Allview Impera M vs Lava X28

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

    Impera M: 13.6 mm narrower

    Impera M:
    64.4 mm
    X28:
    78 mm
  • Screen diagonal

    Impera M: 1.5 in smaller diagonal

    Impera M:
    4 in
    X28:
    5.5 in
  • Depth

    X28: 0.9 mm thinner

    Impera M:
    9.9 mm
    X28:
    9 mm
  • Height

    Impera M: 32.5 mm shorter

    Impera M:
    122.5 mm
    X28:
    155 mm
  • Release year

    Impera M:
    2014
    X28:
    2016

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. Impera M

    Height:
    122.5 mm
    Width:
    64.4 mm
    Depth:
    9.9 mm +0.9 mm versus X28
    Weight:
    110 g
  2. 2. X28

    Height:
    155 mm +32.5 mm versus Impera M
    Width:
    78 mm +13.6 mm versus Impera M
    Depth:
    9 mm
    Weight:
    Unknown

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. Impera M

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. X28

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

X28 has approximately 83.1% more rectangular screen area than Impera M.

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 Impera M, X28, compared at the same storage capacity.
StorageImpera MX28
8 GB Unknown 1 GB RAM
Impera M: Original memory entry

4 GB · 512 MB RAM - Liquid M2208 GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Impera M

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. X28

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. Impera M

    1420 mAh

  2. 2. X28

    2600 mAh

    +1180 mAh versus Impera M

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. Impera M2. X28

Everyday essentials
Everyday essentials — specifications for Impera M, X28.
SpecificationImpera MX28
Dimensions (HxWxD)
  • 122.5 Х 64.4 Х 9.9 mm
  • 155 Х 78 Х 9 mm
Weight
  • 110 g
  • 0 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 5.5" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM - Liquid M2208 GB
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1420 mAh
  • Removable Li-Ion
  • 2600 mAh
  • Li-Po
Operating system OS
  • Microsoft Windows Phone 8.1
  • Android 6.0 (Marshmallow)
Chipset
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Impera M, X28.
SpecificationImpera MX28
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.7%
  • 69.0%
PPI /points per inch/
  • 233 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for Impera M, X28.
SpecificationImpera MX28
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 8 MP
Functions
  • Dual-LED flash
  • LED flash
Video
  • 480p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 2 MP or VGA
  • 5 MP
Performance

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

Performance — specifications for Impera M, X28.
SpecificationImpera MX28
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Quad-core 1.3 GHz
Graphics processor GPU
  • Adreno 302
Unknown
Antutu 7 score *
  • 11836
  • 25142
General specs
General specs — specifications for Impera M, X28.
SpecificationImpera MX28
Release date
  • 2014
  • October
  • 2016
  • September
Colors
  • Black
  • Black/Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
Unknown
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 6 h 30 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Impera M, X28.
SpecificationImpera MX28
SIM card
  • Single SIM (Micro-SIM)Dual 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
  • 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)
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA
  • LTE
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
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Impera M, X28.
SpecificationImpera MX28
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Impera M, X28.
SpecificationImpera MX28
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity - For India