Celkon Campus Buddy A404 vs Unnecto Drone

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

    Drone: 14 g lighter

    Campus Buddy A404:
    131 g
    Drone:
    117 g
  • Width

    Drone: 7.8 mm narrower

    Campus Buddy A404:
    64.2 mm
    Drone:
    56.4 mm
  • Screen diagonal

    Drone: 0.8 in smaller diagonal

    Campus Buddy A404:
    4 in
    Drone:
    3.2 in
  • Depth

    Campus Buddy A404: 2.6 mm thinner

    Campus Buddy A404:
    9.8 mm
    Drone:
    12.4 mm
  • Height

    Drone: 23.9 mm shorter

    Campus Buddy A404:
    126.5 mm
    Drone:
    102.6 mm
  • Release year

    Campus Buddy A404:
    2014
    Drone:
    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 +23.9 mm versus Drone
    Width:
    64.2 mm +7.8 mm versus Drone
    Depth:
    9.8 mm
  2. 2. Drone

    Height:
    102.6 mm
    Width:
    56.4 mm
    Depth:
    12.4 mm +2.6 mm versus Campus Buddy A404

Weight

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

  1. 1. Campus Buddy A404

    131 g

    +14 g versus Drone

  2. 2. Drone

    117 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. Drone

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

Campus Buddy A404 has approximately 56.3% more rectangular screen area than Drone.

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, Drone, compared at the same storage capacity.
StorageCampus Buddy A404Drone
4 GB Unknown 2 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. Drone

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

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

    +700 mAh versus Drone

  2. 2. Drone

    800 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. Drone

Everyday essentials
Everyday essentials — specifications for Campus Buddy A404, Drone.
SpecificationCampus Buddy A404Drone
Dimensions (HxWxD)
  • 126.5 Х 64.2 Х 9.8 mm
  • 102.6 Х 56.4 Х 12.4 mm
Weight
  • 131 g
  • 117 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 3.2" inch
Screen resolution
  • 480 x 800 px
  • 240 x 400 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
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 800 mAh
  • Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 2.2 (Froyo)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Campus Buddy A404, Drone.
SpecificationCampus Buddy A404Drone
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Screen area
  • 45.5 cm2
  • 29.1 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 56.1%
  • 50.4%
PPI /points per inch/
  • 233 PPI
  • 146 PPI
Camera and Video
Camera and Video — specifications for Campus Buddy A404, Drone.
SpecificationCampus Buddy A404Drone
Rear camera, main
  • 3.15 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.15 MP
  • 2 MP
Functions
  • LED flash
  • LED flash
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, Drone.
SpecificationCampus Buddy A404Drone
Processor CPU
  • Dual-core 1.3 GHz
Unknown
General specs
General specs — specifications for Campus Buddy A404, Drone.
SpecificationCampus Buddy A404Drone
Release date
  • 2014
  • July
  • 2012
  • February
Colors
  • Black
  • White
  • Black/black
  • Black/Silver
  • Black/White
Battery life Unknown
  • Stand by time- Up to 100 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for Campus Buddy A404, Drone.
SpecificationCampus Buddy A404Drone
SIM card
  • Dual SIM
  • Dual SIM (dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Unknown
Speed
  • Yes
  • 384 kbps
Unknown
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
  • No
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 2.0
  • 2.1
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for Campus Buddy A404, Drone.
SpecificationCampus Buddy A404Drone
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Campus Buddy A404, Drone.
SpecificationCampus Buddy A404Drone
Dop
  • Sensors Accelerometer
Unknown