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 39/100 (a 47-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 (3,740,528 vs 517,683); the Vivo iQOO 15 is thinner (8.1mm vs 10.5mm).
Fairphone 4
Vivo iQOO 15
- Cheaper at launch: $449 vs $599
- Overall rating 39/100
- Higher AnTuTu: 3740528 vs 517683
- Better Geekbench Single: 3041 vs 601
- Better Geekbench Multi: 9494 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 40/100)
- Better camera (78/100 vs 53/100)
- Longer battery life (85/100 vs 20/100)
- Better display (99/100 vs 43/100)
- Better portability (48/100 vs 28/100)
Comparing the Fairphone 4 vs the Vivo iQOO 15, the Vivo iQOO 15 scores 47 points higher (86/100 vs 39/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 40/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 53/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 20/100). Value score: Fairphone 4 — 10/100, Vivo iQOO 15 — 84/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo iQOO 15 significantly outperforms the Fairphone 4 (94/100 vs 40/100). 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 notably outperforms the Fairphone 4 (78/100 vs 53/100). 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).
| Specification | Fairphone 4 | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Snapdragon 750G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 517683 | 3740528 | |
| Geekbench Single | 601 | 3041 | |
| Geekbench Multi | 1882 | 9494 | |
| 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 | |
| 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 |
Fairphone 4
- Main: 48MP f/f/1.6
- Ultrawide: 48MP
- Front: 25MP
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
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
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
We compared Fairphone 4 and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Fairphone 4 by 86.2% in our overall performance rating.
Launch price difference: $150. Fairphone 4 was $150 cheaper at launch.
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Fairphone 4 (94/100 vs 40/100).
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 notably outperforms the Fairphone 4 (78/100 vs 53/100).
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).
Which is better: the Fairphone 4 or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Fairphone 4 by 47 points (86/100 vs 39/100).
What is the rating of the Fairphone 4 and the Vivo iQOO 15?
The Fairphone 4 has a MobileRank rating of 39/100, 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 53/100).
Which is more powerful: the Fairphone 4 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 40/100).
Should you choose the Fairphone 4 over the Vivo iQOO 15?
The Fairphone 4 is a better fit for everyday use. The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.