Lava Z25 vs Lenovo A830

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: 17.4 g lighter

    Z25:
    148 g
    A830:
    165.4 g
  • Width

    Z25: 2 mm narrower

    Z25:
    71 mm
    A830:
    73 mm
  • Chipset

    Z25:
    Mediatek MT6737 (28 nm)
    A830:
    Mediatek MT6589 (28 nm)
  • Depth

    Z25: 1 mm thinner

    Z25:
    8.4 mm
    A830:
    9.4 mm
  • Height

    Z25: 3.8 mm shorter

    Z25:
    143.2 mm
    A830:
    147 mm
  • Release year

    Z25:
    2017
    A830:
    2013

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. A830

    Height:
    147 mm +3.8 mm versus Z25
    Width:
    73 mm +2 mm versus Z25
    Depth:
    9.4 mm +1 mm versus Z25

Weight

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

  1. 1. Z25

    148 g

  2. 2. A830

    165.4 g

    +17.4 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. A830

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 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 Z25, A830, compared at the same storage capacity.
StorageZ25A830
4 GB Unknown 1 GB RAM
Z25: Original memory entry

16 GB · 2/3 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. A830

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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

    +370 mAh versus A830

  2. 2. A830

    2250 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. A830

Everyday essentials
Everyday essentials — specifications for Z25, A830.
SpecificationZ25A830
Dimensions (HxWxD)
  • 143.2 Х 71 Х 8.4 mm
  • 147 Х 73 Х 9.4 mm
Weight
  • 148 g
  • 165.4 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 5" inch
Screen resolution
  • 720 x 1280 px
  • 540 x 960 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
  • 1 GB RAM
Memory card support
  • microSD
  • up to 128 GB (uses SIM 2 slot)
  • microSD
  • up to 64 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2620 mAh
  • Non-removable Li-Ion
  • 2250 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 4.2.1 (Jelly Bean)
Chipset
  • Mediatek MT6737 (28 nm)
  • Mediatek MT6589 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z25, A830.
SpecificationZ25A830
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 67.8%
  • 64.2%
PPI /points per inch/
  • 294 PPI
  • 220 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, A830.
SpecificationZ25A830
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • f/2.0
  • 1/3.2''
  • 1.4µm
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • 720p
Front camera, selfie
  • 5 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 5 MP
  • 1/4''
  • 1.4µm
  • VGA
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, A830.
SpecificationZ25A830
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Mali-T720MP2
  • PowerVR SGX544
Antutu 7 score *
  • 40152
  • 14630
GeekBench 4 RenderScript *
  • 1351
Unknown
General specs
General specs — specifications for Z25, A830.
SpecificationZ25A830
Release date
  • 2017
  • March
  • 2013
Colors
  • Gold
  • Black/White
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 140 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Z25, A830.
SpecificationZ25A830
SIM card
  • Hybrid Dual SIM (Nano-SIM/ Micro-SIM
  • dual stand-by)
  • Dual SIM (Mini-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
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
  • Yes
Harmful irradiation Unknown
  • SAR EU - 0.38 W/kg (head)
Music and Audio
Music and Audio — specifications for Z25, A830.
SpecificationZ25A830
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Z25, A830.
SpecificationZ25A830
Dop
  • Sensors Accelerometer
  • proximity - For India
  • Sensors Accelerometer
  • proximity