimensions (HxWxD)
  • 143.2 Х 71 Х 8.4 mm
  • 149 Х 71.3 Х 8.4 mm
Weight
  • 148 g
  • 161 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 5.71" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1520 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
  • 32 GB
  • 3 RAM 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 128 GB (uses SIM 2 slot)
  • microSD
  • up to 400 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2620 mAh
  • Non-removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 9.0 (Pie); Android One
Chipset
  • Mediatek MT6737 (28 nm)
  • Qualcomm SDM439 Snapdragon 439 (12 nm)
NFC Unknown
  • Yes (market dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z25, 4.2.
SpecificationZ254.2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 81.4 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 67.8%
  • 76.6%
PPI /points per inch/
  • 294 PPI
  • 295 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, 4.2.
SpecificationZ254.2
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 8 MP
  • f/2.0
  • 1/3.2''
  • 1.4µm
  • AF
  • 13 MP
  • f/2.2
  • 1/3''
  • 1.12µm
  • PDAF -2 MP
  • depth sensor
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • 1/4''
  • 1.4µm
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
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, 4.2.
SpecificationZ254.2
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Octa-core (2x2.0 GHz Cortex-A53 & 6x1.45 GHz Cortex A53)
Graphics processor GPU
  • Mali-T720MP2
  • Adreno 505
Antutu 7 score *
  • 40152
  • 88252
GeekBench 4 RenderScript *
  • 1351
Unknown
General specs
General specs — specifications for Z25, 4.2.
SpecificationZ254.2
Release date
  • 2017
  • March
  • 2019
  • February
Colors
  • Gold
  • Black/White
  • Black
  • Pink Sand
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 150 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Z25, 4.2.
SpecificationZ254.2
SIM card
  • Hybrid Dual SIM (Nano-SIM/ Micro-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 900 / 2100 -4G - LTE band 3(1800)
  • 5(850)
  • 40(2300)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 - Global HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - LATAM -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500) - EMEA
  • APAC
  • MENA LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 12(700)
  • 17(700)
  • 66(1700/2100) - LATAM LTE band 1(2100)
  • 41(2500) - India
Speed
  • HSPA
  • LTE
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 4.2
  • A2DP
  • LE
  • aptX
Music and Audio
Music and Audio — specifications for Z25, 4.2.
SpecificationZ254.2
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Z25, 4.2.
SpecificationZ254.2
Dop
  • Sensors Accelerometer
  • proximity - For India
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity