Oppo A55s 5G vs Xiaomi 17 Ultra
The Oppo A55s 5G (2021) runs on the Qualcomm Snapdragon 480, while the Xiaomi 17 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Xiaomi 17 Ultra leads — 89/100 vs 33/100 (a 56-point difference). Key differences: the Xiaomi 17 Ultra has the bigger battery (6000 mAh vs 4000); the main camera is 13 MP vs 50 MP; the Xiaomi 17 Ultra is faster in AnTuTu (3,667,711 vs 435,710); the Xiaomi 17 Ultra has NFC for contactless payments, the Oppo A55s 5G doesn't; the Oppo A55s 5G is noticeably lighter (178g vs 226g).
Profile comparison
Category scores
Oppo A55s 5G
Xiaomi 17 Ultra
What makes Oppo A55s 5G better?
- Lighter: 178g vs 226g
- Better portability (70/100 vs 40/100)
What makes Xiaomi 17 Ultra better?
- Higher AnTuTu: 3667711 vs 435710
- Better Geekbench Single: 3639 vs 689
- Better Geekbench Multi: 11047 vs 1597
- Bigger battery: 6000 vs 4000 mAh
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 120Hz vs 90Hz
- Higher performance (97/100 vs 38/100)
- Better camera (93/100 vs 10/100)
- Longer battery life (80/100 vs 32/100)
- Better display (89/100 vs 54/100)
Comparison verdict
Comparing the Oppo A55s 5G vs the Xiaomi 17 Ultra, the Xiaomi 17 Ultra scores 56 points higher (89/100 vs 33/100). In the "performance" category, the Xiaomi 17 Ultra leads (97/100 vs 38/100). In the "camera" category, the Xiaomi 17 Ultra leads (93/100 vs 10/100). In the "battery" category, the Xiaomi 17 Ultra leads (80/100 vs 32/100). In the "performance" category, the Xiaomi 17 Ultra significantly outperforms the Oppo A55s 5G (97/100 vs 38/100). In the "display" category, the Xiaomi 17 Ultra significantly outperforms the Oppo A55s 5G (89/100 vs 54/100). In the "camera" category, the Xiaomi 17 Ultra significantly outperforms the Oppo A55s 5G (93/100 vs 10/100). In the "battery" category, the Xiaomi 17 Ultra significantly outperforms the Oppo A55s 5G (80/100 vs 32/100). In the "portability" category, the Oppo A55s 5G significantly outperforms the Xiaomi 17 Ultra (70/100 vs 40/100).
Specs comparison
| Specification | Oppo A55s 5G | Xiaomi 17 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 480 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 435710 | 3667711 | |
| Geekbench Single | 689 | 3639 | |
| Geekbench Multi | 1597 | 11047 | |
| Display | 6.5" LCD IPS | 6.8" LTPO AMOLED | |
| Resolution | 1080x2400 | 3200x1440 | |
| Refresh rate | 90 Hz | 120 Hz | |
| Battery | 4000 mAh | 6000 mAh | |
| Charging | — | 90W | |
| Wireless charging | — | 50W | |
| DXOMark (camera) | — | 166 | |
| Main camera | 13 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | — | 12GB / 16GB | |
| Storage | 64GB | 256GB / 512GB / 1TB | |
| OS | Android 11 Red Velvet Cake | Android 16 | |
| Brightness (peak) | 550 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 162.1×74.7×8.2 mm | 162.9×77.6×8.3 mm | |
| Weight | 178 g | 226 g | |
| Launch price | — | $999 |
Camera comparison
Oppo A55s 5G
- Main: 13MP
- Front: 8MP
Xiaomi 17 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Oppo A55s 5G
- 6.5" LCD IPS
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Xiaomi 17 Ultra
- 6.8" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
Oppo A55s 5G
- 4000 mAh
- Wireless charging: no data
Xiaomi 17 Ultra
- 6000 mAh
- NanoReview test: web browsing 16:09 hrs, total 33:23 hrs
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared Oppo A55s 5G and Xiaomi 17 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra leads Oppo A55s 5G by 88.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo A55s 5G
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 17 Ultra significantly outperforms the Oppo A55s 5G (97/100 vs 38/100).
display
In the "display" category, the Xiaomi 17 Ultra significantly outperforms the Oppo A55s 5G (89/100 vs 54/100).
camera
In the "camera" category, the Xiaomi 17 Ultra significantly outperforms the Oppo A55s 5G (93/100 vs 10/100).
battery
In the "battery" category, the Xiaomi 17 Ultra significantly outperforms the Oppo A55s 5G (80/100 vs 32/100).
portability
In the "portability" category, the Oppo A55s 5G significantly outperforms the Xiaomi 17 Ultra (70/100 vs 40/100).
Frequently asked questions
Which is better: the Oppo A55s 5G or the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra significantly outperforms the Oppo A55s 5G by 56 points (89/100 vs 33/100).
What is the rating of the Oppo A55s 5G and the Xiaomi 17 Ultra?
The Oppo A55s 5G has a MobileRank rating of 33/100, the Xiaomi 17 Ultra — 89/100.
Which has the better camera: the Oppo A55s 5G or the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra leads on camera score (93/100 vs 10/100).
Which is more powerful: the Oppo A55s 5G or the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra leads on performance (97/100 vs 38/100).
Should you choose the Oppo A55s 5G over the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.