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+; estimated prices are $449 and $350. By overall MobileRank rating, the Redmi K80 Ultra leads — 60/100 vs 19/100 (a 41-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 (2,876,004 vs 517,683).
Fairphone 4
Redmi K80 Ultra
- Better camera (49/100 vs 32/100)
- Higher AnTuTu: 2876004 vs 517683
- 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: $350 vs $449
- Higher performance (61/100 vs 0/100)
- Longer battery life (72/100 vs 9/100)
- Better display (100/100 vs 0/100)
- Better design/ergonomics (26/100 vs 18/100)
- Better value for money (86/100 vs 79/100)
Comparing the Fairphone 4 vs the Redmi K80 Ultra, the Redmi K80 Ultra scores 41 points higher (60/100 vs 19/100). In the "performance" category, the Redmi K80 Ultra leads (61/100 vs 0/100). In the "camera" category, the Fairphone 4 leads (49/100 vs 32/100). In the "battery" category, the Redmi K80 Ultra leads (72/100 vs 9/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Fairphone 4 (61/100 vs 0/100). In the "display" category, the Redmi K80 Ultra significantly outperforms the Fairphone 4 (100/100 vs 0/100). In the "camera" category, the Fairphone 4 notably outperforms the Redmi K80 Ultra (49/100 vs 32/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Fairphone 4 (72/100 vs 9/100). In the "design" category, the Redmi K80 Ultra is a bit better (26/100 vs 18/100). In the "value for money" category, the Redmi K80 Ultra is a bit better (86/100 vs 79/100).
| Specification | Fairphone 4 | Redmi K80 Ultra | |
|---|---|---|---|
| Processor | Snapdragon 750G | MediaTek Dimensity 9400+ | |
| AnTuTu | 517683 | 2876004 | |
| 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 | |
| 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 | |
| Price | $449 | $350 |
Fairphone 4
- Main: 48MP f/f/1.6
- Ultrawide: 48MP
- Front: 25MP
Redmi K80 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Front: 20MP
Fairphone 4
- 6.3" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 60 Hz
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Fairphone 4
- 3905 mAh
- Wired: 20W
- No wireless charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- No wireless charging
We compared Fairphone 4 and Redmi K80 Ultra, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Fairphone 4 by 82.0% in our overall performance rating.
Price difference: $99. Redmi K80 Ultra is cheaper by $99.
performance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Fairphone 4 (61/100 vs 0/100).
display
In the "display" category, the Redmi K80 Ultra significantly outperforms the Fairphone 4 (100/100 vs 0/100).
camera
In the "camera" category, the Fairphone 4 notably outperforms the Redmi K80 Ultra (49/100 vs 32/100).
battery
In the "battery" category, the Redmi K80 Ultra significantly outperforms the Fairphone 4 (72/100 vs 9/100).
design
In the "design" category, the Redmi K80 Ultra is a bit better (26/100 vs 18/100).
value for money
In the "value for money" category, the Redmi K80 Ultra is a bit better (86/100 vs 79/100).
Which is better: the Fairphone 4 or the Redmi K80 Ultra?
The Redmi K80 Ultra significantly outperforms the Fairphone 4 by 41 points (60/100 vs 19/100).
What is the rating of the Fairphone 4 and the Redmi K80 Ultra?
The Fairphone 4 has a MobileRank rating of 19/100, the Redmi K80 Ultra — 60/100.
Which has the better camera: the Fairphone 4 or the Redmi K80 Ultra?
The Fairphone 4 leads on camera score (49/100 vs 32/100).
Which is more powerful: the Fairphone 4 or the Redmi K80 Ultra?
The Redmi K80 Ultra leads on performance (61/100 vs 0/100).
Should you choose the Fairphone 4 over the Redmi K80 Ultra?
The Fairphone 4 is a better fit for budget-conscious buyers. The Redmi K80 Ultra is a better fit for active users, budget-conscious buyers.