OnePlus 15s vs Realme X3
The OnePlus 15s (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Realme X3 (2020) runs on the Qualcomm Snapdragon 855+; estimated prices are $700 and $450. By overall MobileRank rating, the OnePlus 15s leads — 77/100 vs 33/100 (a 44-point difference). Key differences: the OnePlus 15s has the bigger battery (7500 mAh vs 4200); the main camera is 50 MP vs 64 MP; the OnePlus 15s is faster in AnTuTu (3,942,923 vs 859,084).
OnePlus 15s
Realme X3
- Higher AnTuTu: 3942923 vs 859084
- Better Geekbench Single: 3640 vs 1031
- Better Geekbench Multi: 11033 vs 2864
- Bigger battery: 7500 vs 4200 mAh
- Faster charging: 100W vs 30W
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 195g vs 202g
- Higher performance (92/100 vs 2/100)
- Better camera (48/100 vs 45/100)
- Longer battery life (82/100 vs 19/100)
- Better design/ergonomics (56/100 vs 47/100)
- Better main camera: 64MP vs 50MP
- Cheaper: $450 vs $700
- Better value for money (79/100 vs 62/100)
Comparing the OnePlus 15s vs the Realme X3, the OnePlus 15s scores 44 points higher (77/100 vs 33/100). In the "performance" category, the OnePlus 15s leads (92/100 vs 2/100). In the "battery" category, the OnePlus 15s leads (82/100 vs 19/100). In the "value for money" category, the Realme X3 leads (79/100 vs 62/100). In the "performance" category, the OnePlus 15s significantly outperforms the Realme X3 (92/100 vs 2/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the OnePlus 15s and the Realme X3 are nearly equal (48/100 vs 45/100). In the "battery" category, the OnePlus 15s significantly outperforms the Realme X3 (82/100 vs 19/100). In the "design" category, the OnePlus 15s is a bit better (56/100 vs 47/100). In the "value for money" category, the Realme X3 notably outperforms the OnePlus 15s (79/100 vs 62/100).
| Specification | OnePlus 15s | Realme X3 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 855+ | |
| AnTuTu | 3942923 | 859084 | |
| Geekbench Single | 3640 | 1031 | |
| Geekbench Multi | 11033 | 2864 | |
| Display | 6.3" AMOLED | 6.0" IPS LCD | |
| Resolution | 2640x1216 | 1080x2400 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 7500 mAh | 4200 mAh | |
| Charging | 100W | 30W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Telephoto | 50 MP | 12 MP | |
| Front camera | 16 MP | 16 MP | |
| RAM | 12GB | 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB | |
| OS | Android 16 | Android 10, Realme UI | |
| NFC | — | no | |
| Dimensions | — | 163.8×75.8×8.9 mm | |
| Weight | 195 g | 202 g | |
| Price | $700 | $450 |
OnePlus 15s
- Main: 50MP f/f/1.8
- Telephoto: 50MP
- Front: 16MP
Realme X3
- Main: 64MP f/f/1.8
- Ultrawide: 8MP
- Telephoto: 12MP
- Front: 16MP
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Realme X3
- 6.0" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 120 Hz
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Realme X3
- 4200 mAh
- Wired: 30W
- No wireless charging
We compared OnePlus 15s and Realme X3, covering their specs and all relevant benchmarks.
OnePlus 15s leads Realme X3 by 359.0% in our overall performance rating.
Price difference: $250. Realme X3 is cheaper by $250.
performance
In the "performance" category, the OnePlus 15s significantly outperforms the Realme X3 (92/100 vs 2/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the OnePlus 15s and the Realme X3 are nearly equal (48/100 vs 45/100).
battery
In the "battery" category, the OnePlus 15s significantly outperforms the Realme X3 (82/100 vs 19/100).
design
In the "design" category, the OnePlus 15s is a bit better (56/100 vs 47/100).
value for money
In the "value for money" category, the Realme X3 notably outperforms the OnePlus 15s (79/100 vs 62/100).
Which is better: the OnePlus 15s or the Realme X3?
The OnePlus 15s significantly outperforms the Realme X3 by 44 points (77/100 vs 33/100).
What is the rating of the OnePlus 15s and the Realme X3?
The OnePlus 15s has a MobileRank rating of 77/100, the Realme X3 — 33/100.
Which is more powerful: the OnePlus 15s or the Realme X3?
The OnePlus 15s leads on performance (92/100 vs 2/100).
Should you choose the OnePlus 15s over the Realme X3?
The OnePlus 15s is a better fit for gamers and power users, those who care about battery life. The Realme X3 is a better fit for budget-conscious buyers.