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Oppo A31 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: 80 g lighter

    A31:
    180 g
    s401:
    100 g
  • Width

    s401: 10.5 mm narrower

    A31:
    75.5 mm
    s401:
    65 mm
  • Screen diagonal

    s401: 2.5 in smaller diagonal

    A31:
    6.5 in
    s401:
    4 in
  • Rear camera layout

    A31:
    Triple
    s401:
    Single
  • Depth

    A31: 2.1 mm thinner

    A31:
    8.3 mm
    s401:
    10.4 mm
  • Height

    s401: 37.9 mm shorter

    A31:
    163.9 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. A31

    Height:
    163.9 mm +37.9 mm versus s401
    Width:
    75.5 mm +10.5 mm versus s401
    Depth:
    8.3 mm
  2. 2. s401

    Height:
    126 mm
    Width:
    65 mm
    Depth:
    10.4 mm +2.1 mm versus A31

Weight

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

  1. 1. A31

    180 g

    +80 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.

  1. 1. A31

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 cm²
  2. 2. s401

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

A31 has approximately 124% more rectangular screen area than s401.

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 A31, s401, compared at the same storage capacity.
StorageA31s401
128 GB 4 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. A31

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. A31

    4230 mAh

    +2830 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. A312. s401

Everyday essentials
Everyday essentials — specifications for A31, s401.
SpecificationA31s401
Dimensions (HxWxD)
  • 163.9 Х 75.5 Х 8.3 mm
  • 126 Х 65 Х 10.4 mm
Weight
  • 180 g
  • 100 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.5" inch
  • 4" inch
Screen resolution
  • 720 x 1600 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 4GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4230 mAh
  • Non-removable Li-Po
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); ColorOS 6.1
  • Android 4.2 (Jelly Bean)
Chipset
  • Mediatek MT6765V/CB Helio P35 (12nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A31, s401.
SpecificationA31s401
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 102.0 cm2
  • 45.5 cm2
Screen format
  • 20:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 82.4%
  • 55.6%
PPI /points per inch/
  • 270 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for A31, s401.
SpecificationA31s401
Rear camera, main
  • 12 MP
  • Triple
  • 5 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • (wide)
  • PDAF -2 MP
  • f/2.4
  • 27mm (macro)
  • 1/5.0''
  • 1.75µm -2 MP
  • (depth)
  • 5 MP
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • VGA
Performance

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

Performance — specifications for A31, s401.
SpecificationA31s401
Processor CPU
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
  • Dual-core 1.0 GHz
Graphics processor GPU
  • PowerVR GE8320
Unknown
Antutu 8 score *
  • 105221
Unknown
General specs
General specs — specifications for A31, s401.
SpecificationA31s401
Release date
  • 2020
  • February 13
  • 2014
  • June
Colors
  • Fantasy White
  • Mystery Black
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 240 h (3G) Talking time- Up to 6 h (3G)
Body build
  • Glass front
  • plastic back
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A31, s401.
SpecificationA31s401
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIMDual SIM (dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM1 & SIM 2 (optional)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • BDS
  • No
USB
  • microUSB 2.0
  • USB On-The-Go
  • 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for A31, s401.
SpecificationA31s401
Radio
  • FM radio
  • FM radio
Others
  • 480 nits typ. brightness
Unknown
Other features
Other features — specifications for A31, s401.
SpecificationA31s401
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity - Flashlight