Celkon Campus Buddy A404 vs Xiaomi Redmi Note 8

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: 59 g lighter

    Campus Buddy A404:
    131 g
    Redmi Note 8:
    190 g
  • Width

    Campus Buddy A404: 11.1 mm narrower

    Campus Buddy A404:
    64.2 mm
    Redmi Note 8:
    75.3 mm
  • Screen diagonal

    Campus Buddy A404: 2.3 in smaller diagonal

    Campus Buddy A404:
    4 in
    Redmi Note 8:
    6.3 in
  • Rear camera layout

    Campus Buddy A404:
    Single
    Redmi Note 8:
    Quad
  • Depth

    Redmi Note 8: 1.4 mm thinner

    Campus Buddy A404:
    9.8 mm
    Redmi Note 8:
    8.4 mm
  • Height

    Campus Buddy A404: 31.8 mm shorter

    Campus Buddy A404:
    126.5 mm
    Redmi Note 8:
    158.3 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
    Width:
    64.2 mm
    Depth:
    9.8 mm +1.4 mm versus Redmi Note 8
  2. 2. Redmi Note 8

    Height:
    158.3 mm +31.8 mm versus Campus Buddy A404
    Width:
    75.3 mm +11.1 mm versus Campus Buddy A404
    Depth:
    8.4 mm

Weight

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

  1. 1. Campus Buddy A404

    131 g

  2. 2. Redmi Note 8

    190 g

    +59 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. Redmi Note 8

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 cm²

Redmi Note 8 has approximately 113.9% 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, Redmi Note 8, compared at the same storage capacity.
StorageCampus Buddy A404Redmi Note 8
32 GB Unknown 3 GB RAM
64 GB Unknown 4 / 6 GB RAM Alternative RAM configurations
128 GB Unknown 4 / 6 GB RAM Alternative RAM configurations
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. Redmi Note 8

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. Redmi Note 8

    4000 mAh

    +2500 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. Redmi Note 8

Everyday essentials
Everyday essentials — specifications for Campus Buddy A404, Redmi Note 8.
SpecificationCampus Buddy A404Redmi Note 8
Dimensions (HxWxD)
  • 126.5 Х 64.2 Х 9.8 mm
  • 158.3 Х 75.3 Х 8.4 mm
Weight
  • 131 g
  • 190 g
Technology Unknown
  • IPS LCD
Screen size
  • 4" inch
  • 6.3" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 32GB 3GB RAM
  • 64GB 4GB RAM
  • 64GB 6GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB 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
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 9.0 (Pie); MIUI 10
Chipset Unknown
  • Qualcomm SDM665 Snapdragon 665 (11 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Campus Buddy A404, Redmi Note 8.
SpecificationCampus Buddy A404Redmi Note 8
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 97.4 cm2
Screen format
  • 5:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 56.1%
  • 81.7%
PPI /points per inch/
  • 233 PPI
  • 409 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Campus Buddy A404, Redmi Note 8.
SpecificationCampus Buddy A404Redmi Note 8
Rear camera, main
  • 3.15 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 3.15 MP
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4"
  • 1.12µm -2 MP
  • f/2.4
  • 1/5"
  • 1.75µm (dedicated macro camera) -2 MP
  • 1.75µm
  • depth sensor
Functions
  • LED flash
  • HDR
  • panorama
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 1.3 MP
  • 13 MP
  • f/2.0
  • 1.12µm
Performance

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

Performance — specifications for Campus Buddy A404, Redmi Note 8.
SpecificationCampus Buddy A404Redmi Note 8
Processor CPU
  • Dual-core 1.3 GHz
  • Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Graphics processor GPU Unknown
  • Adreno 610
Antutu 7 score * Unknown
  • 143740
GeekBench 4 Single Core * Unknown
  • 1499
GeekBench 4 Multi-Core * Unknown
  • 5543
Antutu 8 score * Unknown
  • 173592
GeekBench 5 Single Core * Unknown
  • 309
GeekBench 5 Multi-Core * Unknown
  • 1328
General specs
General specs — specifications for Campus Buddy A404, Redmi Note 8.
SpecificationCampus Buddy A404Redmi Note 8
Release date
  • 2014
  • July
  • 2019
  • August
Colors
  • Black
  • White
  • Neptune Blue
  • Moonlight White
  • Space Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 190 EUR
Body build Unknown
  • Front/back glass (Gorilla Glass 5)
Communication and Connectivity
Communication and Connectivity — specifications for Campus Buddy A404, Redmi Note 8.
SpecificationCampus Buddy A404Redmi Note 8
SIM card
  • Dual SIM
  • Dual SIM (Nano-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 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • Yes
  • 384 kbps
  • HSPA 42.2/11.5 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • 4.2
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 0.26 W/kg (head) 1.00 W/kg (body) SAR EU - 0.26 W/kg (head) 1.00 W/kg (body)
Music and Audio
Music and Audio — specifications for Campus Buddy A404, Redmi Note 8.
SpecificationCampus Buddy A404Redmi Note 8
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Campus Buddy A404, Redmi Note 8.
SpecificationCampus Buddy A404Redmi Note 8
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W