Fairphone 4 vs Vivo iQOO 15
The Fairphone 4 (2021) runs on the Snapdragon 750G, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $449 and $599. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 31/100 (a 55-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 3905); the main camera is 48 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 566,483); the Vivo iQOO 15 is thinner (8.1mm vs 10.5mm).
Profile comparison
Category scores
Fairphone 4
Vivo iQOO 15
What makes Fairphone 4 better?
- Cheaper at launch: $449 vs $599
- Overall rating 31/100
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 566483
- Better Geekbench Single: 3013 vs 601
- Better Geekbench Multi: 9287 vs 1882
- Bigger battery: 7000 vs 3905 mAh
- Faster charging: 100W vs 20W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 144Hz vs 60Hz
- Lighter: 215g vs 225g
- Higher performance (94/100 vs 41/100)
- Better camera (78/100 vs 18/100)
- Longer battery life (85/100 vs 20/100)
- Better display (99/100 vs 43/100)
- Better portability (48/100 vs 28/100)
Comparison verdict
Comparing the Fairphone 4 vs the Vivo iQOO 15, the Vivo iQOO 15 scores 55 points higher (86/100 vs 31/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 41/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 18/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 20/100). Value score: Fairphone 4 — 0/100, Vivo iQOO 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 Vivo iQOO 15 significantly outperforms the Fairphone 4 (94/100 vs 41/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Fairphone 4 (99/100 vs 43/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Fairphone 4 (78/100 vs 18/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Fairphone 4 (85/100 vs 20/100). In the "portability" category, the Vivo iQOO 15 notably outperforms the Fairphone 4 (48/100 vs 28/100).
Specs comparison
| Specification | Fairphone 4 | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Snapdragon 750G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 566483 | 3758268 | |
| Geekbench Single | 601 | 3013 | |
| Geekbench Multi | 1882 | 9287 | |
| Display | 6.3" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 1080x2340 | 1440x3168 | |
| Refresh rate | 60 Hz | 144 Hz | |
| Battery | 3905 mAh | 7000 mAh | |
| Charging | 20W | 100W | |
| Wireless charging | 0W | 40W | |
| 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 / 1TB | |
| OS | Android 11 | Android 16 | |
| Brightness (peak) | — | 6000 nits | |
| NFC | yes | yes | |
| Protection | IP54 | IP68 | |
| Dimensions | 162.0×75.5×10.5 mm | 163.7×76.8×8.1 mm | |
| Weight | 225 g | 215 g | |
| Launch price | $449 | $599 |
Camera comparison
Fairphone 4
- Main: 48MP f/1.6
- Ultrawide: 48MP
- Front: 25MP
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Fairphone 4
- 6.3" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 60 Hz
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Fairphone 4
- 3905 mAh
- Wired: 20W
- No wireless charging
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared Fairphone 4 and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Fairphone 4 by 84.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $150. Fairphone 4 was $150 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Fairphone 4 (94/100 vs 41/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Fairphone 4 (99/100 vs 43/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Fairphone 4 (78/100 vs 18/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Fairphone 4 (85/100 vs 20/100).
portability
In the "portability" category, the Vivo iQOO 15 notably outperforms the Fairphone 4 (48/100 vs 28/100).
Frequently asked questions
Which is better: the Fairphone 4 or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Fairphone 4 by 55 points (86/100 vs 31/100).
What is the rating of the Fairphone 4 and the Vivo iQOO 15?
The Fairphone 4 has a MobileRank rating of 31/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the Fairphone 4 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 18/100).
Which is more powerful: the Fairphone 4 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 41/100).
Should you choose the Fairphone 4 over the Vivo iQOO 15?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.