Allview A4ALL vs Meizu U20

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

    A4ALL: 35.3 g lighter

    A4ALL:
    122.7 g
    U20:
    158 g
  • Width

    A4ALL: 13.4 mm narrower

    A4ALL:
    62 mm
    U20:
    75.4 mm
  • Screen diagonal

    A4ALL: 2 in smaller diagonal

    A4ALL:
    3.5 in
    U20:
    5.5 in
  • Depth

    U20: 4.5 mm thinner

    A4ALL:
    12.2 mm
    U20:
    7.7 mm
  • Height

    A4ALL: 38 mm shorter

    A4ALL:
    115 mm
    U20:
    153 mm
  • Release year

    A4ALL:
    2013
    U20:
    2016

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. A4ALL

    Height:
    115 mm
    Width:
    62 mm
    Depth:
    12.2 mm +4.5 mm versus U20
  2. 2. U20

    Height:
    153 mm +38 mm versus A4ALL
    Width:
    75.4 mm +13.4 mm versus A4ALL
    Depth:
    7.7 mm

Weight

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

  1. 1. A4ALL

    122.7 g

  2. 2. U20

    158 g

    +35.3 g versus A4ALL

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. A4ALL

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. U20

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

U20 has approximately 128.6% more rectangular screen area than A4ALL.

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.

A4ALL: Original memory entry

512 MB RAM - Liquid M2208 GB · 256 MB RAM

U20: Original memory entry

32 GB · 3 GB RAM 16 GB · 2 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. A4ALL

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

2. U20

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. A4ALL

    1500 mAh

  2. 2. U20

    3260 mAh

    +1760 mAh versus A4ALL

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. A4ALL2. U20

Everyday essentials
Everyday essentials — specifications for A4ALL, U20.
SpecificationA4ALLU20
Dimensions (HxWxD)
  • 115 Х 62 Х 12.2 mm
  • 153 Х 75.4 Х 7.7 mm
Weight
  • 122.7 g
  • 158 g
Technology
  • TFT
  • LTPS IPS LCD
Screen size
  • 3.5" inch
  • 5.5" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB RAM - Liquid M2208 GB
  • 256 MB RAM
  • 32 GB
  • 3 GB RAM 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 3260 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 2.3.6 (Gingerbread)
  • Android 6.0 (Marshmallow); Flyme UI
Chipset Unknown
  • Mediatek MT6755 Helio P10 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A4ALL, U20.
SpecificationA4ALLU20
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 36.5 cm2
  • 83.4 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 51.2%
  • 72.3%
PPI /points per inch/
  • 165 PPI
  • 401 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for A4ALL, U20.
SpecificationA4ALLU20
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • PDAF
  • f/2.2
Functions Unknown
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 480p@25fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 2 MP or VGA
  • 5 MP
  • f/2.0
Performance

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

Performance — specifications for A4ALL, U20.
SpecificationA4ALLU20
Processor CPU
  • 1.0 GHz Cortex-A9
  • Octa-core (4x1.8 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • PowerVR SGX531
  • Mali-T860MP2
Antutu 7 score * Unknown
  • 50122
GeekBench 4 Single Core * Unknown
  • 703
GeekBench 4 Multi-Core * Unknown
  • 2305
GeekBench 4 RenderScript * Unknown
  • 1553
General specs
General specs — specifications for A4ALL, U20.
SpecificationA4ALLU20
Release date
  • 2013
  • April
  • 2016
  • August
Colors
  • Black
  • White
  • Blue
  • Black
  • Silver
  • Rose Gold
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
  • 190 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 5 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A4ALL, U20.
SpecificationA4ALLU20
SIM card
  • Dual SIM (dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE 1800 / 2100 / 2600
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA
  • LTE
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for A4ALL, U20.
SpecificationA4ALLU20
Radio
  • FM radio
  • RDS
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A4ALL, U20.
SpecificationA4ALLU20
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass