Celkon Campus Prime vs Oppo R2001 Yoyo
Compare recorded specifications, size and practical differences.
Oppo R2001 Yoyo
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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. Campus Prime
- Height:
- 132 mm
- Width:
- 67 mm
- Depth:
- 9.3 mm
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.
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. Campus Prime
- Screen diagonal:
- 4.5 in
- Aspect ratio (height:width):
- 16:9
- Approximate rectangular screen area:
- 55.8 cm²
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.
| Storage | Campus Prime | R2001 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.
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.
Everyday essentials
| Specification | Campus Prime | R2001 Yoyo |
|---|---|---|
| Dimensions (HxWxD) |
|
|
| Weight |
|
|
| Technology | Unknown |
|
| Screen size |
|
|
| Screen resolution |
|
|
| Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. |
|
|
| Memory card support |
|
|
| Battery Capacity is not battery life. No endurance test is implied. |
|
|
| Operating system OS |
|
|
| Chipset |
|
|
| Headphone jack |
|
|
Display
| Specification | Campus Prime | R2001 Yoyo |
|---|---|---|
| Touchscreen |
|
|
| Display colors | Unknown |
|
| Screen area |
|
|
| Screen format |
|
|
| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
|
Camera and Video
| Specification | Campus Prime | R2001 Yoyo |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
|
| Functions |
|
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| Video |
|
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| Front camera, selfie |
|
|
| Specifications |
|
|
Performance
Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.
| Specification | Campus Prime | R2001 Yoyo |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU | Unknown |
|
| Antutu 7 score * | Unknown |
|
General specs
| Specification | Campus Prime | R2001 Yoyo |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. | Unknown |
|
| Battery life | Unknown |
|
Communication and Connectivity
| Specification | Campus Prime | R2001 Yoyo |
|---|---|---|
| SIM card |
|
|
| Network |
|
|
| Speed |
|
|
| GPRS |
|
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| Edge |
|
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| Wi-Fi |
|
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| GPS |
|
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| USB |
|
|
| Bluetooth |
|
|
| Harmful irradiation |
|
Unknown |
Music and Audio
| Specification | Campus Prime | R2001 Yoyo |
|---|---|---|
| Radio |
|
|
Other features
| Specification | Campus Prime | R2001 Yoyo |
|---|---|---|
| Dop |
|
|