Allview A4 Duo vs HTC U11

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: 58.4 g lighter

    A4 Duo:
    110.6 g
    U11:
    169 g
  • Width

    A4 Duo: 12.7 mm narrower

    A4 Duo:
    63.2 mm
    U11:
    75.9 mm
  • Screen diagonal

    A4 Duo: 2 in smaller diagonal

    A4 Duo:
    3.5 in
    U11:
    5.5 in
  • Depth

    U11: 4.1 mm thinner

    A4 Duo:
    12 mm
    U11:
    7.9 mm
  • Height

    A4 Duo: 37.8 mm shorter

    A4 Duo:
    116.1 mm
    U11:
    153.9 mm
  • Release year

    A4 Duo:
    2013
    U11:
    2017

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 +4.1 mm versus U11
  2. 2. U11

    Height:
    153.9 mm +37.8 mm versus A4 Duo
    Width:
    75.9 mm +12.7 mm versus A4 Duo
    Depth:
    7.9 mm

Weight

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

  1. 1. A4 Duo

    110.6 g

  2. 2. U11

    169 g

    +58.4 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. U11

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

U11 has approximately 128.6% 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

U11: Original memory entry

128 GB · 6 GB RAM 64 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. U11

NFC:
Yes
Headphone jack:
No
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 slot) - dual SIM model only

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. U11

    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. U11

Everyday essentials
Everyday essentials — specifications for A4 Duo, U11.
SpecificationA4 DuoU11
Dimensions (HxWxD)
  • 116.1 Х 63.2 Х 12 mm
  • 153.9 Х 75.9 Х 7.9 mm
Weight
  • 110.6 g
  • 169 g
Technology
  • TFT
  • Super LCD5
Screen size
  • 3.5" inch
  • 5.5" 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
  • 128 GB
  • 6 GB RAM 64 GB
  • 512GB 4GB
Memory card support
  • panorama
  • microSD
  • up to 512 GB (uses SIM 2 slot) - dual SIM model only
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 7.1 (Nougat)
  • upgradable to Android 8.0 (Oreo); Sense UI
Chipset Unknown
  • Qualcomm MSM8998 Snapdragon 835 (10 nm)
NFC
  • Super AMOLED
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for A4 Duo, U11.
SpecificationA4 DuoU11
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
  • 149.7 g
  • 71.4%
PPI /points per inch/
  • 165 PPI
  • 534 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video

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

Camera and Video — specifications for A4 Duo, U11.
SpecificationA4 DuoU11
Rear camera, main
  • 2 MP
  • Single
  • 12 MP
  • Single
Camera specs
  • 2 MP
  • 12 MP
  • f/1.7
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF
  • 5-axis OIS
Functions Unknown
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 16 MP
  • Single
Specifications
  • Super AMOLED
  • 16 MP
  • f/2.0
DxOMark Main Score * Unknown
  • 90
DxOMark Photo * Unknown
  • 90
DxOMark Video * Unknown
  • 89
Performance

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

Performance — specifications for A4 Duo, U11.
SpecificationA4 DuoU11
Processor CPU
  • Dual-core 1.0 GHz Cotex-A7
  • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Adreno 540
Antutu 7 score *
  • 11698
  • 214359
GeekBench 4 Single Core * Unknown
  • 1913
GeekBench 4 Multi-Core * Unknown
  • 6333
GeekBench 4 RenderScript * Unknown
  • 7938
GeekBench 5 Single Core * Unknown
  • 382
GeekBench 5 Multi-Core * Unknown
  • 1468
General specs
General specs — specifications for A4 Duo, U11.
SpecificationA4 DuoU11
Release date
  • 2013
  • November
  • 2017
  • May
Colors
  • Black
  • Amazing Silver
  • Sapphire Blue
  • Brilliant Black
  • Ice White
  • Solar Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 370 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 8 h 20 min
  • Stand by time- Up to 336 h (3G) Talking time- Up to 24 h 30 min (3G)
Body build Unknown
  • Front/back glass
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for A4 Duo, U11.
SpecificationA4 DuoU11
SIM card
  • Dual SIM (dual stand-by)
  • Single SIM (Nano-SIM)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 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (4CA) Cat16 1024/75 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
  • DLNA
  • hotspot
GPS
  • panorama
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 3.1
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.2
  • A2DP
  • LE (5.0 after SW update)
Music and Audio
Music and Audio — specifications for A4 Duo, U11.
SpecificationA4 DuoU11
Radio
  • FM radio
  • No
Others Unknown
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A4 Duo, U11.
SpecificationA4 DuoU11
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0) - IP67 dust/water resistant (up to 1m for 30 mins) - Also known as HTC U11 Dual SIM with dual-SIM card slots128GB/6GB (China
  • Taiwan
  • Malaysia
  • Singapore
  • India
  • Hong Kong
  • Russia
  • Saudi Arabia
  • Philippines)