Celkon Campus Prime vs Oppo R2001 Yoyo

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 Prime: 25.8 g lighter

    Campus Prime:
    119.2 g
    R2001 Yoyo:
    145 g
  • Width

    Campus Prime: 2.5 mm narrower

    Campus Prime:
    67 mm
    R2001 Yoyo:
    69.5 mm
  • Screen diagonal

    Campus Prime: 0.2 in smaller diagonal

    Campus Prime:
    4.5 in
    R2001 Yoyo:
    4.7 in
  • Chipset

    Campus Prime:
    Spreadtrum SC7715
    R2001 Yoyo:
    Mediatek MT6582M (28 nm)
  • Height

    Campus Prime: 6.5 mm shorter

    Campus Prime:
    132 mm
    R2001 Yoyo:
    138.5 mm
  • Release year

    Campus Prime:
    2015
    R2001 Yoyo:
    2014

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. R2001 Yoyo

    Height:
    138.5 mm +6.5 mm versus Campus Prime
    Width:
    69.5 mm +2.5 mm versus Campus Prime
    Depth:
    9.2 mm

Weight

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

  1. 1. Campus Prime

    119.2 g

  2. 2. R2001 Yoyo

    145 g

    +25.8 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. R2001 Yoyo

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

R2001 Yoyo has approximately 9.1% 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.

Recorded RAM for Campus Prime, R2001 Yoyo, compared at the same storage capacity.
StorageCampus PrimeR2001 Yoyo
4 GB Unknown 1 GB RAM
Campus Prime: 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. R2001 Yoyo

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 Prime

    1600 mAh

  2. 2. R2001 Yoyo

    1900 mAh

    +300 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. R2001 Yoyo

Everyday essentials
Everyday essentials — specifications for Campus Prime, R2001 Yoyo.
SpecificationCampus PrimeR2001 Yoyo
Dimensions (HxWxD)
  • 132 Х 67 Х 9.3 mm
  • 138.5 Х 69.5 Х 9.2 mm
Weight
  • 119.2 g
  • 145 g
Technology Unknown
  • IPS LCD
Screen size
  • 4.5" inch
  • 4.7" 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
  • 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.
  • 1600 mAh
  • Removable Li-Ion
  • 1900 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 4.2.1 (Jelly Bean)
Chipset
  • Spreadtrum SC7715
  • Mediatek MT6582M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Campus Prime, R2001 Yoyo.
SpecificationCampus PrimeR2001 Yoyo
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 55.8 cm2
  • 60.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 63.1%
  • 63.3%
PPI /points per inch/
  • 218 PPI
  • 234 PPI
Camera and Video
Camera and Video — specifications for Campus Prime, R2001 Yoyo.
SpecificationCampus PrimeR2001 Yoyo
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 720p
Front camera, selfie
  • 1.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 1.3 MP
  • 2 MP
Performance

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

Performance — specifications for Campus Prime, R2001 Yoyo.
SpecificationCampus PrimeR2001 Yoyo
Processor CPU
  • 1.0 GHz
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400MP2
Antutu 7 score * Unknown
  • 16115
General specs
General specs — specifications for Campus Prime, R2001 Yoyo.
SpecificationCampus PrimeR2001 Yoyo
Release date
  • 2015
  • August
  • 2014
  • May
Colors
  • White
  • Black
  • Gold
  • Silver
  • Brown
  • Blue
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 200 EUR
Battery life Unknown
  • Stand by time- Up to 350 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for Campus Prime, R2001 Yoyo.
SpecificationCampus PrimeR2001 Yoyo
SIM card
  • Dual SIM
  • Dual 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
Speed
  • HSPA
  • HSPA 42.2/11.5 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
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
  • 2.1
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, R2001 Yoyo.
SpecificationCampus PrimeR2001 Yoyo
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Campus Prime, R2001 Yoyo.
SpecificationCampus PrimeR2001 Yoyo
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity