Oppo R15 vs Vivo X21i
The Oppo R15 (2018) runs on the MediaTek Helio P60, while the Vivo X21i (2018) runs on the MediaTek Helio P60. By overall MobileRank rating, the Vivo X21i leads — 30/100 vs 29/100 (a 1-point difference). Key differences: the Oppo R15 has the bigger battery (3450 mAh vs 3425); the main camera is 16 MP vs 12 MP; the Vivo X21i is noticeably lighter (159g vs 175g).
Profile comparison
Category scores
Oppo R15
Vivo X21i
What makes Oppo R15 better?
- Bigger battery: 3450 vs 3425 mAh
- Better main camera: 16MP vs 12MP
- Better camera (16/100 vs 15/100)
What makes Vivo X21i better?
- Lighter: 159g vs 175g
- Longer battery life (15/100 vs 12/100)
- Better portability (94/100 vs 80/100)
Comparison verdict
Comparing the Oppo R15 vs the Vivo X21i, the Vivo X21i scores 1 points higher (30/100 vs 29/100). In the "performance" category, both devices are on the same level — 20/100. In the "display" category, both devices are on the same level — 82/100. In the "camera" category, the Oppo R15 and the Vivo X21i are nearly equal (16/100 vs 15/100). In the "battery" category, the Vivo X21i and the Oppo R15 are nearly equal (15/100 vs 12/100). In the "portability" category, the Vivo X21i is a bit better (94/100 vs 80/100).
Specs comparison
| Specification | Oppo R15 | Vivo X21i | |
|---|---|---|---|
| Processor | MediaTek Helio P60 | MediaTek Helio P60 | |
| AnTuTu | 314537 | 314537 | |
| Geekbench Single | 341 | 341 | |
| Geekbench Multi | 779 | 779 | |
| Display | 6.3" AMOLED | 6.3" Super AMOLED | |
| Resolution | 1080x2280 | 1080x2280 | |
| Refresh rate | — | — | |
| Battery | 3450 mAh | 3425 mAh | |
| Charging | — | — | |
| Main camera | 16 MP | 12 MP | |
| Front camera | 20 MP | 24 MP | |
| RAM | 6GB | 4GB / 6GB | |
| Storage | 128GB | 64GB / 128GB | |
| OS | Android 8.1 (Oreo); ColorOS 5 | Android 8.1 (Oreo); Funtouch 4 | |
| NFC | no | no | |
| Dimensions | 155.1×75.2×7.4 mm | 154.4×75.0×7.0 mm | |
| Weight | 175 g | 159 g | |
| Launch price | — | — |
Camera comparison
Oppo R15
- Main: 16MP f/1.7
- Front: 20MP
Vivo X21i
- Main: 12MP f/1.8
- Front: 24MP
Display comparison
Oppo R15
- 6.3" AMOLED
- Resolution: 1080x2280
- Refresh rate: —
Vivo X21i
- 6.3" Super AMOLED
- Resolution: 1080x2280
- Refresh rate: —
Battery and charging
Oppo R15
- 3450 mAh
- No wireless charging
Vivo X21i
- 3425 mAh
- Wireless charging: no data
Overall performance score
We compared Oppo R15 and Vivo X21i, covering their specs and all relevant benchmarks.
Equal performance based on benchmark results.
Benchmarks
Detailed category analysis
performance
In the "performance" category, both devices are on the same level — 20/100.
display
In the "display" category, both devices are on the same level — 82/100.
camera
In the "camera" category, the Oppo R15 and the Vivo X21i are nearly equal (16/100 vs 15/100).
battery
In the "battery" category, the Vivo X21i and the Oppo R15 are nearly equal (15/100 vs 12/100).
portability
In the "portability" category, the Vivo X21i is a bit better (94/100 vs 80/100).
Frequently asked questions
Which is better: the Oppo R15 or the Vivo X21i?
The Vivo X21i edges out the Oppo R15 by just 1 points — the two devices are very close in overall level.
What is the rating of the Oppo R15 and the Vivo X21i?
The Oppo R15 has a MobileRank rating of 29/100, the Vivo X21i — 30/100.
Should you choose the Oppo R15 over the Vivo X21i?
Neither model stands out enough to recommend it for a specific use case: the clearest difference is portability — better on the Vivo X21i (94/100 vs 80/100).