Oppo A7x vs Vivo X21i
The Oppo A7x (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 25/100 (a 5-point difference). Key differences: the Oppo A7x has the bigger battery (3500 mAh vs 3425); the main camera is 16 MP vs 12 MP; the Vivo X21i is thinner (7.0mm vs 8.0mm).
Profile comparison
Category scores
Oppo A7x
Vivo X21i
What makes Oppo A7x better?
- Bigger battery: 3500 vs 3425 mAh
- Better main camera: 16MP vs 12MP
- Overall rating 25/100
What makes Vivo X21i better?
- Lighter: 159g vs 169g
- Better camera (15/100 vs 14/100)
- Longer battery life (15/100 vs 12/100)
- Better display (82/100 vs 58/100)
- Better portability (94/100 vs 78/100)
Comparison verdict
Comparing the Oppo A7x vs the Vivo X21i, the Vivo X21i scores 5 points higher (30/100 vs 25/100). In the "performance" category, both devices are on the same level — 20/100. In the "display" category, the Vivo X21i notably outperforms the Oppo A7x (82/100 vs 58/100). In the "camera" category, the Vivo X21i and the Oppo A7x are nearly equal (15/100 vs 14/100). In the "battery" category, the Vivo X21i and the Oppo A7x are nearly equal (15/100 vs 12/100). In the "portability" category, the Vivo X21i notably outperforms the Oppo A7x (94/100 vs 78/100).
Specs comparison
| Specification | Oppo A7x | Vivo X21i | |
|---|---|---|---|
| Processor | MediaTek Helio P60 | MediaTek Helio P60 | |
| AnTuTu | 314537 | 314537 | |
| Geekbench Single | 341 | 341 | |
| Geekbench Multi | 779 | 779 | |
| Display | 6.3" LTPS IPS LCD | 6.3" Super AMOLED | |
| Resolution | 1080x2340 | 1080x2280 | |
| Refresh rate | — | — | |
| Battery | 3500 mAh | 3425 mAh | |
| Charging | 10W | — | |
| Main camera | 16 MP | 12 MP | |
| Front camera | 16 MP | 24 MP | |
| RAM | 4GB | 4GB / 6GB | |
| Storage | 128GB | 64GB / 128GB | |
| OS | Android 8.1 (Oreo); ColorOS 5.2 | Android 8.1 (Oreo); Funtouch 4 | |
| NFC | no | no | |
| Dimensions | 156.7×74.0×8.0 mm | 154.4×75.0×7.0 mm | |
| Weight | 169 g | 159 g | |
| Launch price | — | — |
Camera comparison
Oppo A7x
- Main: 16MP f/1.8
- Front: 16MP
Vivo X21i
- Main: 12MP f/1.8
- Front: 24MP
Display comparison
Oppo A7x
- 6.3" LTPS IPS LCD
- Resolution: 1080x2340
- Refresh rate: —
Vivo X21i
- 6.3" Super AMOLED
- Resolution: 1080x2280
- Refresh rate: —
Battery and charging
Oppo A7x
- 3500 mAh
- Wired: 10W
- No wireless charging
Vivo X21i
- 3425 mAh
- Wireless charging: no data
Overall performance score
We compared Oppo A7x 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, the Vivo X21i notably outperforms the Oppo A7x (82/100 vs 58/100).
camera
In the "camera" category, the Vivo X21i and the Oppo A7x are nearly equal (15/100 vs 14/100).
battery
In the "battery" category, the Vivo X21i and the Oppo A7x are nearly equal (15/100 vs 12/100).
portability
In the "portability" category, the Vivo X21i notably outperforms the Oppo A7x (94/100 vs 78/100).
Frequently asked questions
Which is better: the Oppo A7x or the Vivo X21i?
The Vivo X21i edges out the Oppo A7x by just 5 points — the two devices are very close in overall level.
What is the rating of the Oppo A7x and the Vivo X21i?
The Oppo A7x has a MobileRank rating of 25/100, the Vivo X21i — 30/100.
Should you choose the Oppo A7x over the Vivo X21i?
Neither model stands out enough to recommend it for a specific use case: the clearest difference is display — better on the Vivo X21i (82/100 vs 58/100).