Realme C55 vs Xiaomi 17 Ultra (China)
The Realme C55 (2023) runs on the MediaTek Helio G88, while the Xiaomi 17 Ultra (China) (2025) runs on the Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Xiaomi 17 Ultra (China) leads — 87/100 vs 39/100 (a 48-point difference). Key differences: the Xiaomi 17 Ultra (China) has the bigger battery (6800 mAh vs 5000); the main camera is 64 MP vs 50 MP; the Xiaomi 17 Ultra (China) is faster in AnTuTu (3,950,082 vs 365,001); the Realme C55 is noticeably lighter (189g vs 224g).
Profile comparison
Category scores
Realme C55
Xiaomi 17 Ultra (China)
What makes Realme C55 better?
- Better main camera: 64MP vs 50MP
- Lighter: 189g vs 224g
- Better portability (66/100 vs 42/100)
What makes Xiaomi 17 Ultra (China) better?
- Higher AnTuTu: 3950082 vs 365001
- Better Geekbench Single: 3639 vs 430
- Better Geekbench Multi: 11047 vs 1375
- Bigger battery: 6800 vs 5000 mAh
- Faster charging: 90W vs 33W
- Higher refresh rate: 120Hz vs 90Hz
- Higher performance (98/100 vs 29/100)
- Better camera (87/100 vs 37/100)
- Longer battery life (83/100 vs 46/100)
- Better display (81/100 vs 54/100)
Comparison verdict
Comparing the Realme C55 vs the Xiaomi 17 Ultra (China), the Xiaomi 17 Ultra (China) scores 48 points higher (87/100 vs 39/100). In the "performance" category, the Xiaomi 17 Ultra (China) leads (98/100 vs 29/100). In the "camera" category, the Xiaomi 17 Ultra (China) leads (87/100 vs 37/100). In the "battery" category, the Xiaomi 17 Ultra (China) leads (83/100 vs 46/100). In the "performance" category, the Xiaomi 17 Ultra (China) significantly outperforms the Realme C55 (98/100 vs 29/100). In the "display" category, the Xiaomi 17 Ultra (China) notably outperforms the Realme C55 (81/100 vs 54/100). In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Realme C55 (87/100 vs 37/100). In the "battery" category, the Xiaomi 17 Ultra (China) significantly outperforms the Realme C55 (83/100 vs 46/100). In the "portability" category, the Realme C55 notably outperforms the Xiaomi 17 Ultra (China) (66/100 vs 42/100).
Specs comparison
| Specification | Realme C55 | Xiaomi 17 Ultra (China) | |
|---|---|---|---|
| Processor | MediaTek Helio G88 | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 365001 | 3950082 | |
| Geekbench Single | 430 | 3639 | |
| Geekbench Multi | 1375 | 11047 | |
| Display | 6.7" IPS LCD | 6.9" LTPO AMOLED | |
| Resolution | 1080x2400 | 1200x2608 | |
| Refresh rate | 90 Hz | 120 Hz | |
| Battery | 5000 mAh | 6800 mAh | |
| Charging | 33W | 90W | |
| Wireless charging | 0W | 50W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 8 MP | 50 MP | |
| RAM | 4GB / 6GB / 8GB | 12GB / 16GB | |
| Storage | 64GB / 128GB / 256GB | 512GB / 1TB | |
| OS | Android 13, Realme UI 4.0 | Android 16 | |
| Brightness (peak) | 680 nits | — | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 165.6×75.9×7.9 mm | 162.9×77.6×8.3 mm | |
| Weight | 189 g | 224 g | |
| Launch price | — | $892 |
Camera comparison
Realme C55
- Main: 64MP
- Front: 8MP
Xiaomi 17 Ultra (China)
- Main: 50MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
Realme C55
- 6.7" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Xiaomi 17 Ultra (China)
- 6.9" LTPO AMOLED
- Resolution: 1200x2608
- Refresh rate: 120 Hz
Battery and charging
Realme C55
- 5000 mAh
- Wired: 33W
- No wireless charging
Xiaomi 17 Ultra (China)
- 6800 mAh
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared Realme C55 and Xiaomi 17 Ultra (China), covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra (China) leads Realme C55 by 90.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Realme C55
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 17 Ultra (China) significantly outperforms the Realme C55 (98/100 vs 29/100).
display
In the "display" category, the Xiaomi 17 Ultra (China) notably outperforms the Realme C55 (81/100 vs 54/100).
camera
In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Realme C55 (87/100 vs 37/100).
battery
In the "battery" category, the Xiaomi 17 Ultra (China) significantly outperforms the Realme C55 (83/100 vs 46/100).
portability
In the "portability" category, the Realme C55 notably outperforms the Xiaomi 17 Ultra (China) (66/100 vs 42/100).
Frequently asked questions
Which is better: the Realme C55 or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) significantly outperforms the Realme C55 by 48 points (87/100 vs 39/100).
What is the rating of the Realme C55 and the Xiaomi 17 Ultra (China)?
The Realme C55 has a MobileRank rating of 39/100, the Xiaomi 17 Ultra (China) — 87/100.
Which has the better camera: the Realme C55 or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on camera score (87/100 vs 37/100).
Which is more powerful: the Realme C55 or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on performance (98/100 vs 29/100).
Should you choose the Realme C55 over the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.