Celkon Campus Buddy A404 vs Unnecto Quattro

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

    Campus Buddy A404: 9 g lighter

    Campus Buddy A404:
    131 g
    Quattro:
    140 g
  • Depth

    Campus Buddy A404: 1.7 mm thinner

    Campus Buddy A404:
    9.8 mm
    Quattro:
    11.5 mm
  • Height

    Quattro: 3.5 mm shorter

    Campus Buddy A404:
    126.5 mm
    Quattro:
    123 mm
  • Release year

    Campus Buddy A404:
    2014
    Quattro:
    2012

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. Campus Buddy A404

    Height:
    126.5 mm +3.5 mm versus Quattro
    Width:
    64.2 mm
    Depth:
    9.8 mm
  2. 2. Quattro

    Height:
    123 mm
    Width:
    65 mm
    Depth:
    11.5 mm +1.7 mm versus Campus Buddy A404

Weight

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

  1. 1. Campus Buddy A404

    131 g

  2. 2. Quattro

    140 g

    +9 g versus Campus Buddy A404

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. Campus Buddy A404

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

    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.

Campus Buddy A404: Original memory entry

4 GB · 512 MB RAM

Quattro: Original memory entry

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. Campus Buddy A404

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

2. Quattro

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 8 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. Campus Buddy A404

    1500 mAh

    +100 mAh versus Quattro

  2. 2. Quattro

    1400 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. Campus Buddy A4042. Quattro

Everyday essentials
Everyday essentials — specifications for Campus Buddy A404, Quattro.
SpecificationCampus Buddy A404Quattro
Dimensions (HxWxD)
  • 126.5 Х 64.2 Х 9.8 mm
  • 123 Х 65 Х 11.5 mm
Weight
  • 131 g
  • 140 g
Technology Unknown
  • TFT
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
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (dedicated slot)
  • 8 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1400 mAh
  • Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 2.3 (Gingerbread)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Campus Buddy A404, Quattro.
SpecificationCampus Buddy A404Quattro
Touchscreen
  • capacitive 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
  • 56.1%
  • 57.0%
PPI /points per inch/
  • 233 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Campus Buddy A404, Quattro.
SpecificationCampus Buddy A404Quattro
Rear camera, main
  • 3.15 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 3.15 MP
  • 3.15 MP
Functions
  • LED flash
Unknown
Video
  • 720p
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 1.3 MP
  • VGA
Performance
Performance — specifications for Campus Buddy A404, Quattro.
SpecificationCampus Buddy A404Quattro
Processor CPU
  • Dual-core 1.3 GHz
Unknown
General specs
General specs — specifications for Campus Buddy A404, Quattro.
SpecificationCampus Buddy A404Quattro
Release date
  • 2014
  • July
  • 2012
  • March
Colors
  • Black
  • White
  • Black
Battery life Unknown
  • Stand by time- Up to 170 h Talking time- Up to 3 h
Communication and Connectivity
Communication and Connectivity — specifications for Campus Buddy A404, Quattro.
SpecificationCampus Buddy A404Quattro
SIM card
  • Dual SIM
  • Dual SIM (dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • Yes
  • 384 kbps
  • HSPA 7.2/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 2.0
  • 2.1
  • EDR
Music and Audio
Music and Audio — specifications for Campus Buddy A404, Quattro.
SpecificationCampus Buddy A404Quattro
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Campus Buddy A404, Quattro.
SpecificationCampus Buddy A404Quattro
Dop
  • Sensors Accelerometer
Unknown