Allview A4 Duo vs Celkon Q452

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: 18.4 g lighter

    A4 Duo:
    110.6 g
    Q452:
    129 g
  • Width

    A4 Duo: 3.3 mm narrower

    A4 Duo:
    63.2 mm
    Q452:
    66.5 mm
  • Screen diagonal

    A4 Duo: 1 in smaller diagonal

    A4 Duo:
    3.5 in
    Q452:
    4.5 in
  • Depth

    Q452: 2.5 mm thinner

    A4 Duo:
    12 mm
    Q452:
    9.5 mm
  • Height

    A4 Duo: 17.4 mm shorter

    A4 Duo:
    116.1 mm
    Q452:
    133.5 mm
  • Release year

    A4 Duo:
    2013
    Q452:
    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 +2.5 mm versus Q452
  2. 2. Q452

    Height:
    133.5 mm +17.4 mm versus A4 Duo
    Width:
    66.5 mm +3.3 mm versus A4 Duo
    Depth:
    9.5 mm

Weight

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

  1. 1. A4 Duo

    110.6 g

  2. 2. Q452

    129 g

    +18.4 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. Q452

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    57.6 cm²

Q452 has approximately 58% 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

Q452: Original memory entry

8 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. A4 Duo

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

2. Q452

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. A4 Duo

    1200 mAh

  2. 2. Q452

    1500 mAh

    +300 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. Q452

Everyday essentials
Everyday essentials — specifications for A4 Duo, Q452.
SpecificationA4 DuoQ452
Dimensions (HxWxD)
  • 116.1 Х 63.2 Х 12 mm
  • 133.5 Х 66.5 Х 9.5 mm
Weight
  • 110.6 g
  • 129 g
Technology
  • TFT
Unknown
Screen size
  • 3.5" inch
  • 4.5" inch
Screen resolution
  • 320 x 480 px
  • 480 x 800 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
  • 8 GB
  • 512 MB RAM
Memory card support
  • panorama
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Li-Ion
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 4.4.2 (KitKat)
Chipset Unknown
  • Spreadtrum 7731
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A4 Duo, Q452.
SpecificationA4 DuoQ452
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
Unknown
Screen area
  • 36.5 cm2
  • 57.6 cm2
Screen format
  • 3:2 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 149.7 g
  • 64.9%
PPI /points per inch/
  • 165 PPI
  • 207 PPI
Camera and Video
Camera and Video — specifications for A4 Duo, Q452.
SpecificationA4 DuoQ452
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 1.3 MP
  • Single
Specifications
  • Super AMOLED
  • 1.3 MP
Performance

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

Performance — specifications for A4 Duo, Q452.
SpecificationA4 DuoQ452
Processor CPU
  • Dual-core 1.0 GHz Cotex-A7
  • Quad-core 1.2 GHz
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Mali-400
Antutu 7 score *
  • 11698
Unknown
General specs
General specs — specifications for A4 Duo, Q452.
SpecificationA4 DuoQ452
Release date
  • 2013
  • November
  • 2015
  • May
Colors
  • Black
  • White
  • Silver
  • Black
  • Brown
  • Green
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
Unknown
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, Q452.
SpecificationA4 DuoQ452
SIM card
  • Dual SIM (dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • Yes
  • 384 kbps
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
GPS
  • panorama
  • Yes
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR EU - 0.52 W/kg (head) 0.40 W/kg (body)
Music and Audio
Music and Audio — specifications for A4 Duo, Q452.
SpecificationA4 DuoQ452
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A4 Duo, Q452.
SpecificationA4 DuoQ452
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer