Celkon Campus Buddy A404 vs vivo Y11

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

    Y11: 7 g lighter

    Campus Buddy A404:
    131 g
    Y11:
    124 g
  • Width

    Y11: 1.7 mm narrower

    Campus Buddy A404:
    64.2 mm
    Y11:
    62.5 mm
  • Depth

    Y11: 1 mm thinner

    Campus Buddy A404:
    9.8 mm
    Y11:
    8.8 mm
  • Height

    Y11: 3.5 mm shorter

    Campus Buddy A404:
    126.5 mm
    Y11:
    123 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.

  1. 1. Campus Buddy A404

    Height:
    126.5 mm +3.5 mm versus Y11
    Width:
    64.2 mm +1.7 mm versus Y11
    Depth:
    9.8 mm +1 mm versus Y11
  2. 2. Y11

    Height:
    123 mm
    Width:
    62.5 mm
    Depth:
    8.8 mm

Weight

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

  1. 1. Campus Buddy A404

    131 g

    +7 g versus Y11

  2. 2. Y11

    124 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. Y11

    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

Y11: 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. Y11

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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

  2. 2. Y11

    1700 mAh

    +200 mAh versus Campus Buddy A404

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. Y11

Everyday essentials
Everyday essentials — specifications for Campus Buddy A404, Y11.
SpecificationCampus Buddy A404Y11
Dimensions (HxWxD)
  • 126.5 Х 64.2 Х 9.8 mm
  • 123 Х 62.5 Х 8.8 mm
Weight
  • 131 g
  • 124 g
Technology Unknown
  • IPS LCD
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
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1700 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 4.4.4 (KitKat)
Chipset Unknown
  • Mediatek MT6582М
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Campus Buddy A404, Y11.
SpecificationCampus Buddy A404Y11
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
  • 56.1%
  • 59.2%
PPI /points per inch/
  • 233 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Campus Buddy A404, Y11.
SpecificationCampus Buddy A404Y11
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 1.3 MP
  • 2 MP
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Campus Buddy A404, Y11.
SpecificationCampus Buddy A404Y11
Processor CPU
  • Dual-core 1.3 GHz
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400MP2
Antutu 7 score * Unknown
  • 88255
GeekBench 4 Single Core * Unknown
  • 352
GeekBench 4 Multi-Core * Unknown
  • 1173
General specs
General specs — specifications for Campus Buddy A404, Y11.
SpecificationCampus Buddy A404Y11
Release date
  • 2014
  • July
  • 2014
  • Q4
Colors
  • Black
  • White
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life Unknown
  • Talking time- Up to 11 h (2G) / Up to 8 h (3G) Music play - Up to 34 h
Communication and Connectivity
Communication and Connectivity — specifications for Campus Buddy A404, Y11.
SpecificationCampus Buddy A404Y11
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 21.1/7.2 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for Campus Buddy A404, Y11.
SpecificationCampus Buddy A404Y11
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Campus Buddy A404, Y11.
SpecificationCampus Buddy A404Y11
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity
  • Infrared port