Allview A5 Duo vs verykool s450

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

    s450: 5.2 g lighter

    A5 Duo:
    137.7 g
    s450:
    132.5 g
  • Width

    A5 Duo: 2.4 mm narrower

    A5 Duo:
    64.4 mm
    s450:
    66.8 mm
  • Screen diagonal

    A5 Duo: 0.5 in smaller diagonal

    A5 Duo:
    4 in
    s450:
    4.5 in
  • Depth

    s450: 1.6 mm thinner

    A5 Duo:
    11.5 mm
    s450:
    9.9 mm
  • Height

    A5 Duo: 5.4 mm shorter

    A5 Duo:
    126 mm
    s450:
    131.4 mm
  • Release year

    A5 Duo:
    2013
    s450:
    2014

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. A5 Duo

    Height:
    126 mm
    Width:
    64.4 mm
    Depth:
    11.5 mm +1.6 mm versus s450
  2. 2. s450

    Height:
    131.4 mm +5.4 mm versus A5 Duo
    Width:
    66.8 mm +2.4 mm versus A5 Duo
    Depth:
    9.9 mm

Weight

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

  1. 1. A5 Duo

    137.7 g

    +5.2 g versus s450

  2. 2. s450

    132.5 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. A5 Duo

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. s450

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

s450 has approximately 22.6% more rectangular screen area than A5 Duo.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

A5 Duo: Original memory entry

4 GB · 512 MB RAM - Liquid M2208 GB

s450: 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. A5 Duo

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

2. s450

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. A5 Duo

    1700 mAh

  2. 2. s450

    1750 mAh

    +50 mAh versus A5 Duo

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. A5 Duo2. s450

Everyday essentials
Everyday essentials — specifications for A5 Duo, s450.
SpecificationA5 Duos450
Dimensions (HxWxD)
  • 126 Х 64.4 Х 11.5 mm
  • 131.4 Х 66.8 Х 9.9 mm
Weight
  • 137.7 g
  • 132.5 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 4.5" inch
Screen resolution
  • 480 x 800 px
  • 480 x 854 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
  • 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.
  • 1700 mAh
  • Removable Li-Ion
  • 1750 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 4.2 (Jelly Bean)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A5 Duo, s450.
SpecificationA5 Duos450
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 45.5 cm2
  • 55.8 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.1%
  • 63.6%
PPI /points per inch/
  • 233 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for A5 Duo, s450.
SpecificationA5 Duos450
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • 8 MP
Functions
  • Dual-LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2 MP or VGA
  • VGA
Performance

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

Performance — specifications for A5 Duo, s450.
SpecificationA5 Duos450
Processor CPU
  • Dual-core 1.2 GHz Cotex-A7
  • Dual-core 1.2 GHz
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
Unknown
Antutu 7 score *
  • 8869
Unknown
General specs
General specs — specifications for A5 Duo, s450.
SpecificationA5 Duos450
Release date
  • 2013
  • August
  • 2014
  • May
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 100 EUR
Unknown
Battery life
  • Stand by time- Up to 220 h Talking time- Up to 6 h 40 min (2G) / Up to 6 h (3G)
  • Stand by time- Up to 240 h (3G) Talking time- Up to 5 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A5 Duo, s450.
SpecificationA5 Duos450
SIM card
  • Dual 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 900 / 2100-4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM1 & SIM 2 (optional)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi Direct
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for A5 Duo, s450.
SpecificationA5 Duos450
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A5 Duo, s450.
SpecificationA5 Duos450
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity - Flashlight