Allview Impera i vs Microsoft Lumia 540 Dual SIM

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

    Impera i: 53.1 g lighter

    Impera i:
    98.9 g
    Lumia 540 Dual SIM:
    152 g
  • Width

    Impera i: 6.5 mm narrower

    Impera i:
    67.2 mm
    Lumia 540 Dual SIM:
    73.7 mm
  • Screen diagonal

    Impera i: 0.3 in smaller diagonal

    Impera i:
    4.7 in
    Lumia 540 Dual SIM:
    5 in
  • Chipset

    Impera i:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
    Lumia 540 Dual SIM:
    Qualcomm Snapdragon 200 (28 nm)
  • Depth

    Impera i: 1.4 mm thinner

    Impera i:
    7.2 mm
    Lumia 540 Dual SIM:
    8.6 mm
  • Height

    Impera i: 8.2 mm shorter

    Impera i:
    135.8 mm
    Lumia 540 Dual SIM:
    144 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. Impera i

    Height:
    135.8 mm
    Width:
    67.2 mm
    Depth:
    7.2 mm
  2. 2. Lumia 540 Dual SIM

    Height:
    144 mm +8.2 mm versus Impera i
    Width:
    73.7 mm +6.5 mm versus Impera i
    Depth:
    8.6 mm +1.4 mm versus Impera i

Weight

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

  1. 1. Impera i

    98.9 g

  2. 2. Lumia 540 Dual SIM

    152 g

    +53.1 g versus Impera i

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 i

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. Lumia 540 Dual SIM

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

Lumia 540 Dual SIM has approximately 13.2% more rectangular screen area than Impera i.

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 i, Lumia 540 Dual SIM, compared at the same storage capacity.
StorageImpera iLumia 540 Dual SIM
8 GB Recorded for all phones 1 GB RAM 1 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. Impera i

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

2. Lumia 540 Dual SIM

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Impera i

    1750 mAh

  2. 2. Lumia 540 Dual SIM

    2200 mAh

    +450 mAh versus Impera i

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 i2. Lumia 540 Dual SIM

Everyday essentials
Everyday essentials — specifications for Impera i, Lumia 540 Dual SIM.
SpecificationImpera iLumia 540 Dual SIM
Dimensions (HxWxD)
  • 135.8 Х 67.2 Х 7.2 mm
  • 144 Х 73.7 Х 8.6 mm
Weight
  • 98.9 g
  • 152 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.7" inch
  • 5" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1750 mAh
  • Removable Li-Po
  • 2200 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • Microsoft Windows Phone 8.1 with Lumia Denim
Chipset
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Qualcomm Snapdragon 200 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Impera i, Lumia 540 Dual SIM.
SpecificationImpera iLumia 540 Dual SIM
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.9 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 136 Х 66.7 Х 9.9 mm
  • 64.9%
PPI /points per inch/
  • 312 PPI
  • 294 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for Impera i, Lumia 540 Dual SIM.
SpecificationImpera iLumia 540 Dual SIM
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 8 MP
  • f/2.2
  • 28mm (wide)
  • 1/4''
  • AF
Functions
  • Dual-LED flash
  • panorama
  • LED flash
Video
  • Yes
  • 480p
Front camera, selfie
  • 2 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 2 MP
  • 5 MP
Performance

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

Performance — specifications for Impera i, Lumia 540 Dual SIM.
SpecificationImpera iLumia 540 Dual SIM
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 302
  • Adreno 302
Antutu 7 score *
  • 12826
  • 11473
General specs
General specs — specifications for Impera i, Lumia 540 Dual SIM.
SpecificationImpera iLumia 540 Dual SIM
Release date
  • 2014
  • June
  • 2015
  • April
Colors
  • Black
  • Orange
  • White
  • Black
  • Gray
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 100 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 7 h 20 min
  • Stand by time- Up to 576 h (2G) / Up to 576 h (3G) Talking time- Up to 26 h (2G) / Up to 15 h (3G) Music play - Up to 81 h
Communication and Connectivity
Communication and Connectivity — specifications for Impera i, Lumia 540 Dual SIM.
SpecificationImpera iLumia 540 Dual SIM
SIM card
  • Dual SIM (dual stand-by)
  • Dual SIM (Micro-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
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Up to 236 kbps
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Impera i, Lumia 540 Dual SIM.
SpecificationImpera iLumia 540 Dual SIM
Radio
  • FM radio
  • FM radio
Others Unknown
  • ClearBlack display
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Impera i, Lumia 540 Dual SIM.
SpecificationImpera iLumia 540 Dual SIM
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity