BlackBerry 6720 vs Celkon Campus Buddy A404

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: 7 g lighter

    6720:
    138 g
    Campus Buddy A404:
    131 g
  • Width

    Campus Buddy A404: 12.8 mm narrower

    6720:
    77 mm
    Campus Buddy A404:
    64.2 mm
  • Screen diagonal

    6720: 1 in smaller diagonal

    6720:
    3 in
    Campus Buddy A404:
    4 in
  • Depth

    Campus Buddy A404: 8.2 mm thinner

    6720:
    18 mm
    Campus Buddy A404:
    9.8 mm
  • Height

    6720: 5.5 mm shorter

    6720:
    121 mm
    Campus Buddy A404:
    126.5 mm
  • Release year

    6720:
    2003
    Campus Buddy A404:
    2014

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. 6720

    Height:
    121 mm
    Width:
    77 mm +12.8 mm versus Campus Buddy A404
    Depth:
    18 mm +8.2 mm versus Campus Buddy A404
  2. 2. Campus Buddy A404

    Height:
    126.5 mm +5.5 mm versus 6720
    Width:
    64.2 mm
    Depth:
    9.8 mm

Weight

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

  1. 1. 6720

    138 g

    +7 g versus Campus Buddy A404

  2. 2. Campus Buddy A404

    131 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. 6720

    Screen diagonal:
    3 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    29 cm²
  2. 2. Campus Buddy A404

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

Campus Buddy A404 has approximately 56.9% more rectangular screen area than 6720.

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.

6720: Original memory entry

16 MB · 1 MB 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. 6720

NFC:
Unknown
Headphone jack:
No
Memory card support:
No

2. Campus Buddy A404

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.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. 67202. Campus Buddy A404

Everyday essentials
Everyday essentials — specifications for 6720, Campus Buddy A404.
Specification6720Campus Buddy A404
Dimensions (HxWxD)
  • 121 Х 77 Х 18 mm
  • 126.5 Х 64.2 Х 9.8 mm
Weight
  • 138 g
  • 131 g
Technology
  • Monochrome
Unknown
Screen size
  • 3" inch
  • 4" inch
Screen resolution
  • 160 x 160 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 MB
  • 1 MB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • BlackBerry OS
  • Android 4.2.2 (Jelly Bean)
Headphone jack
  • No
  • Yes
Display
Display — specifications for 6720, Campus Buddy A404.
Specification6720Campus Buddy A404
Touchscreen Unknown
  • capacitive touchscreen
Screen area
  • 29.0 cm2
  • 45.5 cm2
Screen format
  • 1:1 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 31.2%
  • 56.1%
PPI /points per inch/
  • 75 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for 6720, Campus Buddy A404.
Specification6720Campus Buddy A404
Rear camera, main
  • 0 MP,
  • 3.15 MP
  • Single
Camera specs Unknown
  • 3.15 MP
Functions Unknown
  • LED flash
Video Unknown
  • 720p
Front camera, selfie
  • 0 MP,
  • 1.3 MP
  • Single
Specifications Unknown
  • 1.3 MP
Performance
Performance — specifications for 6720, Campus Buddy A404.
Specification6720Campus Buddy A404
Processor CPU Unknown
  • Dual-core 1.3 GHz
General specs
General specs — specifications for 6720, Campus Buddy A404.
Specification6720Campus Buddy A404
Release date
  • 2003
  • Q2
  • 2014
  • July
Colors Unknown
  • Black
  • White
Battery life
  • Stand by time- Up to 240 h Talking time- Up to 4 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for 6720, Campus Buddy A404.
Specification6720Campus Buddy A404
SIM card
  • Mini-SIM
  • Dual SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed Unknown
  • Yes
  • 384 kbps
GPRS Unknown
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
GPS
  • No
  • Yes
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • No
  • 2.0
Music and Audio
Music and Audio — specifications for 6720, Campus Buddy A404.
Specification6720Campus Buddy A404
Radio
  • No
  • FM radio
Other features
Other features — specifications for 6720, Campus Buddy A404.
Specification6720Campus Buddy A404
Dop
  • Organizer
  • Sensors Accelerometer