OnePlus 15 vs Realme X3
The OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Realme X3 (2020) runs on the Qualcomm Snapdragon 855+; estimated prices are $799 and $450. By overall MobileRank rating, the OnePlus 15 leads — 61/100 vs 33/100 (a 28-point difference). Key differences: the OnePlus 15 has the bigger battery (6500 mAh vs 4200); the main camera is 50 MP vs 64 MP; the OnePlus 15 is faster in AnTuTu (3,621,671 vs 859,084); the OnePlus 15 has NFC for contactless payments, the Realme X3 doesn't.
OnePlus 15
Realme X3
- Higher AnTuTu: 3621671 vs 859084
- Better Geekbench Single: 3050 vs 1031
- Better Geekbench Multi: 9300 vs 2864
- Bigger battery: 6500 vs 4200 mAh
- Higher performance (77/100 vs 2/100)
- Longer battery life (48/100 vs 19/100)
- Better main camera: 64MP vs 50MP
- Lighter: 202g vs 213g
- Cheaper: $450 vs $799
- Better camera (45/100 vs 34/100)
- Better design/ergonomics (47/100 vs 33/100)
- Better value for money (79/100 vs 55/100)
Comparing the OnePlus 15 vs the Realme X3, the OnePlus 15 scores 28 points higher (61/100 vs 33/100). In the "performance" category, the OnePlus 15 leads (77/100 vs 2/100). In the "camera" category, the Realme X3 leads (45/100 vs 34/100). In the "battery" category, the OnePlus 15 leads (48/100 vs 19/100). In the "value for money" category, the Realme X3 leads (79/100 vs 55/100). In the "performance" category, the OnePlus 15 significantly outperforms the Realme X3 (77/100 vs 2/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Realme X3 is a bit better (45/100 vs 34/100). In the "battery" category, the OnePlus 15 notably outperforms the Realme X3 (48/100 vs 19/100). In the "design" category, the Realme X3 is a bit better (47/100 vs 33/100). In the "value for money" category, the Realme X3 notably outperforms the OnePlus 15 (79/100 vs 55/100).
| Specification | OnePlus 15 | Realme X3 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 855+ | |
| AnTuTu | 3621671 | 859084 | |
| Geekbench Single | 3050 | 1031 | |
| Geekbench Multi | 9300 | 2864 | |
| Display | 6.8" AMOLED | 6.0" IPS LCD | |
| Resolution | — | 1080x2400 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6500 mAh | 4200 mAh | |
| Charging | — | 30W | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Telephoto | 0 MP | 12 MP | |
| Front camera | 32 MP | 16 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB | |
| OS | — | Android 10, Realme UI | |
| Brightness (peak) | 1800 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 161.4×76.7×8.1 mm | 163.8×75.8×8.9 mm | |
| Weight | 213 g | 202 g | |
| Price | $799 | $450 |
OnePlus 15
- Main: 50MP
- Front: 32MP
Realme X3
- Main: 64MP f/f/1.8
- Ultrawide: 8MP
- Telephoto: 12MP
- Front: 16MP
OnePlus 15
- 6.8" AMOLED
- Refresh rate: 120 Hz
Realme X3
- 6.0" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 120 Hz
OnePlus 15
- 6500 mAh
- No wireless charging
Realme X3
- 4200 mAh
- Wired: 30W
- No wireless charging
We compared OnePlus 15 and Realme X3, covering their specs and all relevant benchmarks.
OnePlus 15 leads Realme X3 by 321.6% in our overall performance rating.
Price difference: $349. Realme X3 is cheaper by $349.
performance
In the "performance" category, the OnePlus 15 significantly outperforms the Realme X3 (77/100 vs 2/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Realme X3 is a bit better (45/100 vs 34/100).
battery
In the "battery" category, the OnePlus 15 notably outperforms the Realme X3 (48/100 vs 19/100).
design
In the "design" category, the Realme X3 is a bit better (47/100 vs 33/100).
value for money
In the "value for money" category, the Realme X3 notably outperforms the OnePlus 15 (79/100 vs 55/100).
Which is better: the OnePlus 15 or the Realme X3?
The OnePlus 15 significantly outperforms the Realme X3 by 28 points (61/100 vs 33/100).
What is the rating of the OnePlus 15 and the Realme X3?
The OnePlus 15 has a MobileRank rating of 61/100, the Realme X3 — 33/100.
Which has the better camera: the OnePlus 15 or the Realme X3?
The Realme X3 leads on camera score (45/100 vs 34/100).
Which is more powerful: the OnePlus 15 or the Realme X3?
The OnePlus 15 leads on performance (77/100 vs 2/100).
Should you choose the OnePlus 15 over the Realme X3?
The OnePlus 15 is a better fit for active users. The Realme X3 is a better fit for budget-conscious buyers.