Fairphone 4 vs OnePlus Ace 6 Ultra
The Fairphone 4 (2021) runs on the Snapdragon 750G, while the OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500; launch prices were $449 and $555. By overall MobileRank rating, the OnePlus Ace 6 Ultra leads — 74/100 vs 31/100 (a 43-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 3905); the main camera is 48 MP vs 50 MP; the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 566,483); the OnePlus Ace 6 Ultra is thinner (8.5mm vs 10.5mm).
Profile comparison
Category scores
Fairphone 4
OnePlus Ace 6 Ultra
What makes Fairphone 4 better?
- Cheaper at launch: $449 vs $555
- Overall rating 31/100
What makes OnePlus Ace 6 Ultra better?
- Higher AnTuTu: 3429868 vs 566483
- Better Geekbench Single: 3293 vs 601
- Better Geekbench Multi: 10243 vs 1882
- Bigger battery: 8600 vs 3905 mAh
- Faster charging: 120W vs 20W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 165Hz vs 60Hz
- Lighter: 217g vs 225g
- Higher performance (94/100 vs 41/100)
- Better camera (35/100 vs 18/100)
- Longer battery life (82/100 vs 20/100)
- Better display (94/100 vs 43/100)
- Better portability (43/100 vs 28/100)
Comparison verdict
Comparing the Fairphone 4 vs the OnePlus Ace 6 Ultra, the OnePlus Ace 6 Ultra scores 43 points higher (74/100 vs 31/100). In the "performance" category, the OnePlus Ace 6 Ultra leads (94/100 vs 41/100). In the "camera" category, the OnePlus Ace 6 Ultra leads (35/100 vs 18/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 20/100). Value score: Fairphone 4 — 0/100, OnePlus Ace 6 Ultra — 66/100; 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 Ace 6 Ultra significantly outperforms the Fairphone 4 (94/100 vs 41/100). In the "display" category, the OnePlus Ace 6 Ultra significantly outperforms the Fairphone 4 (94/100 vs 43/100). In the "camera" category, the OnePlus Ace 6 Ultra notably outperforms the Fairphone 4 (35/100 vs 18/100). In the "battery" category, the OnePlus Ace 6 Ultra significantly outperforms the Fairphone 4 (82/100 vs 20/100). In the "portability" category, the OnePlus Ace 6 Ultra notably outperforms the Fairphone 4 (43/100 vs 28/100).
Specs comparison
| Specification | Fairphone 4 | OnePlus Ace 6 Ultra | |
|---|---|---|---|
| Processor | Snapdragon 750G | MediaTek Dimensity 9500 | |
| AnTuTu | 566483 | 3429868 | |
| Geekbench Single | 601 | 3293 | |
| Geekbench Multi | 1882 | 10243 | |
| Display | 6.3" IPS LCD | 6.8" AMOLED | |
| Resolution | 1080x2340 | 1272x2772 | |
| Refresh rate | 60 Hz | 165 Hz | |
| Battery | 3905 mAh | 8600 mAh | |
| Charging | 20W | 120W | |
| DXOMark (camera) | 69 | — | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 48 MP | 8 MP | |
| Front camera | 25 MP | 16 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 11 | Android 16 | |
| Brightness (peak) | — | 1800 nits | |
| NFC | yes | yes | |
| Protection | IP54 | IP66 | |
| Dimensions | 162.0×75.5×10.5 mm | 162.5×77.5×8.5 mm | |
| Weight | 225 g | 217 g | |
| Launch price | $449 | $555 |
Camera comparison
Fairphone 4
- Main: 48MP f/1.6
- Ultrawide: 48MP
- Front: 25MP
OnePlus Ace 6 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Display comparison
Fairphone 4
- 6.3" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 60 Hz
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Battery and charging
Fairphone 4
- 3905 mAh
- Wired: 20W
- No wireless charging
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Overall performance score
We compared Fairphone 4 and OnePlus Ace 6 Ultra, covering their specs and all relevant benchmarks.
OnePlus Ace 6 Ultra leads Fairphone 4 by 83.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $106. Fairphone 4 was $106 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Fairphone 4 (94/100 vs 41/100).
display
In the "display" category, the OnePlus Ace 6 Ultra significantly outperforms the Fairphone 4 (94/100 vs 43/100).
camera
In the "camera" category, the OnePlus Ace 6 Ultra notably outperforms the Fairphone 4 (35/100 vs 18/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra significantly outperforms the Fairphone 4 (82/100 vs 20/100).
portability
In the "portability" category, the OnePlus Ace 6 Ultra notably outperforms the Fairphone 4 (43/100 vs 28/100).
Frequently asked questions
Which is better: the Fairphone 4 or the OnePlus Ace 6 Ultra?
The OnePlus Ace 6 Ultra significantly outperforms the Fairphone 4 by 43 points (74/100 vs 31/100).
What is the rating of the Fairphone 4 and the OnePlus Ace 6 Ultra?
The Fairphone 4 has a MobileRank rating of 31/100, the OnePlus Ace 6 Ultra — 74/100.
Which has the better camera: the Fairphone 4 or the OnePlus Ace 6 Ultra?
The OnePlus Ace 6 Ultra leads on camera score (35/100 vs 18/100).
Which is more powerful: the Fairphone 4 or the OnePlus Ace 6 Ultra?
The OnePlus Ace 6 Ultra leads on performance (94/100 vs 41/100).
Should you choose the Fairphone 4 over the OnePlus Ace 6 Ultra?
The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life.