Allview A4 Duo vs YU Yutopia

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: 48.4 g lighter

    A4 Duo:
    110.6 g
    Yutopia:
    159 g
  • Width

    A4 Duo: 9.5 mm narrower

    A4 Duo:
    63.2 mm
    Yutopia:
    72.7 mm
  • Screen diagonal

    A4 Duo: 1.7 in smaller diagonal

    A4 Duo:
    3.5 in
    Yutopia:
    5.2 in
  • Depth

    Yutopia: 4.8 mm thinner

    A4 Duo:
    12 mm
    Yutopia:
    7.2 mm
  • Height

    A4 Duo: 30.5 mm shorter

    A4 Duo:
    116.1 mm
    Yutopia:
    146.6 mm
  • Release year

    A4 Duo:
    2013
    Yutopia:
    2015

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 +4.8 mm versus Yutopia
  2. 2. Yutopia

    Height:
    146.6 mm +30.5 mm versus A4 Duo
    Width:
    72.7 mm +9.5 mm versus A4 Duo
    Depth:
    7.2 mm

Weight

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

  1. 1. A4 Duo

    110.6 g

  2. 2. Yutopia

    159 g

    +48.4 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.

  1. 1. A4 Duo

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

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

Yutopia has approximately 104.4% more rectangular screen area than A4 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.

A4 Duo: Original memory entry

512 MB RAM - Liquid M2208 GB

Yutopia: Original memory entry

32 GB · 512GB 4GB

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. Yutopia

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. A4 Duo

    1200 mAh

  2. 2. Yutopia

    3000 mAh

    +1800 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. Yutopia

Everyday essentials
Everyday essentials — specifications for A4 Duo, Yutopia.
SpecificationA4 DuoYutopia
Dimensions (HxWxD)
  • 116.1 Х 63.2 Х 12 mm
  • 146.6 Х 72.7 Х 7.2 mm
Weight
  • 110.6 g
  • 159 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 5.2" inch
Screen resolution
  • 320 x 480 px
  • 1440 x 2560 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
  • 32 GB
  • 512GB 4GB
Memory card support
  • panorama
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 5.1.1 (Lollipop)
  • Cyanogen 12.1
Chipset Unknown
  • Qualcomm MSM8994 Snapdragon 810 (20 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A4 Duo, Yutopia.
SpecificationA4 DuoYutopia
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 36.5 cm2
  • 74.5 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 149.7 g
  • 69.9%
PPI /points per inch/
  • 165 PPI
  • 565 PPI
Screen protection Unknown
  • Corning Concore Glass
Camera and Video
Camera and Video — specifications for A4 Duo, Yutopia.
SpecificationA4 DuoYutopia
Rear camera, main
  • 2 MP
  • Single
  • 21 MP
  • Single
Camera specs
  • 2 MP
  • 21 MP
  • f/2.2
  • 27mm (wide)
  • 1/2.4''
  • 1.12µm
  • OIS
  • PDAF
Functions Unknown
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • Yes
  • 2160p@30fps
  • 720p@120fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications
  • Super AMOLED
  • 8 MP
  • f/2.2
  • 1/3.2''
  • 1.4µm
Performance

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

Performance — specifications for A4 Duo, Yutopia.
SpecificationA4 DuoYutopia
Processor CPU
  • Dual-core 1.0 GHz Cotex-A7
  • Octa-core (4x2.0 GHz Cortex A57 & 4x1.5 GHz Cortex-A53)
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Adreno 430
Antutu 7 score *
  • 11698
Unknown
General specs
General specs — specifications for A4 Duo, Yutopia.
SpecificationA4 DuoYutopia
Release date
  • 2013
  • November
  • 2015
  • December
Colors
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 420 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 8 h 20 min
  • Stand by time- Up to 300 h (3G) Talking time- Up to 8 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A4 Duo, Yutopia.
SpecificationA4 DuoYutopia
SIM card
  • Dual SIM (dual stand-by)
  • Hybrid Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 5(850)
  • 7(2600)
  • 20(800)
  • 40(2300)
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 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
  • Wi-Fi Direct
  • hotspot
GPS
  • panorama
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for A4 Duo, Yutopia.
SpecificationA4 DuoYutopia
Radio
  • FM radio
  • FM radio
Others Unknown
  • DTS sound -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A4 Duo, Yutopia.
SpecificationA4 DuoYutopia
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • barometer
  • compass - Fast battery charging (Quick Charge 2.0) - Also known as YU Yutopia YU5050