Oppo R15 vs Vivo Z3i
The Oppo R15 (2018) runs on the MediaTek Helio P60, while the Vivo Z3i (2018) runs on the MediaTek Helio P60. By overall MobileRank rating, the Oppo R15 leads — 29/100 vs 26/100 (a 3-point difference). Key differences: the Oppo R15 has the bigger battery (3450 mAh vs 3315).
Profile comparison
Category scores
Oppo R15
Vivo Z3i
What makes Oppo R15 better?
- Bigger battery: 3450 vs 3315 mAh
- Better display (82/100 vs 57/100)
What makes Vivo Z3i better?
- Lighter: 164g vs 175g
- Better camera (17/100 vs 16/100)
Comparison verdict
Comparing the Oppo R15 vs the Vivo Z3i, the Oppo R15 scores 3 points higher (29/100 vs 26/100). In the "performance" category, both devices are on the same level — 20/100. In the "display" category, the Oppo R15 notably outperforms the Vivo Z3i (82/100 vs 57/100). In the "camera" category, the Vivo Z3i and the Oppo R15 are nearly equal (17/100 vs 16/100). In the "battery" category, both devices are on the same level — 12/100. In the "portability" category, both devices are on the same level — 80/100.
Specs comparison
| Specification | Oppo R15 | Vivo Z3i | |
|---|---|---|---|
| Processor | MediaTek Helio P60 | MediaTek Helio P60 | |
| AnTuTu | 314537 | 314537 | |
| Geekbench Single | 341 | 341 | |
| Geekbench Multi | 779 | 779 | |
| Display | 6.3" AMOLED | 6.3" IPS LCD | |
| Resolution | 1080x2280 | 1080x2280 | |
| Refresh rate | — | — | |
| Battery | 3450 mAh | 3315 mAh | |
| Charging | — | 18W | |
| Main camera | 16 MP | 16 MP | |
| Front camera | 20 MP | 24 MP | |
| RAM | 6GB | 6GB | |
| Storage | 128GB | 128GB | |
| OS | Android 8.1 (Oreo); ColorOS 5 | Android 8.1 (Oreo) | |
| NFC | no | no | |
| Dimensions | 155.1×75.2×7.4 mm | 156.0×75.6×8.1 mm | |
| Weight | 175 g | 164 g | |
| Launch price | — | — |
Camera comparison
Oppo R15
- Main: 16MP f/1.7
- Front: 20MP
Vivo Z3i
- Main: 16MP f/2.0
- Front: 24MP
Display comparison
Oppo R15
- 6.3" AMOLED
- Resolution: 1080x2280
- Refresh rate: —
Vivo Z3i
- 6.3" IPS LCD
- Resolution: 1080x2280
- Refresh rate: —
Battery and charging
Oppo R15
- 3450 mAh
- No wireless charging
Vivo Z3i
- 3315 mAh
- Wired: 18W
- No wireless charging
Overall performance score
We compared Oppo R15 and Vivo Z3i, 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, the Oppo R15 notably outperforms the Vivo Z3i (82/100 vs 57/100).
camera
In the "camera" category, the Vivo Z3i and the Oppo R15 are nearly equal (17/100 vs 16/100).
battery
In the "battery" category, both devices are on the same level — 12/100.
portability
In the "portability" category, both devices are on the same level — 80/100.
Frequently asked questions
Which is better: the Oppo R15 or the Vivo Z3i?
The Oppo R15 edges out the Vivo Z3i by just 3 points — the two devices are very close in overall level.
What is the rating of the Oppo R15 and the Vivo Z3i?
The Oppo R15 has a MobileRank rating of 29/100, the Vivo Z3i — 26/100.
Should you choose the Oppo R15 over the Vivo Z3i?
Neither model stands out enough to recommend it for a specific use case: the clearest difference is display — better on the Oppo R15 (82/100 vs 57/100).