Fairphone 4 vs OnePlus 15
The Fairphone 4 (2021) runs on the Snapdragon 750G, while the OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $449 and $799. By overall MobileRank rating, the OnePlus 15 leads — 86/100 vs 31/100 (a 55-point difference). Key differences: the OnePlus 15 has the bigger battery (6500 mAh vs 3905); the main camera is 48 MP vs 50 MP; the OnePlus 15 is faster in AnTuTu (3,606,149 vs 566,483); the OnePlus 15 is thinner (8.1mm vs 10.5mm).
Profile comparison
Category scores
Fairphone 4
OnePlus 15
What makes Fairphone 4 better?
- Cheaper at launch: $449 vs $799
- Overall rating 31/100
What makes OnePlus 15 better?
- Higher AnTuTu: 3606149 vs 566483
- Better Geekbench Single: 3639 vs 601
- Better Geekbench Multi: 11047 vs 1882
- Bigger battery: 6500 vs 3905 mAh
- Faster charging: 120W vs 20W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 120Hz vs 60Hz
- Lighter: 213g vs 225g
- Higher performance (97/100 vs 41/100)
- Better camera (78/100 vs 18/100)
- Longer battery life (89/100 vs 20/100)
- Better display (84/100 vs 43/100)
- Better portability (50/100 vs 28/100)
Comparison verdict
Comparing the Fairphone 4 vs the OnePlus 15, the OnePlus 15 scores 55 points higher (86/100 vs 31/100). In the "performance" category, the OnePlus 15 leads (97/100 vs 41/100). In the "camera" category, the OnePlus 15 leads (78/100 vs 18/100). In the "battery" category, the OnePlus 15 leads (89/100 vs 20/100). Value score: Fairphone 4 — 0/100, OnePlus 15 — 86/100; 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 15 significantly outperforms the Fairphone 4 (97/100 vs 41/100). In the "display" category, the OnePlus 15 significantly outperforms the Fairphone 4 (84/100 vs 43/100). In the "camera" category, the OnePlus 15 significantly outperforms the Fairphone 4 (78/100 vs 18/100). In the "battery" category, the OnePlus 15 significantly outperforms the Fairphone 4 (89/100 vs 20/100). In the "portability" category, the OnePlus 15 notably outperforms the Fairphone 4 (50/100 vs 28/100).
Specs comparison
| Specification | Fairphone 4 | OnePlus 15 | |
|---|---|---|---|
| Processor | Snapdragon 750G | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 566483 | 3606149 | |
| Geekbench Single | 601 | 3639 | |
| Geekbench Multi | 1882 | 11047 | |
| Display | 6.3" IPS LCD | 6.8" AMOLED | |
| Resolution | 1080x2340 | 1272x2772 | |
| Refresh rate | 60 Hz | 120 Hz | |
| Battery | 3905 mAh | 6500 mAh | |
| Charging | 20W | 120W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | 69 | — | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 48 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 25 MP | 32 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 11 | Android 16, OxygenOS 16 (Global), ColorOS 16 (China) | |
| Brightness (peak) | — | 1800 nits | |
| NFC | yes | yes | |
| Protection | IP54 | IP68 | |
| Dimensions | 162.0×75.5×10.5 mm | 161.4×76.7×8.1 mm | |
| Weight | 225 g | 213 g | |
| Launch price | $449 | $799 |
Camera comparison
Fairphone 4
- Main: 48MP f/1.6
- Ultrawide: 48MP
- Front: 25MP
OnePlus 15
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Fairphone 4
- 6.3" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 60 Hz
OnePlus 15
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 120 Hz
Battery and charging
Fairphone 4
- 3905 mAh
- Wired: 20W
- No wireless charging
OnePlus 15
- 6500 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Fairphone 4 and OnePlus 15, covering their specs and all relevant benchmarks.
OnePlus 15 leads Fairphone 4 by 84.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $350. Fairphone 4 was $350 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus 15 significantly outperforms the Fairphone 4 (97/100 vs 41/100).
display
In the "display" category, the OnePlus 15 significantly outperforms the Fairphone 4 (84/100 vs 43/100).
camera
In the "camera" category, the OnePlus 15 significantly outperforms the Fairphone 4 (78/100 vs 18/100).
battery
In the "battery" category, the OnePlus 15 significantly outperforms the Fairphone 4 (89/100 vs 20/100).
portability
In the "portability" category, the OnePlus 15 notably outperforms the Fairphone 4 (50/100 vs 28/100).
Frequently asked questions
Which is better: the Fairphone 4 or the OnePlus 15?
The OnePlus 15 significantly outperforms the Fairphone 4 by 55 points (86/100 vs 31/100).
What is the rating of the Fairphone 4 and the OnePlus 15?
The Fairphone 4 has a MobileRank rating of 31/100, the OnePlus 15 — 86/100.
Which has the better camera: the Fairphone 4 or the OnePlus 15?
The OnePlus 15 leads on camera score (78/100 vs 18/100).
Which is more powerful: the Fairphone 4 or the OnePlus 15?
The OnePlus 15 leads on performance (97/100 vs 41/100).
Should you choose the Fairphone 4 over the OnePlus 15?
The OnePlus 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.