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Lava X28 Plus vs Plum Sync 4.0

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 4.0: 78 g lighter

    X28 Plus:
    175 g
    Sync 4.0:
    97 g
  • Width

    Sync 4.0: 14.4 mm narrower

    X28 Plus:
    78 mm
    Sync 4.0:
    63.6 mm
  • Screen diagonal

    Sync 4.0: 1.5 in smaller diagonal

    X28 Plus:
    5.5 in
    Sync 4.0:
    4 in
  • Depth

    X28 Plus: 0.8 mm thinner

    X28 Plus:
    9 mm
    Sync 4.0:
    9.8 mm
  • Height

    Sync 4.0: 34.6 mm shorter

    X28 Plus:
    155 mm
    Sync 4.0:
    120.4 mm
  • Release year

    X28 Plus:
    2017
    Sync 4.0:
    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. X28 Plus

    Height:
    155 mm +34.6 mm versus Sync 4.0
    Width:
    78 mm +14.4 mm versus Sync 4.0
    Depth:
    9 mm
  2. 2. Sync 4.0

    Height:
    120.4 mm
    Width:
    63.6 mm
    Depth:
    9.8 mm +0.8 mm versus X28 Plus

Weight

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

  1. 1. X28 Plus

    175 g

    +78 g versus Sync 4.0

  2. 2. Sync 4.0

    97 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. X28 Plus

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Sync 4.0

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

X28 Plus has approximately 89.1% more rectangular screen area than Sync 4.0.

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 X28 Plus, Sync 4.0, compared at the same storage capacity.
StorageX28 PlusSync 4.0
8 GB 1 GB RAM Unknown
Sync 4.0: 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. X28 Plus

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

2. Sync 4.0

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. X28 Plus

    2600 mAh

    +1400 mAh versus Sync 4.0

  2. 2. Sync 4.0

    1200 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. X28 Plus2. Sync 4.0

Everyday essentials
Everyday essentials — specifications for X28 Plus, Sync 4.0.
SpecificationX28 PlusSync 4.0
Dimensions (HxWxD)
  • 155 Х 78 Х 9 mm
  • 120.4 Х 63.6 Х 9.8 mm
Weight
  • 175 g
  • 97 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 4" 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.
  • 8 GB
  • 1 GB RAM
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2600 mAh
  • Removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 4.4 (KitKat)
Chipset Unknown
  • Mediatek MT6572M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X28 Plus, Sync 4.0.
SpecificationX28 PlusSync 4.0
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 44.1 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 69.0%
  • 57.6%
PPI /points per inch/
  • 267 PPI
  • 245 PPI
Camera and Video
Camera and Video — specifications for X28 Plus, Sync 4.0.
SpecificationX28 PlusSync 4.0
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • Face detection
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 5 MP
  • 1.3 MP
Performance

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

Performance — specifications for X28 Plus, Sync 4.0.
SpecificationX28 PlusSync 4.0
Processor CPU
  • Quad-core 1.3 GHz
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400
Antutu 7 score *
  • 11560
  • 5527
GeekBench 4 Single Core *
  • 410
Unknown
GeekBench 4 Multi-Core *
  • 1050
Unknown
General specs
General specs — specifications for X28 Plus, Sync 4.0.
SpecificationX28 PlusSync 4.0
Release date
  • 2017
  • February
  • 2014
  • May
Colors
  • Black/Gold
  • Black
  • White
  • Red
  • Blue
Battery life Unknown
  • Stand by time- Up to 760 h Talking time- Up to 14 h
Communication and Connectivity
Communication and Connectivity — specifications for X28 Plus, Sync 4.0.
SpecificationX28 PlusSync 4.0
SIM card
  • Dual SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - 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
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for X28 Plus, Sync 4.0.
SpecificationX28 PlusSync 4.0
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for X28 Plus, Sync 4.0.
SpecificationX28 PlusSync 4.0
Dop
  • Sensors Accelerometer
  • proximity - For India
  • Sensors Accelerometer
  • gyro
  • proximity - Also known as Plum Sync 4.0 X400