Celkon Campus Buddy A404 vs Unnecto Quattro S

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    Quattro S: 18 g lighter

    Campus Buddy A404:
    131 g
    Quattro S:
    113 g
  • Height

    Quattro S: 2 mm shorter

    Campus Buddy A404:
    126.5 mm
    Quattro S:
    124.5 mm
  • Release year

    Campus Buddy A404:
    2014
    Quattro S:
    2016

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 +2 mm versus Quattro S
    Width:
    64.2 mm
    Depth:
    9.8 mm
  2. 2. Quattro S

    Height:
    124.5 mm
    Width:
    64.5 mm
    Depth:
    10.2 mm

Weight

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

  1. 1. Campus Buddy A404

    131 g

    +18 g versus Quattro S

  2. 2. Quattro S

    113 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.

  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 S

    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.

Recorded RAM for Campus Buddy A404, Quattro S, compared at the same storage capacity.
StorageCampus Buddy A404Quattro S
8 GB Unknown 1 GB RAM
Campus Buddy A404: 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. Campus Buddy A404

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

2. Quattro S

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. Campus Buddy A404

    1500 mAh

    +100 mAh versus Quattro S

  2. 2. Quattro S

    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 S

Everyday essentials
Everyday essentials — specifications for Campus Buddy A404, Quattro S.
SpecificationCampus Buddy A404Quattro S
Dimensions (HxWxD)
  • 126.5 Х 64.2 Х 9.8 mm
  • 124.5 Х 64.5 Х 10.2 mm
Weight
  • 131 g
  • 113 g
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
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 5.1 (Lollipop)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Campus Buddy A404, Quattro S.
SpecificationCampus Buddy A404Quattro S
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%
  • 56.7%
PPI /points per inch/
  • 233 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Campus Buddy A404, Quattro S.
SpecificationCampus Buddy A404Quattro S
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • 5 MP
  • PDAF
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p
  • 720p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 1.3 MP
  • 1.3 MP
  • AF
Performance
Performance — specifications for Campus Buddy A404, Quattro S.
SpecificationCampus Buddy A404Quattro S
Processor CPU
  • Dual-core 1.3 GHz
  • Quad-core 1.2 GHz
Graphics processor GPU Unknown
  • Mali-400
General specs
General specs — specifications for Campus Buddy A404, Quattro S.
SpecificationCampus Buddy A404Quattro S
Release date
  • 2014
  • July
  • 2016
  • May
Colors
  • Black
  • White
  • Black
  • White
  • Navy
Battery life Unknown
  • Stand by time- Up to 100 h (2G) / Up to 72 h (3G) Talking time- Up to 5 h (2G) / Up to 4 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Campus Buddy A404, Quattro S.
SpecificationCampus Buddy A404Quattro S
SIM card
  • Dual SIM
  • Dual SIM (Micro-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 42.2/21 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 2.1
Music and Audio
Music and Audio — specifications for Campus Buddy A404, Quattro S.
SpecificationCampus Buddy A404Quattro S
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features — specifications for Campus Buddy A404, Quattro S.
SpecificationCampus Buddy A404Quattro S
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity