Fairphone 4 vs Redmi K80 Ultra
The Fairphone 4 (2021) runs on the Snapdragon 750G, while the Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+; launch prices were $449 and $350. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 31/100 (a 42-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 3905); the main camera is 48 MP vs 50 MP; the Redmi K80 Ultra is faster in AnTuTu (2,874,956 vs 566,483).
Profile comparison
Category scores
Fairphone 4
Redmi K80 Ultra
What makes Fairphone 4 better?
- Overall rating 31/100
What makes Redmi K80 Ultra better?
- Higher AnTuTu: 2874956 vs 566483
- Better Geekbench Single: 2729 vs 601
- Better Geekbench Multi: 8430 vs 1882
- Bigger battery: 7410 vs 3905 mAh
- Faster charging: 100W vs 20W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 144Hz vs 60Hz
- Lighter: 219g vs 225g
- Cheaper at launch: $350 vs $449
- Higher performance (89/100 vs 41/100)
- Better camera (37/100 vs 18/100)
- Longer battery life (86/100 vs 20/100)
- Better display (94/100 vs 43/100)
- Better portability (40/100 vs 28/100)
Comparison verdict
Comparing the Fairphone 4 vs the Redmi K80 Ultra, the Redmi K80 Ultra scores 42 points higher (73/100 vs 31/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 41/100). In the "camera" category, the Redmi K80 Ultra leads (37/100 vs 18/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 20/100). Value score: Fairphone 4 — 0/100, Redmi K80 Ultra — 80/100; 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 Redmi K80 Ultra significantly outperforms the Fairphone 4 (89/100 vs 41/100). In the "display" category, the Redmi K80 Ultra significantly outperforms the Fairphone 4 (94/100 vs 43/100). In the "camera" category, the Redmi K80 Ultra notably outperforms the Fairphone 4 (37/100 vs 18/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Fairphone 4 (86/100 vs 20/100). In the "portability" category, the Redmi K80 Ultra is a bit better (40/100 vs 28/100).
Specs comparison
| Specification | Fairphone 4 | Redmi K80 Ultra | |
|---|---|---|---|
| Processor | Snapdragon 750G | MediaTek Dimensity 9400+ | |
| AnTuTu | 566483 | 2874956 | |
| Geekbench Single | 601 | 2729 | |
| Geekbench Multi | 1882 | 8430 | |
| Display | 6.3" IPS LCD | 6.8" OLED | |
| Resolution | 1080x2340 | 1280x2772 | |
| Refresh rate | 60 Hz | 144 Hz | |
| Battery | 3905 mAh | 7410 mAh | |
| Charging | 20W | 100W | |
| DXOMark (camera) | 69 | — | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 48 MP | 8 MP | |
| Front camera | 25 MP | 20 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 11 | Android 15 | |
| Brightness (peak) | — | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP54 | IP68 | |
| Dimensions | 162.0×75.5×10.5 mm | — | |
| Weight | 225 g | 219 g | |
| Launch price | $449 | $350 |
Camera comparison
Fairphone 4
- Main: 48MP f/1.6
- Ultrawide: 48MP
- Front: 25MP
Redmi K80 Ultra
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Fairphone 4
- 6.3" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 60 Hz
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Battery and charging
Fairphone 4
- 3905 mAh
- Wired: 20W
- No wireless charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
Overall performance score
We compared Fairphone 4 and Redmi K80 Ultra, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Fairphone 4 by 80.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $99. Redmi K80 Ultra was $99 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Fairphone 4 (89/100 vs 41/100).
display
In the "display" category, the Redmi K80 Ultra significantly outperforms the Fairphone 4 (94/100 vs 43/100).
camera
In the "camera" category, the Redmi K80 Ultra notably outperforms the Fairphone 4 (37/100 vs 18/100).
battery
In the "battery" category, the Redmi K80 Ultra significantly outperforms the Fairphone 4 (86/100 vs 20/100).
portability
In the "portability" category, the Redmi K80 Ultra is a bit better (40/100 vs 28/100).
Frequently asked questions
Which is better: the Fairphone 4 or the Redmi K80 Ultra?
The Redmi K80 Ultra significantly outperforms the Fairphone 4 by 42 points (73/100 vs 31/100).
What is the rating of the Fairphone 4 and the Redmi K80 Ultra?
The Fairphone 4 has a MobileRank rating of 31/100, the Redmi K80 Ultra — 73/100.
Which has the better camera: the Fairphone 4 or the Redmi K80 Ultra?
The Redmi K80 Ultra leads on camera score (37/100 vs 18/100).
Which is more powerful: the Fairphone 4 or the Redmi K80 Ultra?
The Redmi K80 Ultra leads on performance (89/100 vs 41/100).
Should you choose the Fairphone 4 over the Redmi K80 Ultra?
The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.