Celkon Campus Prime vs Plum Coach Plus

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 Prime: 130.8 g lighter

    Campus Prime:
    119.2 g
    Coach Plus:
    250 g
  • Width

    Campus Prime: 21 mm narrower

    Campus Prime:
    67 mm
    Coach Plus:
    88 mm
  • Screen diagonal

    Campus Prime: 1.5 in smaller diagonal

    Campus Prime:
    4.5 in
    Coach Plus:
    6 in
  • Chipset

    Campus Prime:
    Spreadtrum SC7715
    Coach Plus:
    Mediatek MT8312 (28 nm)
  • Depth

    Campus Prime: 1.9 mm thinner

    Campus Prime:
    9.3 mm
    Coach Plus:
    11.2 mm
  • Height

    Campus Prime: 36 mm shorter

    Campus Prime:
    132 mm
    Coach Plus:
    168 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 Prime

    Height:
    132 mm
    Width:
    67 mm
    Depth:
    9.3 mm
  2. 2. Coach Plus

    Height:
    168 mm +36 mm versus Campus Prime
    Width:
    88 mm +21 mm versus Campus Prime
    Depth:
    11.2 mm +1.9 mm versus Campus Prime

Weight

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

  1. 1. Campus Prime

    119.2 g

  2. 2. Coach Plus

    250 g

    +130.8 g versus Campus Prime

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 Prime

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Coach Plus

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

Coach Plus has approximately 77.8% more rectangular screen area than Campus Prime.

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 Prime: Original memory entry

4 GB · 512 MB RAM

Coach Plus: 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 Prime

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. Coach Plus

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

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 Prime

    1600 mAh

  2. 2. Coach Plus

    2600 mAh

    +1000 mAh versus Campus Prime

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 Prime2. Coach Plus

Everyday essentials
Everyday essentials — specifications for Campus Prime, Coach Plus.
SpecificationCampus PrimeCoach Plus
Dimensions (HxWxD)
  • 132 Х 67 Х 9.3 mm
  • 168 Х 88 Х 11.2 mm
Weight
  • 119.2 g
  • 250 g
Technology Unknown
  • IPS LCD
Screen size
  • 4.5" inch
  • 6" inch
Screen resolution
  • 480 x 854 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
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 64 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1600 mAh
  • Removable Li-Ion
  • 2600 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 4.2.2 (Jelly Bean)
Chipset
  • Spreadtrum SC7715
  • Mediatek MT8312 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Campus Prime, Coach Plus.
SpecificationCampus PrimeCoach Plus
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 55.8 cm2
  • 99.2 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 63.1%
  • 67.1%
PPI /points per inch/
  • 218 PPI
  • 184 PPI
Camera and Video
Camera and Video — specifications for Campus Prime, Coach Plus.
SpecificationCampus PrimeCoach Plus
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • 8 MP
  • AF
Functions
  • LED flash
  • Face detection
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 1.3 MP
  • 2 MP
Performance
Performance — specifications for Campus Prime, Coach Plus.
SpecificationCampus PrimeCoach Plus
Processor CPU
  • 1.0 GHz
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400
General specs
General specs — specifications for Campus Prime, Coach Plus.
SpecificationCampus PrimeCoach Plus
Release date
  • 2015
  • August
  • 2014
  • May
Colors
  • White
  • Black
  • Gold
  • Silver
  • Brown
  • Blue
  • Black
  • White
Battery life Unknown
  • Stand by time- Up to 750 h (2G) / Up to 650 h (3G) Talking time- Up to 17 h (2G) / Up to 8 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Campus Prime, Coach Plus.
SpecificationCampus PrimeCoach Plus
SIM card
  • Dual SIM
  • Dual SIM
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
  • HSPA
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.35 W/kg (head) 0.85 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Campus Prime, Coach Plus.
SpecificationCampus PrimeCoach Plus
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Campus Prime, Coach Plus.
SpecificationCampus PrimeCoach Plus
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • gyro
  • proximity - Also known as Plum Z620