Celkon A40 vs Celkon Q405

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

    A40: 10.5 g lighter

    A40:
    126.5 g
    Q405:
    137 g
  • Depth

    Q405: 0.9 mm thinner

    A40:
    10.8 mm
    Q405:
    9.9 mm
  • Height

    Q405: 2.2 mm shorter

    A40:
    126.2 mm
    Q405:
    124 mm
  • Release year

    A40:
    2014
    Q405:
    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. A40

    Height:
    126.2 mm +2.2 mm versus Q405
    Width:
    64 mm
    Depth:
    10.8 mm +0.9 mm versus Q405
  2. 2. Q405

    Height:
    124 mm
    Width:
    64.2 mm
    Depth:
    9.9 mm

Weight

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

  1. 1. A40

    126.5 g

  2. 2. Q405

    137 g

    +10.5 g versus A40

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. A40

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Q405

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

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.

A40: Original memory entry

4 GB · 512 MB RAM

Q405: Original memory entry

4 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. A40

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

2. Q405

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. A40

    1500 mAh

  2. 2. Q405

    1500 mAh

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. A402. Q405

Everyday essentials
Everyday essentials — specifications for A40, Q405.
SpecificationA40Q405
Dimensions (HxWxD)
  • 126.2 Х 64 Х 10.8 mm
  • 124 Х 64.2 Х 9.9 mm
Weight
  • 126.5 g
  • 137 g
Technology
  • TFT
Unknown
Screen size
  • 4" inch
  • 4" inch
Screen resolution
  • 480 x 800 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 1500 mAh
  • Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 4.4 (KitKat)
Chipset Unknown
  • Spreadtrum 7731
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A40, Q405.
SpecificationA40Q405
Touchscreen
  • touchscreen
  • capacitive touchscreen
Screen area
  • 45.5 cm2
  • 45.5 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 56.4%
  • 57.2%
PPI /points per inch/
  • 233 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for A40, Q405.
SpecificationA40Q405
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • 3.15 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • VGA
  • 1.3 MP
Performance
Performance — specifications for A40, Q405.
SpecificationA40Q405
Processor CPU
  • Dual-core 1.3 GHz
  • Quad-core 1.2 GHz
Graphics processor GPU Unknown
  • Mali-400
General specs
General specs — specifications for A40, Q405.
SpecificationA40Q405
Release date
  • 2014
  • January
  • 2015
  • May
Colors
  • White
  • Yellow
  • Blue
  • Black
  • White
  • Gold
  • Blue
Communication and Connectivity
Communication and Connectivity — specifications for A40, Q405.
SpecificationA40Q405
SIM card
  • Dual SIM
  • Dual SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed Unknown
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 2.0
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.25 W/kg (head) 0.55 W/kg (body)
Music and Audio
Music and Audio — specifications for A40, Q405.
SpecificationA40Q405
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A40, Q405.
SpecificationA40Q405
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity