Lava Z25 vs Plum Sync 4.0b

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

    Sync 4.0b: 63.2 g lighter

    Z25:
    148 g
    Sync 4.0b:
    84.8 g
  • Width

    Sync 4.0b: 7.5 mm narrower

    Z25:
    71 mm
    Sync 4.0b:
    63.5 mm
  • Screen diagonal

    Sync 4.0b: 1 in smaller diagonal

    Z25:
    5 in
    Sync 4.0b:
    4 in
  • Chipset

    Z25:
    Mediatek MT6737 (28 nm)
    Sync 4.0b:
    Mediatek MT6572 (28 nm)
  • Depth

    Z25: 2 mm thinner

    Z25:
    8.4 mm
    Sync 4.0b:
    10.4 mm
  • Height

    Sync 4.0b: 18.7 mm shorter

    Z25:
    143.2 mm
    Sync 4.0b:
    124.5 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. Z25

    Height:
    143.2 mm +18.7 mm versus Sync 4.0b
    Width:
    71 mm +7.5 mm versus Sync 4.0b
    Depth:
    8.4 mm
  2. 2. Sync 4.0b

    Height:
    124.5 mm
    Width:
    63.5 mm
    Depth:
    10.4 mm +2 mm versus Z25

Weight

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

  1. 1. Z25

    148 g

    +63.2 g versus Sync 4.0b

  2. 2. Sync 4.0b

    84.8 g

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. Sync 4.0b

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Z25 has approximately 51.3% more rectangular screen area than Sync 4.0b.

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

Sync 4.0b: Original memory entry

512 MB · 256 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. Sync 4.0b

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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

    +1320 mAh versus Sync 4.0b

  2. 2. Sync 4.0b

    1300 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. Sync 4.0b

Everyday essentials
Everyday essentials — specifications for Z25, Sync 4.0b.
SpecificationZ25Sync 4.0b
Dimensions (HxWxD)
  • 143.2 Х 71 Х 8.4 mm
  • 124.5 Х 63.5 Х 10.4 mm
Weight
  • 148 g
  • 84.8 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 4" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 800 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
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 128 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2620 mAh
  • Non-removable Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 4.4 (KitKat)
Chipset
  • Mediatek MT6737 (28 nm)
  • Mediatek MT6572 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z25, Sync 4.0b.
SpecificationZ25Sync 4.0b
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 67.8%
  • 57.6%
PPI /points per inch/
  • 294 PPI
  • 233 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, Sync 4.0b.
SpecificationZ25Sync 4.0b
Rear camera, main
  • 8 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 8 MP
  • f/2.0
  • 1/3.2''
  • 1.4µm
  • AF
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • 720p@30fps
  • 720p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 5 MP
  • 1/4''
  • 1.4µm
  • 1.3 MP
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, Sync 4.0b.
SpecificationZ25Sync 4.0b
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Dual-core 1.0 GHz Cortex-A7
Graphics processor GPU
  • Mali-T720MP2
  • Mali-400
Antutu 7 score *
  • 40152
Unknown
GeekBench 4 RenderScript *
  • 1351
Unknown
General specs
General specs — specifications for Z25, Sync 4.0b.
SpecificationZ25Sync 4.0b
Release date
  • 2017
  • March
  • 2015
  • June
Colors
  • Gold
  • Black/White
  • Black
  • White
  • Red
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 180 h Talking time- Up to 2 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Z25, Sync 4.0b.
SpecificationZ25Sync 4.0b
SIM card
  • Hybrid Dual SIM (Nano-SIM/ Micro-SIM
  • dual stand-by)
  • Dual 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)
Unknown
Speed
  • HSPA
  • LTE
Unknown
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.0
Music and Audio
Music and Audio — specifications for Z25, Sync 4.0b.
SpecificationZ25Sync 4.0b
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Z25, Sync 4.0b.
SpecificationZ25Sync 4.0b
Dop
  • Sensors Accelerometer
  • proximity - For India
  • Sensors Accelerometer Flashlight Also known as Plum Sync 4.0b X400