OnePlus 15s vs Vivo Y21
The OnePlus 15s (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo Y21 (2026) runs on the MediaTek Dimensity 6300; launch prices were $700 and $178. By overall MobileRank rating, the OnePlus 15s leads — 83/100 vs 44/100 (a 39-point difference). Key differences: the OnePlus 15s has the bigger battery (7500 mAh vs 6500); the OnePlus 15s is faster in AnTuTu (3,950,082 vs 528,398).
Profile comparison
Category scores
OnePlus 15s
Vivo Y21
What makes OnePlus 15s better?
- Higher AnTuTu: 3950082 vs 528398
- Better Geekbench Single: 3639 vs 771
- Better Geekbench Multi: 11047 vs 1980
- Bigger battery: 7500 vs 6500 mAh
- Faster charging: 100W vs 44W
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 195g vs 209g
- Higher performance (98/100 vs 43/100)
- Better camera (53/100 vs 30/100)
- Longer battery life (89/100 vs 58/100)
- Better display (95/100 vs 55/100)
- Better portability (64/100 vs 49/100)
What makes Vivo Y21 better?
- Cheaper at launch: $178 vs $700
- Overall rating 44/100
Comparison verdict
Comparing the OnePlus 15s vs the Vivo Y21, the OnePlus 15s scores 39 points higher (83/100 vs 44/100). In the "performance" category, the OnePlus 15s leads (98/100 vs 43/100). In the "camera" category, the OnePlus 15s leads (53/100 vs 30/100). In the "battery" category, the OnePlus 15s leads (89/100 vs 58/100). Value score: OnePlus 15s — 80/100, Vivo Y21 — 54/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the OnePlus 15s significantly outperforms the Vivo Y21 (98/100 vs 43/100). In the "display" category, the OnePlus 15s significantly outperforms the Vivo Y21 (95/100 vs 55/100). In the "camera" category, the OnePlus 15s notably outperforms the Vivo Y21 (53/100 vs 30/100). In the "battery" category, the OnePlus 15s significantly outperforms the Vivo Y21 (89/100 vs 58/100). In the "portability" category, the OnePlus 15s notably outperforms the Vivo Y21 (64/100 vs 49/100).
Specs comparison
| Specification | OnePlus 15s | Vivo Y21 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 6300 | |
| AnTuTu | 3950082 | 528398 | |
| Geekbench Single | 3639 | 771 | |
| Geekbench Multi | 11047 | 1980 | |
| Display | 6.3" AMOLED | 6.7" IPS LCD | |
| Resolution | 2640x1216 | 720x1600 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 7500 mAh | 6500 mAh | |
| Charging | 100W | 44W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 16 MP | 5 MP | |
| RAM | 12GB | 4GB / 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB | |
| OS | Android 16 | Android 16, OriginOS 6 | |
| Brightness (peak) | — | 1200 nits | |
| NFC | — | yes | |
| Protection | — | IP65 | |
| Dimensions | — | 167.4×77.1×8.4 mm | |
| Weight | 195 g | 209 g | |
| Launch price | $700 | $178 |
Camera comparison
OnePlus 15s
- Main: 50MP f/1.8
- Telephoto: 50MP
- Front: 16MP
Vivo Y21
- Main: 50MP f/1.8
- Front: 5MP
Display comparison
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Vivo Y21
- 6.7" IPS LCD
- Resolution: 720x1600
- Refresh rate: 120 Hz
Battery and charging
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Vivo Y21
- 6500 mAh
- Wired: 44W
- No wireless charging
Overall performance score
We compared OnePlus 15s and Vivo Y21, covering their specs and all relevant benchmarks.
OnePlus 15s leads Vivo Y21 by 647.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $522. Vivo Y21 was $522 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus 15s significantly outperforms the Vivo Y21 (98/100 vs 43/100).
display
In the "display" category, the OnePlus 15s significantly outperforms the Vivo Y21 (95/100 vs 55/100).
camera
In the "camera" category, the OnePlus 15s notably outperforms the Vivo Y21 (53/100 vs 30/100).
battery
In the "battery" category, the OnePlus 15s significantly outperforms the Vivo Y21 (89/100 vs 58/100).
portability
In the "portability" category, the OnePlus 15s notably outperforms the Vivo Y21 (64/100 vs 49/100).
Frequently asked questions
Which is better: the OnePlus 15s or the Vivo Y21?
The OnePlus 15s significantly outperforms the Vivo Y21 by 39 points (83/100 vs 44/100).
What is the rating of the OnePlus 15s and the Vivo Y21?
The OnePlus 15s has a MobileRank rating of 83/100, the Vivo Y21 — 44/100.
Which has the better camera: the OnePlus 15s or the Vivo Y21?
The OnePlus 15s leads on camera score (53/100 vs 30/100).
Which is more powerful: the OnePlus 15s or the Vivo Y21?
The OnePlus 15s leads on performance (98/100 vs 43/100).
Should you choose the OnePlus 15s over the Vivo Y21?
The OnePlus 15s is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.