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Allview Impera S vs Celkon Win 400

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

    Win 400: 35.6 g lighter

    Impera S:
    156.2 g
    Win 400:
    120.6 g
  • Width

    Win 400: 7.1 mm narrower

    Impera S:
    72.1 mm
    Win 400:
    65 mm
  • Screen diagonal

    Win 400: 1.5 in smaller diagonal

    Impera S:
    5.5 in
    Win 400:
    4 in
  • Depth

    Impera S: 1.5 mm thinner

    Impera S:
    8.8 mm
    Win 400:
    10.3 mm
  • Height

    Win 400: 19.5 mm shorter

    Impera S:
    144.9 mm
    Win 400:
    125.4 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 S

    Height:
    144.9 mm +19.5 mm versus Win 400
    Width:
    72.1 mm +7.1 mm versus Win 400
    Depth:
    8.8 mm
  2. 2. Win 400

    Height:
    125.4 mm
    Width:
    65 mm
    Depth:
    10.3 mm +1.5 mm versus Impera S

Weight

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

  1. 1. Impera S

    156.2 g

    +35.6 g versus Win 400

  2. 2. Win 400

    120.6 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. Impera S

    Impera S: Screen geometry unavailable or conflicting.

  2. 2. Win 400

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 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 Impera S, Win 400, compared at the same storage capacity.
StorageImpera SWin 400
8 GB 1 GB RAM Unknown
Win 400: Original memory entry

4 GB · 512 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. Impera S

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

2. Win 400

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 S

    2000 mAh

    +500 mAh versus Win 400

  2. 2. Win 400

    1500 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. Impera S2. Win 400

Everyday essentials
Everyday essentials — specifications for Impera S, Win 400.
SpecificationImpera SWin 400
Dimensions (HxWxD)
  • 144.9 Х 72.1 Х 8.8 mm
  • 125.4 Х 65 Х 10.3 mm
Weight
  • 156.2 g
  • 120.6 g
Technology
  • IPS LCD
Unknown
Screen size
  • 5.5" 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.
  • 8 GB
  • 1 GB RAM
  • 4 GB
  • 512 MB 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.
  • 2000 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • Microsoft Windows Phone 8.1
Chipset
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Impera S, Win 400.
SpecificationImpera SWin 400
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
  • 66.0%
  • 55.9%
PPI /points per inch/
  • 294 PPI
  • 233 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for Impera S, Win 400.
SpecificationImpera SWin 400
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
Functions
  • Dual-LED flash
  • panorama
  • LED flash
Video
  • Yes
  • 720p
Front camera, selfie
  • 2 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 2 MP
  • 1.3 MP
Performance
Performance — specifications for Impera S, Win 400.
SpecificationImpera SWin 400
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 302
  • Adreno 302
General specs
General specs — specifications for Impera S, Win 400.
SpecificationImpera SWin 400
Release date
  • 2014
  • June
  • 2014
  • November
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
Unknown
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 8 h 20 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Impera S, Win 400.
SpecificationImpera SWin 400
SIM card
  • Dual SIM (dual stand-by)
  • Dual SIM (dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 1(2100)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 21.1/5.76 Mbps
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 S, Win 400.
SpecificationImpera SWin 400
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Impera S, Win 400.
SpecificationImpera SWin 400
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity