Allview Impera S vs verykool s401

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

    s401: 56.2 g lighter

    Impera S:
    156.2 g
    s401:
    100 g
  • Width

    s401: 7.1 mm narrower

    Impera S:
    72.1 mm
    s401:
    65 mm
  • Screen diagonal

    s401: 1.5 in smaller diagonal

    Impera S:
    5.5 in
    s401:
    4 in
  • Depth

    Impera S: 1.6 mm thinner

    Impera S:
    8.8 mm
    s401:
    10.4 mm
  • Height

    s401: 18.9 mm shorter

    Impera S:
    144.9 mm
    s401:
    126 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 +18.9 mm versus s401
    Width:
    72.1 mm +7.1 mm versus s401
    Depth:
    8.8 mm
  2. 2. s401

    Height:
    126 mm
    Width:
    65 mm
    Depth:
    10.4 mm +1.6 mm versus Impera S

Weight

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

  1. 1. Impera S

    156.2 g

    +56.2 g versus s401

  2. 2. s401

    100 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. s401

    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, s401, compared at the same storage capacity.
StorageImpera Ss401
8 GB 1 GB RAM Unknown
s401: 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. s401

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

    +600 mAh versus s401

  2. 2. s401

    1400 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. s401

Everyday essentials
Everyday essentials — specifications for Impera S, s401.
SpecificationImpera Ss401
Dimensions (HxWxD)
  • 144.9 Х 72.1 Х 8.8 mm
  • 126 Х 65 Х 10.4 mm
Weight
  • 156.2 g
  • 100 g
Technology
  • IPS LCD
  • TFT
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
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • Android 4.2 (Jelly Bean)
Chipset
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Impera S, s401.
SpecificationImpera Ss401
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 68.9 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 66.0%
  • 55.6%
PPI /points per inch/
  • 294 PPI
  • 233 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for Impera S, s401.
SpecificationImpera Ss401
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
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2 MP
  • VGA
Performance
Performance — specifications for Impera S, s401.
SpecificationImpera Ss401
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Dual-core 1.0 GHz
Graphics processor GPU
  • Adreno 302
Unknown
General specs
General specs — specifications for Impera S, s401.
SpecificationImpera Ss401
Release date
  • 2014
  • June
  • 2014
  • June
Colors
  • Black
  • Blue
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
  • Stand by time- Up to 240 h (3G) Talking time- Up to 6 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Impera S, s401.
SpecificationImpera Ss401
SIM card
  • Dual SIM (dual stand-by)
  • Single SIMDual 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 - SIM1 & SIM 2 (optional)
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
  • No
USB
  • microUSB 2.0
  • 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Impera S, s401.
SpecificationImpera Ss401
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Impera S, s401.
SpecificationImpera Ss401
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity - Flashlight