Celkon Campus Buddy A404 vs Xiaomi Mi Note

Compare recorded specifications, size and practical differences.

+ Add a third phone

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: 30 g lighter

    Campus Buddy A404:
    131 g
    Mi Note:
    161 g
  • Width

    Campus Buddy A404: 13.4 mm narrower

    Campus Buddy A404:
    64.2 mm
    Mi Note:
    77.6 mm
  • Screen diagonal

    Campus Buddy A404: 1.7 in smaller diagonal

    Campus Buddy A404:
    4 in
    Mi Note:
    5.7 in
  • Depth

    Mi Note: 2.8 mm thinner

    Campus Buddy A404:
    9.8 mm
    Mi Note:
    7 mm
  • Height

    Campus Buddy A404: 28.6 mm shorter

    Campus Buddy A404:
    126.5 mm
    Mi Note:
    155.1 mm
  • Release year

    Campus Buddy A404:
    2014
    Mi Note:
    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 +2.8 mm versus Mi Note
  2. 2. Mi Note

    Height:
    155.1 mm +28.6 mm versus Campus Buddy A404
    Width:
    77.6 mm +13.4 mm versus Campus Buddy A404
    Depth:
    7 mm

Weight

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

  1. 1. Campus Buddy A404

    131 g

  2. 2. Mi Note

    161 g

    +30 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. Mi Note

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

Mi Note has approximately 96.7% 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, Mi Note, compared at the same storage capacity.
StorageCampus Buddy A404Mi Note
16 GB Unknown 3 GB RAM
64 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. Mi Note

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

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. Mi Note

    3000 mAh

    +1500 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. Mi Note

Everyday essentials
Everyday essentials — specifications for Campus Buddy A404, Mi Note.
SpecificationCampus Buddy A404Mi Note
Dimensions (HxWxD)
  • 126.5 Х 64.2 Х 9.8 mm
  • 155.1 Х 77.6 Х 7 mm
Weight
  • 131 g
  • 161 g
Technology Unknown
  • IPS LCD
Screen size
  • 4" inch
  • 5.7" 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
  • 16/64 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 4.4.4 (KitKat)
  • upgradable to 6.0 (Marshmallow)
Chipset Unknown
  • Qualcomm MSM8974AC Snapdragon 801 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Campus Buddy A404, Mi Note.
SpecificationCampus Buddy A404Mi Note
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 89.6 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.1%
  • 74.4%
PPI /points per inch/
  • 233 PPI
  • 386 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Campus Buddy A404, Mi Note.
SpecificationCampus Buddy A404Mi Note
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 3.15 MP
  • 13 MP
  • OIS
  • AF
  • f/2.0
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 4 MP
  • Single
Specifications
  • 1.3 MP
  • 4 MP
  • f/2.0
  • 1/3''
  • 2µm
Performance

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

Performance — specifications for Campus Buddy A404, Mi Note.
SpecificationCampus Buddy A404Mi Note
Processor CPU
  • Dual-core 1.3 GHz
  • Quad-core 2.5 GHz Krait 400
Graphics processor GPU Unknown
  • Adreno 330
GeekBench 4 Single Core * Unknown
  • 928
GeekBench 4 Multi-Core * Unknown
  • 2128
GeekBench 4 RenderScript * Unknown
  • 2038
General specs
General specs — specifications for Campus Buddy A404, Mi Note.
SpecificationCampus Buddy A404Mi Note
Release date
  • 2014
  • July
  • 2015
  • January
Colors
  • Black
  • White
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 190 EUR
Body build Unknown
  • Front/back glass (Gorilla Glass 3)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Campus Buddy A404, Mi Note.
SpecificationCampus Buddy A404Mi Note
SIM card
  • Dual SIM
  • Dual SIM (Micro-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 / 1900 / 2100 TD-SCDMA -4G - LTE band 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • Yes
  • 384 kbps
  • HSPA
  • LTE Cat4 150/50 Mbps
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
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Campus Buddy A404, Mi Note.
SpecificationCampus Buddy A404Mi Note
Radio
  • FM radio
  • No
Others Unknown
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Campus Buddy A404, Mi Note.
SpecificationCampus Buddy A404Mi Note
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging (Quick Charge 2.0)