Allview A4 Duo vs vivo U10

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

    A4 Duo: 79.9 g lighter

    A4 Duo:
    110.6 g
    U10:
    190.5 g
  • Width

    A4 Duo: 13.6 mm narrower

    A4 Duo:
    63.2 mm
    U10:
    76.8 mm
  • Screen diagonal

    A4 Duo: 2.85 in smaller diagonal

    A4 Duo:
    3.5 in
    U10:
    6.35 in
  • Rear camera layout

    A4 Duo:
    Single
    U10:
    Triple
  • Depth

    U10: 3.1 mm thinner

    A4 Duo:
    12 mm
    U10:
    8.9 mm
  • Height

    A4 Duo: 43.3 mm shorter

    A4 Duo:
    116.1 mm
    U10:
    159.4 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. A4 Duo

    Height:
    116.1 mm
    Width:
    63.2 mm
    Depth:
    12 mm +3.1 mm versus U10
  2. 2. U10

    Height:
    159.4 mm +43.3 mm versus A4 Duo
    Width:
    76.8 mm +13.6 mm versus A4 Duo
    Depth:
    8.9 mm

Weight

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

  1. 1. A4 Duo

    110.6 g

  2. 2. U10

    190.5 g

    +79.9 g versus A4 Duo

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. A4 Duo

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. U10

    U10: Screen geometry unavailable or conflicting.

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 A4 Duo, U10, compared at the same storage capacity.
StorageA4 DuoU10
32 GB Unknown 3 GB RAM
64 GB Unknown 3 / 4 GB RAM Alternative RAM configurations
A4 Duo: Original memory entry

512 MB RAM - Liquid M2208 GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. A4 Duo

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details panorama

2. U10

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. A4 Duo

    1200 mAh

  2. 2. U10

    5000 mAh

    +3800 mAh versus A4 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. A4 Duo2. U10

Everyday essentials
Everyday essentials — specifications for A4 Duo, U10.
SpecificationA4 DuoU10
Dimensions (HxWxD)
  • 116.1 Х 63.2 Х 12 mm
  • 159.4 Х 76.8 Х 8.9 mm
Weight
  • 110.6 g
  • 190.5 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 6.35" inch
Screen resolution
  • 320 x 480 px
  • 720 x 1544 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
  • 32GB 3GB RAM
  • 64GB 3GB RAM
  • 64GB 4GB RAM
Memory card support
  • panorama
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 9.0 (Pie)
Chipset Unknown
  • Qualcomm SDM665 Snapdragon 665 (11 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A4 Duo, U10.
SpecificationA4 DuoU10
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 36.5 cm2
  • 99.6 cm2
Screen format
  • 3:2 (height:width)
Unknown
Screen to body ratio
  • 149.7 g
  • 81.4%
PPI /points per inch/
  • 165 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for A4 Duo, U10.
SpecificationA4 DuoU10
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Triple
Camera specs
  • 2 MP
  • 13 MP
  • f/2.2
  • (wide)
  • PDAF -8 MP
  • 13mm (ultrawide) -2 MP
  • f/2.4
  • depth sensor
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications
  • Super AMOLED
  • 8 MP
  • f/1.8
Performance

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

Performance — specifications for A4 Duo, U10.
SpecificationA4 DuoU10
Processor CPU
  • Dual-core 1.0 GHz Cotex-A7
  • Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Adreno 610
Antutu 7 score *
  • 11698
  • 143200
General specs
General specs — specifications for A4 Duo, U10.
SpecificationA4 DuoU10
Release date
  • 2013
  • November
  • 2019
  • September
Colors
  • Black
  • Thunder Black
  • Electric Blue
  • Black
  • Blue
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 120 EUR
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 A4 Duo, U10.
SpecificationA4 DuoU10
SIM card
  • Dual SIM (dual stand-by)
  • 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 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 400/50 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 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • panorama
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for A4 Duo, U10.
SpecificationA4 DuoU10
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A4 Duo, U10.
SpecificationA4 DuoU10
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 18W - Also known as vivo U3x