Realme C85 4G vs Redmi K80 Ultra
The Realme C85 4G (2026) runs on the Qualcomm Snapdragon 685, while the Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 42/100 (a 31-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 7000); the Redmi K80 Ultra is faster in AnTuTu (2,876,004 vs 467,392); the Redmi K80 Ultra has NFC for contactless payments, the Realme C85 4G doesn't.
Realme C85 4G
Redmi K80 Ultra
- Lighter: 215g vs 219g
- Better portability (45/100 vs 40/100)
- Higher AnTuTu: 2876004 vs 467392
- Better Geekbench Single: 2729 vs 466
- Better Geekbench Multi: 8430 vs 1396
- Bigger battery: 7410 vs 7000 mAh
- Faster charging: 100W vs 45W
- Higher performance (89/100 vs 33/100)
- Better camera (37/100 vs 30/100)
- Longer battery life (86/100 vs 60/100)
- Better display (94/100 vs 65/100)
Comparing the Realme C85 4G vs the Redmi K80 Ultra, the Redmi K80 Ultra scores 31 points higher (73/100 vs 42/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 33/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 60/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Realme C85 4G (89/100 vs 33/100). In the "display" category, the Redmi K80 Ultra notably outperforms the Realme C85 4G (94/100 vs 65/100). In the "camera" category, the Redmi K80 Ultra is a bit better (37/100 vs 30/100). In the "battery" category, the Redmi K80 Ultra notably outperforms the Realme C85 4G (86/100 vs 60/100). In the "portability" category, the Realme C85 4G is a bit better (45/100 vs 40/100).
| Specification | Realme C85 4G | Redmi K80 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | MediaTek Dimensity 9400+ | |
| AnTuTu | 467392 | 2876004 | |
| Geekbench Single | 466 | 2729 | |
| Geekbench Multi | 1396 | 8430 | |
| Display | 6.8" IPS LCD | 6.8" OLED | |
| Resolution | 720x1570 | 1280x2772 | |
| Refresh rate | 144 Hz | 144 Hz | |
| Battery | 7000 mAh | 7410 mAh | |
| Charging | 45W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15, Realme UI 6.0 | Android 15 | |
| Brightness (peak) | 1200 nits | 3200 nits | |
| NFC | no | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 166.2×78.0×8.4 mm | — | |
| Weight | 215 g | 219 g | |
| Launch price | — | $350 |
Realme C85 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Redmi K80 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Front: 20MP
Realme C85 4G
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 144 Hz
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Realme C85 4G
- 7000 mAh
- Wired: 45W
- No wireless charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
We compared Realme C85 4G and Redmi K80 Ultra, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Realme C85 4G by 83.7% in our overall performance rating.
Realme C85 4G
Price unknownperformance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Realme C85 4G (89/100 vs 33/100).
display
In the "display" category, the Redmi K80 Ultra notably outperforms the Realme C85 4G (94/100 vs 65/100).
camera
In the "camera" category, the Redmi K80 Ultra is a bit better (37/100 vs 30/100).
battery
In the "battery" category, the Redmi K80 Ultra notably outperforms the Realme C85 4G (86/100 vs 60/100).
portability
In the "portability" category, the Realme C85 4G is a bit better (45/100 vs 40/100).
Which is better: the Realme C85 4G or the Redmi K80 Ultra?
The Redmi K80 Ultra significantly outperforms the Realme C85 4G by 31 points (73/100 vs 42/100).
What is the rating of the Realme C85 4G and the Redmi K80 Ultra?
The Realme C85 4G has a MobileRank rating of 42/100, the Redmi K80 Ultra — 73/100.
Which has the better camera: the Realme C85 4G or the Redmi K80 Ultra?
The Redmi K80 Ultra leads on camera score (37/100 vs 30/100).
Which is more powerful: the Realme C85 4G or the Redmi K80 Ultra?
The Redmi K80 Ultra leads on performance (89/100 vs 33/100).
Should you choose the Realme C85 4G over the Redmi K80 Ultra?
The Realme C85 4G is a better fit for everyday use. The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.