Samsung Galaxy M55 vs Xiaomi 17 Ultra (China)
The Samsung Galaxy M55 (2024) runs on the Qualcomm Snapdragon 7 Gen 1, 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 55/100 (a 32-point difference). Key differences: the Xiaomi 17 Ultra (China) has the bigger battery (6800 mAh vs 5000); the Xiaomi 17 Ultra (China) is faster in AnTuTu (3,942,923 vs 840,330); the Samsung Galaxy M55 is noticeably lighter (180g vs 224g).
Samsung Galaxy M55
Xiaomi 17 Ultra (China)
- Lighter: 180g vs 224g
- Better portability (73/100 vs 42/100)
- Higher AnTuTu: 3942923 vs 840330
- Better Geekbench Single: 3640 vs 1039
- Better Geekbench Multi: 11033 vs 2885
- Bigger battery: 6800 vs 5000 mAh
- Faster charging: 90W vs 45W
- Higher performance (98/100 vs 55/100)
- Better camera (87/100 vs 44/100)
- Longer battery life (83/100 vs 48/100)
- Better display (81/100 vs 79/100)
Comparing the Samsung Galaxy M55 vs the Xiaomi 17 Ultra (China), the Xiaomi 17 Ultra (China) scores 32 points higher (87/100 vs 55/100). In the "performance" category, the Xiaomi 17 Ultra (China) leads (98/100 vs 55/100). In the "camera" category, the Xiaomi 17 Ultra (China) leads (87/100 vs 44/100). In the "battery" category, the Xiaomi 17 Ultra (China) leads (83/100 vs 48/100). In the "performance" category, the Xiaomi 17 Ultra (China) significantly outperforms the Samsung Galaxy M55 (98/100 vs 55/100). In the "display" category, the Xiaomi 17 Ultra (China) and the Samsung Galaxy M55 are nearly equal (81/100 vs 79/100). In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Samsung Galaxy M55 (87/100 vs 44/100). In the "battery" category, the Xiaomi 17 Ultra (China) significantly outperforms the Samsung Galaxy M55 (83/100 vs 48/100). In the "portability" category, the Samsung Galaxy M55 significantly outperforms the Xiaomi 17 Ultra (China) (73/100 vs 42/100).
| Specification | Samsung Galaxy M55 | Xiaomi 17 Ultra (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 7 Gen 1 | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 840330 | 3942923 | |
| Geekbench Single | 1039 | 3640 | |
| Geekbench Multi | 2885 | 11033 | |
| Display | 6.7" Super AMOLED+ | 6.9" LTPO AMOLED | |
| Resolution | 1080x2400 | 1200x2608 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5000 mAh | 6800 mAh | |
| Charging | 45W | 90W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 50 MP | 50 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 512GB / 1TB | |
| OS | Android 14, One UI 6.1 | Android 16 | |
| Brightness (peak) | 1000 nits | — | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 163.9×76.5×7.8 mm | 162.9×77.6×8.3 mm | |
| Weight | 180 g | 224 g | |
| Launch price | — | $892 |
Samsung Galaxy M55
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 50MP
Xiaomi 17 Ultra (China)
- Main: 50MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Samsung Galaxy M55
- 6.7" Super AMOLED+
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Xiaomi 17 Ultra (China)
- 6.9" LTPO AMOLED
- Resolution: 1200x2608
- Refresh rate: 120 Hz
Samsung Galaxy M55
- 5000 mAh
- Wired: 45W
- No wireless charging
Xiaomi 17 Ultra (China)
- 6800 mAh
- Wired: 90W
- Wireless: 50W
We compared Samsung Galaxy M55 and Xiaomi 17 Ultra (China), covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra (China) leads Samsung Galaxy M55 by 78.7% in our overall performance rating.
Samsung Galaxy M55
Price unknownperformance
In the "performance" category, the Xiaomi 17 Ultra (China) significantly outperforms the Samsung Galaxy M55 (98/100 vs 55/100).
display
In the "display" category, the Xiaomi 17 Ultra (China) and the Samsung Galaxy M55 are nearly equal (81/100 vs 79/100).
camera
In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Samsung Galaxy M55 (87/100 vs 44/100).
battery
In the "battery" category, the Xiaomi 17 Ultra (China) significantly outperforms the Samsung Galaxy M55 (83/100 vs 48/100).
portability
In the "portability" category, the Samsung Galaxy M55 significantly outperforms the Xiaomi 17 Ultra (China) (73/100 vs 42/100).
Which is better: the Samsung Galaxy M55 or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) significantly outperforms the Samsung Galaxy M55 by 32 points (87/100 vs 55/100).
What is the rating of the Samsung Galaxy M55 and the Xiaomi 17 Ultra (China)?
The Samsung Galaxy M55 has a MobileRank rating of 55/100, the Xiaomi 17 Ultra (China) — 87/100.
Which has the better camera: the Samsung Galaxy M55 or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on camera score (87/100 vs 44/100).
Which is more powerful: the Samsung Galaxy M55 or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on performance (98/100 vs 55/100).
Should you choose the Samsung Galaxy M55 over the Xiaomi 17 Ultra (China)?
The Samsung Galaxy M55 is a better fit for everyday use. 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.