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Celkon A403 vs Vertu Constellation Quest

Compare recorded specifications, size and practical differences.

Celkon A403

Celkon A403

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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

    A403: 52 g lighter

    A403:
    113 g
    Constellation Quest:
    165 g
  • Width

    Constellation Quest: 4.2 mm narrower

    A403:
    65 mm
    Constellation Quest:
    60.8 mm
  • Screen diagonal

    Constellation Quest: 1.54 in smaller diagonal

    A403:
    4 in
    Constellation Quest:
    2.46 in
  • Depth

    A403: 2.5 mm thinner

    A403:
    10.2 mm
    Constellation Quest:
    12.7 mm
  • Height

    Constellation Quest: 8.8 mm shorter

    A403:
    125 mm
    Constellation Quest:
    116.2 mm
  • Release year

    A403:
    2015
    Constellation Quest:
    2010

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.

Front
Front — relative 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. A403: height 125 mm; Width 65 mm. Constellation Quest: height 116.2 mm; Width 60.8 mm. A403: 125 × 65 mm 1 Constellation Quest: 116.2 × 60.8 mm 2
Side
Side — relative 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. A403: height 125 mm; Depth 10.2 mm. Constellation Quest: height 116.2 mm; Depth 12.7 mm. A403: 125 × 10.2 mm 1 Constellation Quest: 116.2 × 12.7 mm 2
  1. 1. A403

    Height:
    125 mm +8.8 mm versus Constellation Quest
    Width:
    65 mm +4.2 mm versus Constellation Quest
    Depth:
    10.2 mm
    Weight:
    113 g
  2. 2. Constellation Quest

    Height:
    116.2 mm
    Width:
    60.8 mm
    Depth:
    12.7 mm +2.5 mm versus A403
    Weight:
    165 g

Weight

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

  1. 1. A403

    113 g

  2. 2. Constellation Quest

    165 g

    +52 g versus A403

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.

Screen size
Relative rectangular screen sizes; numbers match the phone labels below 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. A403: screen diagonal 4 in; aspect ratio (height:width) 5:3; approximate rectangular area 45.5 cm². Constellation Quest: screen diagonal 2.46 in; aspect ratio (height:width) 4:3; approximate rectangular area 18.7 cm². A403: 4 in, 5:3, About 45.5 cm² rectangular area 1 Constellation Quest: 2.46 in, 4:3, About 18.7 cm² rectangular area 2
  1. 1. A403

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Constellation Quest

    Screen diagonal:
    2.46 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    18.7 cm²

A403 has approximately 143% more rectangular screen area than Constellation Quest.

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.

A403: Original memory entry

4 GB · 512 MB RAM

Constellation Quest: Original memory entry

8 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. A403

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. Constellation Quest

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

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. A403

    1400 mAh

  2. 2. Constellation Quest

    1500 mAh

    +100 mAh versus A403

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. A4032. Constellation Quest

Everyday essentials
Everyday essentials — specifications for A403, Constellation Quest.
SpecificationA403Constellation Quest
Dimensions (HxWxD)
  • 125 Х 65 Х 10.2 mm
  • 116.2 Х 60.8 Х 12.7 mm
Weight
  • 113 g
  • 165 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 2.46" inch
Screen resolution
  • 480 x 800 px
  • 640 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 8 GB
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (dedicated slot)
  • 32 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 1500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Symbian OS
Chipset
  • Spreadtrum SC7715
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A403, Constellation Quest.
SpecificationA403Constellation Quest
Touchscreen
  • capacitive touchscreen
Unknown
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 18.7 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 56.1%
  • 26.5%
PPI /points per inch/
  • 233 PPI
  • 325 PPI
Camera and Video
Camera and Video — specifications for A403, Constellation Quest.
SpecificationA403Constellation Quest
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • Dual-LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 0 MP,
Specifications
  • 1.3 MP
Unknown
Performance
Performance — specifications for A403, Constellation Quest.
SpecificationA403Constellation Quest
Processor CPU
  • 1.0 GHz
Unknown
General specs
General specs — specifications for A403, Constellation Quest.
SpecificationA403Constellation Quest
Release date
  • 2015
  • August
  • 2010
  • October
Colors
  • Black
  • Light Blue
  • Red
  • Yellow
  • Silver
  • Pink
  • Black
  • Brown
  • Yellow Gold
  • Carbon fibre with gold
  • Carbon fibre
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 6140 EUR
Battery life Unknown
  • Stand by time- Up to 350 h (2G) / Up to 430 h (3G) Talking time- Up to 7 h 30 min (2G) / Up to 5 h 40 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A403, Constellation Quest.
SpecificationA403Constellation Quest
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 10.2/2 Mbps
GPRS
  • Yes
  • Class 32
Edge
  • Yes
  • Class 32
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g
GPS
  • A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 2.1
  • A2DP
Harmful irradiation
  • SAR EU - 0.38 W/kg (head) 0.68 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A403, Constellation Quest.
SpecificationA403Constellation Quest
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Other features
Other features — specifications for A403, Constellation Quest.
SpecificationA403Constellation Quest
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • compass - Facebook
  • Twitter apps -MP4/H.263 player -MP3/WMA/WAV/eAAC+ player -QuickOffice editor (Word
  • Excel
  • PowerPoint) -PDF viewer -Voice memo/dial/commands -Organizer -Vertu Concierge service -Predictive text input - Optical trackpad