Realme C55 vs Redmi K80 Ultra
The Realme C55 (2023) runs on the MediaTek Helio G88, while the Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+. By overall MobileRank rating, the Redmi K80 Ultra leads — 60/100 vs 26/100 (a 34-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5000); the main camera is 64 MP vs 50 MP; the Redmi K80 Ultra is faster in AnTuTu (2,876,004 vs 362,744); the Realme C55 is noticeably lighter (189g vs 219g).
Realme C55
Redmi K80 Ultra
- Better main camera: 64MP vs 50MP
- Lighter: 189g vs 219g
- Better camera (34/100 vs 32/100)
- Better design/ergonomics (63/100 vs 26/100)
- Higher AnTuTu: 2876004 vs 362744
- Better Geekbench Single: 2729 vs 430
- Better Geekbench Multi: 8430 vs 1375
- Bigger battery: 7410 vs 5000 mAh
- Faster charging: 100W vs 33W
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (61/100 vs 0/100)
- Longer battery life (72/100 vs 39/100)
- Better display (100/100 vs 50/100)
- Better value for money (86/100 vs 55/100)
Comparing the Realme C55 vs the Redmi K80 Ultra, the Redmi K80 Ultra scores 34 points higher (60/100 vs 26/100). In the "performance" category, the Redmi K80 Ultra leads (61/100 vs 0/100). In the "battery" category, the Redmi K80 Ultra leads (72/100 vs 39/100). In the "value for money" category, the Redmi K80 Ultra leads (86/100 vs 55/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Realme C55 (61/100 vs 0/100). In the "display" category, the Redmi K80 Ultra significantly outperforms the Realme C55 (100/100 vs 50/100). In the "camera" category, the Realme C55 and the Redmi K80 Ultra are nearly equal (34/100 vs 32/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Realme C55 (72/100 vs 39/100). In the "design" category, the Realme C55 significantly outperforms the Redmi K80 Ultra (63/100 vs 26/100). In the "value for money" category, the Redmi K80 Ultra significantly outperforms the Realme C55 (86/100 vs 55/100).
| Specification | Realme C55 | Redmi K80 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G88 | MediaTek Dimensity 9400+ | |
| AnTuTu | 362744 | 2876004 | |
| Geekbench Single | 430 | 2729 | |
| Geekbench Multi | 1375 | 8430 | |
| Display | 6.7" IPS LCD | 6.8" OLED | |
| Resolution | 1080x2400 | 1280x2772 | |
| Refresh rate | 90 Hz | 144 Hz | |
| Battery | 5000 mAh | 7410 mAh | |
| Charging | 33W | 100W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 4GB / 6GB / 8GB | 12GB / 16GB | |
| Storage | 64GB / 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 13, Realme UI 4.0 | Android 15 | |
| Brightness (peak) | 680 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 165.6×75.9×7.9 mm | — | |
| Weight | 189 g | 219 g | |
| Price | — | $350 |
Realme C55
- Main: 64MP
- Front: 8MP
Redmi K80 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Front: 20MP
Realme C55
- 6.7" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Realme C55
- 5000 mAh
- Wired: 33W
- No wireless charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- No wireless charging
We compared Realme C55 and Redmi K80 Ultra, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Realme C55 by 87.4% in our overall performance rating.
Realme C55
Price unknownperformance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Realme C55 (61/100 vs 0/100).
display
In the "display" category, the Redmi K80 Ultra significantly outperforms the Realme C55 (100/100 vs 50/100).
camera
In the "camera" category, the Realme C55 and the Redmi K80 Ultra are nearly equal (34/100 vs 32/100).
battery
In the "battery" category, the Redmi K80 Ultra significantly outperforms the Realme C55 (72/100 vs 39/100).
design
In the "design" category, the Realme C55 significantly outperforms the Redmi K80 Ultra (63/100 vs 26/100).
value for money
In the "value for money" category, the Redmi K80 Ultra significantly outperforms the Realme C55 (86/100 vs 55/100).
Which is better: the Realme C55 or the Redmi K80 Ultra?
The Redmi K80 Ultra significantly outperforms the Realme C55 by 34 points (60/100 vs 26/100).
What is the rating of the Realme C55 and the Redmi K80 Ultra?
The Realme C55 has a MobileRank rating of 26/100, the Redmi K80 Ultra — 60/100.
Which is more powerful: the Realme C55 or the Redmi K80 Ultra?
The Redmi K80 Ultra leads on performance (61/100 vs 0/100).
Should you choose the Realme C55 over the Redmi K80 Ultra?
The Realme C55 is a better fit for everyday use. The Redmi K80 Ultra is a better fit for active users, budget-conscious buyers.