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Celkon Q405 vs Plum Sync 4.0b

Compare recorded specifications, size and practical differences.

Celkon Q405

Celkon Q405

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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.

  • WeightSync 4.0b: 52.2 g lighterSync 4.0b: 84.8 g · Q405: 137 g
  • ChipsetSpreadtrum 7731 / Mediatek MT6572 (28 nm)Q405: Spreadtrum 7731 · Sync 4.0b: Mediatek MT6572 (28 nm)
  • DepthQ405: 0.5 mm thinnerQ405: 9.9 mm · Sync 4.0b: 10.4 mm

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
Q405: 124 × 64.2 mm 1 Sync 4.0b: 124.5 × 63.5 mm 2
Side
Q405: 124 × 9.9 mm 1 Sync 4.0b: 124.5 × 10.4 mm 2
  1. 1. Q405
    Height
    124 mm
    Width
    64.2 mm
    Depth
    9.9 mm
    Weight
    137 g
  2. 2. Sync 4.0b
    Height
    124.5 mm
    Width
    63.5 mm
    Depth
    10.4 mm+0.5 mm versus Q405
    Weight
    84.8 g
Weight

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

  1. 1. Q405137 g

    +52.2 g versus Sync 4.0b

  2. 2. Sync 4.0b84.8 g

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
Q405: 4 in, 5:3, About 45.5 cm² rectangular area 1 Sync 4.0b: 4 in, 5:3, About 45.5 cm² rectangular area 2
  1. 1. Q405 4 in · 5:3 About 45.5 cm² rectangular area
  2. 2. Sync 4.0b 4 in · 5:3 About 45.5 cm² rectangular area

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.

Q405: Original memory entry

4 GB · 512 MB RAM

Sync 4.0b: Original memory entry

512 MB · 256 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. Q405

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

2. Sync 4.0b

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 capacity

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

  1. 1. Q4051500 mAh

    +200 mAh versus Sync 4.0b

  2. 2. Sync 4.0b1300 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. Q4052. Sync 4.0b

Everyday essentials
Everyday essentials
SpecificationQ405Sync 4.0b
Dimensions (HxWxD)
  • 124 Х 64.2 Х 9.9 mm
  • 124.5 Х 63.5 Х 10.4 mm
Weight
  • 137 g
  • 84.8 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 4" inch
Screen resolution
  • 480 x 800 px
  • 480 x 800 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB
BatteryCapacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4 (KitKat)
  • Android 4.4 (KitKat)
Chipset
  • Spreadtrum 7731
  • Mediatek MT6572 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationQ405Sync 4.0b
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 45.5 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 57.2%
  • 57.6%
PPI /points per inch/
  • 233 PPI
  • 233 PPI
Camera and Video
Camera and Video
SpecificationQ405Sync 4.0b
Rear camera, main
  • 3.15 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 3.15 MP
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 1.3 MP
  • 1.3 MP
Performance
Performance
SpecificationQ405Sync 4.0b
Processor CPU
  • Quad-core 1.2 GHz
  • Dual-core 1.0 GHz Cortex-A7
Graphics processor GPU
  • Mali-400
  • Mali-400
General specs
General specs
SpecificationQ405Sync 4.0b
Release date
  • 2015
  • May
  • 2015
  • June
Colors
  • Black
  • White
  • Gold
  • Blue
  • Black
  • White
  • Red
  • Blue
Battery life Unknown
  • Stand by time- Up to 180 h Talking time- Up to 2 h 30 min
Communication and Connectivity
Communication and Connectivity
SpecificationQ405Sync 4.0b
SIM card
  • Dual SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • No
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 2.0
  • 2.0
Harmful irradiation
  • SAR EU - 0.25 W/kg (head) 0.55 W/kg (body)
Unknown
Music and Audio
Music and Audio
SpecificationQ405Sync 4.0b
Radio
  • FM radio
  • FM radio
Other features
Other features
SpecificationQ405Sync 4.0b
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer Flashlight Also known as Plum Sync 4.0b X400