Celkon Campus Buddy A404 vs Infinix Zero 4

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: 36.5 g lighter

    Campus Buddy A404:
    131 g
    Zero 4:
    167.5 g
  • Width

    Campus Buddy A404: 11.8 mm narrower

    Campus Buddy A404:
    64.2 mm
    Zero 4:
    76 mm
  • Screen diagonal

    Campus Buddy A404: 1.5 in smaller diagonal

    Campus Buddy A404:
    4 in
    Zero 4:
    5.5 in
  • Depth

    Zero 4: 2 mm thinner

    Campus Buddy A404:
    9.8 mm
    Zero 4:
    7.8 mm
  • Height

    Campus Buddy A404: 25 mm shorter

    Campus Buddy A404:
    126.5 mm
    Zero 4:
    151.5 mm
  • Release year

    Campus Buddy A404:
    2014
    Zero 4:
    2017

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
    Width:
    64.2 mm
    Depth:
    9.8 mm +2 mm versus Zero 4
  2. 2. Zero 4

    Height:
    151.5 mm +25 mm versus Campus Buddy A404
    Width:
    76 mm +11.8 mm versus Campus Buddy A404
    Depth:
    7.8 mm

Weight

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

  1. 1. Campus Buddy A404

    131 g

  2. 2. Zero 4

    167.5 g

    +36.5 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. Zero 4

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²

Zero 4 has approximately 83.1% more rectangular screen area than Campus Buddy A404.

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, Zero 4, compared at the same storage capacity.
StorageCampus Buddy A404Zero 4
32 GB Unknown 3 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. Zero 4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 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. Zero 4

    3200 mAh

    +1700 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. Zero 4

Everyday essentials
Everyday essentials — specifications for Campus Buddy A404, Zero 4.
SpecificationCampus Buddy A404Zero 4
Dimensions (HxWxD)
  • 126.5 Х 64.2 Х 9.8 mm
  • 151.5 Х 76 Х 7.8 mm
Weight
  • 131 g
  • 167.5 g
Technology Unknown
  • IPS LCD
Screen size
  • 4" inch
  • 5.5" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 128 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 3200 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 6.0 (Marshmallow)
Chipset Unknown
  • Mediatek MT6753 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Campus Buddy A404, Zero 4.
SpecificationCampus Buddy A404Zero 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.1%
  • 72.4%
PPI /points per inch/
  • 233 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Campus Buddy A404, Zero 4.
SpecificationCampus Buddy A404Zero 4
Rear camera, main
  • 3.15 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 3.15 MP
  • 16 MP
  • f/2.0
  • OIS
  • Laser AF/ PDAF
Functions
  • LED flash
  • LED flash
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 1.3 MP
  • 8 MP
  • f/2.2
Performance

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

Performance — specifications for Campus Buddy A404, Zero 4.
SpecificationCampus Buddy A404Zero 4
Processor CPU
  • Dual-core 1.3 GHz
  • Octa-core 1.3 GHz Cortex-A53
Graphics processor GPU Unknown
  • Mali-T720MP3
Antutu 7 score * Unknown
  • 22135
GeekBench 4 Single Core * Unknown
  • 632
GeekBench 4 Multi-Core * Unknown
  • 2913
GeekBench 5 Single Core * Unknown
  • 110
GeekBench 5 Multi-Core * Unknown
  • 418
General specs
General specs — specifications for Campus Buddy A404, Zero 4.
SpecificationCampus Buddy A404Zero 4
Release date
  • 2014
  • July
  • 2017
  • March
Colors
  • Black
  • White
  • Anthracite Grey
  • Champagne Gold
  • Barbie Pink
  • Filber Brown
Communication and Connectivity
Communication and Connectivity — specifications for Campus Buddy A404, Zero 4.
SpecificationCampus Buddy A404Zero 4
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 -3G - HSDPA 850 / 900 / 2100 HSDPA 850 / 1700 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300) LTE band 2(1900)
  • 4(1700/2100)
  • 28(700)
Speed
  • Yes
  • 384 kbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Campus Buddy A404, Zero 4.
SpecificationCampus Buddy A404Zero 4
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Campus Buddy A404, Zero 4.
SpecificationCampus Buddy A404Zero 4
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass