Celkon Campus Buddy A404 vs Sony Xperia E4

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: 13 g lighter

    Campus Buddy A404:
    131 g
    Xperia E4:
    144 g
  • Width

    Campus Buddy A404: 10.4 mm narrower

    Campus Buddy A404:
    64.2 mm
    Xperia E4:
    74.6 mm
  • Screen diagonal

    Campus Buddy A404: 1 in smaller diagonal

    Campus Buddy A404:
    4 in
    Xperia E4:
    5 in
  • Depth

    Campus Buddy A404: 0.7 mm thinner

    Campus Buddy A404:
    9.8 mm
    Xperia E4:
    10.5 mm
  • Height

    Campus Buddy A404: 10.5 mm shorter

    Campus Buddy A404:
    126.5 mm
    Xperia E4:
    137 mm
  • Release year

    Campus Buddy A404:
    2014
    Xperia E4:
    2015

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. 2. Xperia E4

    Height:
    137 mm +10.5 mm versus Campus Buddy A404
    Width:
    74.6 mm +10.4 mm versus Campus Buddy A404
    Depth:
    10.5 mm +0.7 mm versus Campus Buddy A404

Weight

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

  1. 1. Campus Buddy A404

    131 g

  2. 2. Xperia E4

    144 g

    +13 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. Xperia E4

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

Xperia E4 has approximately 51.3% 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, Xperia E4, compared at the same storage capacity.
StorageCampus Buddy A404Xperia E4
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. Xperia E4

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

  2. 2. Xperia E4

    2300 mAh

    +800 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. Xperia E4

Everyday essentials
Everyday essentials — specifications for Campus Buddy A404, Xperia E4.
SpecificationCampus Buddy A404Xperia E4
Dimensions (HxWxD)
  • 126.5 Х 64.2 Х 9.8 mm
  • 137 Х 74.6 Х 10.5 mm
Weight
  • 131 g
  • 144 g
Technology Unknown
  • IPS LCD
Screen size
  • 4" inch
  • 5" inch
Screen resolution
  • 480 x 800 px
  • 540 x 960 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 (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 2300 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 4.4.4 (KitKat)
Chipset Unknown
  • Mediatek MT6582 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Campus Buddy A404, Xperia E4.
SpecificationCampus Buddy A404Xperia E4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 68.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.1%
  • 67.4%
PPI /points per inch/
  • 233 PPI
  • 220 PPI
Screen protection Unknown
  • Scratch-resistant glass
Camera and Video
Camera and Video — specifications for Campus Buddy A404, Xperia E4.
SpecificationCampus Buddy A404Xperia E4
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • 5 MP
  • AF
  • f/2.6
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p
  • 720p
Front camera, selfie
  • 1.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 1.3 MP
  • 2 MP
  • f/2.8
Performance

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

Performance — specifications for Campus Buddy A404, Xperia E4.
SpecificationCampus Buddy A404Xperia E4
Processor CPU
  • Dual-core 1.3 GHz
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400MP2
Antutu 7 score * Unknown
  • 17822
General specs
General specs — specifications for Campus Buddy A404, Xperia E4.
SpecificationCampus Buddy A404Xperia E4
Release date
  • 2014
  • July
  • 2015
  • February
Colors
  • Black
  • White
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 120 EUR
Battery life Unknown
  • Stand by time- Up to 696 h (2G) / Up to 653 h (3G) Talking time- Up to 12 h (2G) / Up to 12 h 40 min (3G) Music play - Up to 48 h
Communication and Connectivity
Communication and Connectivity — specifications for Campus Buddy A404, Xperia E4.
SpecificationCampus Buddy A404Xperia E4
SIM card
  • Dual SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • Yes
  • 384 kbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Up to 107 kbps
Edge
  • Yes
  • Up to 296 kbps
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
Bluetooth
  • 2.0
  • 4.1
  • A2DP
  • aptX
Harmful irradiation Unknown
  • SAR - 1.01 W/kg (head) 0.77 W/kg (body) SAR EU - 0.62 W/kg (head) 0.58 W/kg (body)
Music and Audio
Music and Audio — specifications for Campus Buddy A404, Xperia E4.
SpecificationCampus Buddy A404Xperia E4
Radio
  • FM radio
  • FM radio
  • RDS
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Campus Buddy A404, Xperia E4.
SpecificationCampus Buddy A404Xperia E4
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity