Lava Z25 vs Vodafone Smart 4

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.

  • Width

    Smart 4: 5 mm narrower

    Z25:
    71 mm
    Smart 4:
    66 mm
  • Screen diagonal

    Smart 4: 0.5 in smaller diagonal

    Z25:
    5 in
    Smart 4:
    4.5 in
  • Chipset

    Z25:
    Mediatek MT6737 (28 nm)
    Smart 4:
    Qualcomm MSM8210 Snapdragon 200 (28 nm)
  • Depth

    Z25: 2.2 mm thinner

    Z25:
    8.4 mm
    Smart 4:
    10.6 mm
  • Height

    Smart 4: 8.5 mm shorter

    Z25:
    143.2 mm
    Smart 4:
    134.7 mm
  • Release year

    Z25:
    2017
    Smart 4:
    2014

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 +8.5 mm versus Smart 4
    Width:
    71 mm +5 mm versus Smart 4
    Depth:
    8.4 mm
  2. 2. Smart 4

    Height:
    134.7 mm
    Width:
    66 mm
    Depth:
    10.6 mm +2.2 mm versus Z25

Weight

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

  1. 1. Z25

    148 g

  2. 2. Smart 4

    152 g

    +4 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. Smart 4

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²

Z25 has approximately 23.5% more rectangular screen area than Smart 4.

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

Smart 4: Original memory entry

4 GB · 512 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. Smart 4

NFC:
See details Yes (optional)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. Z25

    2620 mAh

    +740 mAh versus Smart 4

  2. 2. Smart 4

    1880 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. Smart 4

Everyday essentials
Everyday essentials — specifications for Z25, Smart 4.
SpecificationZ25Smart 4
Dimensions (HxWxD)
  • 143.2 Х 71 Х 8.4 mm
  • 134.7 Х 66 Х 10.6 mm
Weight
  • 148 g
  • 152 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 4.5" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 854 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 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 128 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2620 mAh
  • Non-removable Li-Ion
  • 1880 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 4.4.2 (KitKat)
Chipset
  • Mediatek MT6737 (28 nm)
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
NFC Unknown
  • Yes (optional)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z25, Smart 4.
SpecificationZ25Smart 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 68.9 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 67.8%
  • 62.8%
PPI /points per inch/
  • 294 PPI
  • 218 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, Smart 4.
SpecificationZ25Smart 4
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • f/2.0
  • 1/3.2''
  • 1.4µm
  • AF
  • 5 MP
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0.3 MP
  • Single
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, Smart 4.
SpecificationZ25Smart 4
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Mali-T720MP2
  • Adreno 302
Antutu 7 score *
  • 40152
  • 8302
GeekBench 4 RenderScript *
  • 1351
Unknown
General specs
General specs — specifications for Z25, Smart 4.
SpecificationZ25Smart 4
Release date
  • 2017
  • March
  • 2014
  • May
Colors
  • Gold
  • Black/White
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 90 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Z25, Smart 4.
SpecificationZ25Smart 4
SIM card
  • Hybrid Dual SIM (Nano-SIM/ Micro-SIM
  • dual stand-by)
  • Micro-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
  • HSPA
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
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.22 W/kg (head) 0.82 W/kg (body)
Music and Audio
Music and Audio — specifications for Z25, Smart 4.
SpecificationZ25Smart 4
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Z25, Smart 4.
SpecificationZ25Smart 4
Dop
  • Sensors Accelerometer
  • proximity - For India
  • Sensors Accelerometer
  • proximity