OnePlus 15 vs Realme V21
Comparing the OnePlus 15 (2025) and the Realme V21 (2022) on specs and benchmarks. By overall MobileRank rating, the OnePlus 15 leads — 61/100 vs 10/100 (a 51-point difference). Key differences: the OnePlus 15 has the bigger battery (6500 mAh vs 5000); the main camera is 50 MP vs 13 MP; the OnePlus 15 has NFC for contactless payments, the Realme V21 doesn't.
OnePlus 15
Realme V21
- Bigger battery: 6500 vs 5000 mAh
- Better main camera: 50MP vs 13MP
- Higher performance (77/100 vs 0/100)
- Better camera (34/100 vs 0/100)
- Longer battery life (48/100 vs 36/100)
- Better display (100/100 vs 0/100)
- Better design/ergonomics (50/100 vs 33/100)
Comparing the OnePlus 15 vs the Realme V21, the OnePlus 15 scores 51 points higher (61/100 vs 10/100). In the "performance" category, the OnePlus 15 leads (77/100 vs 0/100). In the "camera" category, the OnePlus 15 leads (34/100 vs 0/100). In the "battery" category, the OnePlus 15 leads (48/100 vs 36/100). In the "performance" category, the OnePlus 15 significantly outperforms the Realme V21 (77/100 vs 0/100). In the "display" category, the OnePlus 15 significantly outperforms the Realme V21 (100/100 vs 0/100). In the "camera" category, the OnePlus 15 significantly outperforms the Realme V21 (34/100 vs 0/100). In the "battery" category, the OnePlus 15 is a bit better (48/100 vs 36/100). In the "design" category, the Realme V21 notably outperforms the OnePlus 15 (50/100 vs 33/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | OnePlus 15 | Realme V21 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | — | |
| AnTuTu | 3621671 | — | |
| Geekbench Single | 3050 | — | |
| Geekbench Multi | 9300 | — | |
| Display | 6.8" AMOLED | 6.6" TFT | |
| Resolution | — | 720x1612 | |
| Refresh rate | 120 Hz | — | |
| Battery | 6500 mAh | 5000 mAh | |
| Charging | — | — | |
| Main camera | 50 MP | 13 MP | |
| Front camera | 32 MP | 8 MP | |
| RAM | 12GB / 16GB | 4GB / 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB | |
| OS | — | Android 12, Realme UI 3.0 | |
| Brightness (peak) | 1800 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 161.4×76.7×8.1 mm | — | |
| Weight | 213 g | — | |
| Price | $799 | — |
OnePlus 15
- Main: 50MP
- Front: 32MP
Realme V21
- Main: 13MP f/f/2.2
- Front: 8MP
OnePlus 15
- 6.8" AMOLED
- Refresh rate: 120 Hz
Realme V21
- 6.6" TFT
- Resolution: 720x1612
- Refresh rate: —
OnePlus 15
- 6500 mAh
- No wireless charging
Realme V21
- 5000 mAh
- No wireless charging
Realme V21
Price unknownperformance
In the "performance" category, the OnePlus 15 significantly outperforms the Realme V21 (77/100 vs 0/100).
display
In the "display" category, the OnePlus 15 significantly outperforms the Realme V21 (100/100 vs 0/100).
camera
In the "camera" category, the OnePlus 15 significantly outperforms the Realme V21 (34/100 vs 0/100).
battery
In the "battery" category, the OnePlus 15 is a bit better (48/100 vs 36/100).
design
In the "design" category, the Realme V21 notably outperforms the OnePlus 15 (50/100 vs 33/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the OnePlus 15 or the Realme V21?
The OnePlus 15 significantly outperforms the Realme V21 by 51 points (61/100 vs 10/100).
What is the rating of the OnePlus 15 and the Realme V21?
The OnePlus 15 has a MobileRank rating of 61/100, the Realme V21 — 10/100.
Which has the better camera: the OnePlus 15 or the Realme V21?
The OnePlus 15 leads on camera score (34/100 vs 0/100).
Which is more powerful: the OnePlus 15 or the Realme V21?
The OnePlus 15 leads on performance (77/100 vs 0/100).
Should you choose the OnePlus 15 over the Realme V21?
The OnePlus 15 is a better fit for active users. The Realme V21 is a better fit for everyday use.