Poco C85x vs Xiaomi 17 Ultra
The Poco C85x (2026) runs on the MediaTek Dimensity 6300, 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 40/100 (a 49-point difference). Key differences: the Poco C85x has the bigger battery (6300 mAh vs 6000); the main camera is 32 MP vs 50 MP; the Xiaomi 17 Ultra is faster in AnTuTu (3,667,711 vs 528,398); the Xiaomi 17 Ultra has NFC for contactless payments, the Poco C85x doesn't; the Poco C85x is noticeably lighter (210g vs 226g).
Profile comparison
Category scores
Poco C85x
Xiaomi 17 Ultra
What makes Poco C85x better?
- Bigger battery: 6300 vs 6000 mAh
- Lighter: 210g vs 226g
- Better portability (51/100 vs 40/100)
What makes Xiaomi 17 Ultra better?
- Higher AnTuTu: 3667711 vs 528398
- Better Geekbench Single: 3639 vs 771
- Better Geekbench Multi: 11047 vs 1980
- Faster charging: 90W vs 15W
- Better main camera: 50MP vs 32MP
- Higher performance (97/100 vs 43/100)
- Better camera (93/100 vs 20/100)
- Longer battery life (80/100 vs 52/100)
- Better display (89/100 vs 55/100)
Comparison verdict
Comparing the Poco C85x vs the Xiaomi 17 Ultra, the Xiaomi 17 Ultra scores 49 points higher (89/100 vs 40/100). In the "performance" category, the Xiaomi 17 Ultra leads (97/100 vs 43/100). In the "camera" category, the Xiaomi 17 Ultra leads (93/100 vs 20/100). In the "battery" category, the Xiaomi 17 Ultra leads (80/100 vs 52/100). In the "performance" category, the Xiaomi 17 Ultra significantly outperforms the Poco C85x (97/100 vs 43/100). In the "display" category, the Xiaomi 17 Ultra significantly outperforms the Poco C85x (89/100 vs 55/100). In the "camera" category, the Xiaomi 17 Ultra significantly outperforms the Poco C85x (93/100 vs 20/100). In the "battery" category, the Xiaomi 17 Ultra notably outperforms the Poco C85x (80/100 vs 52/100). In the "portability" category, the Poco C85x is a bit better (51/100 vs 40/100).
Specs comparison
| Specification | Poco C85x | Xiaomi 17 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 528398 | 3667711 | |
| Geekbench Single | 771 | 3639 | |
| Geekbench Multi | 1980 | 11047 | |
| Display | 6.9" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1600 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6300 mAh | 6000 mAh | |
| Charging | 15W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 166 | |
| Main camera | 32 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 810 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 171.6×79.5×8.2 mm | 162.9×77.6×8.3 mm | |
| Weight | 210 g | 226 g | |
| Launch price | — | $999 |
Camera comparison
Poco C85x
- Main: 32MP
- Front: 8MP
Xiaomi 17 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Poco C85x
- 6.9" IPS LCD
- Resolution: 720x1600
- Refresh rate: 120 Hz
Xiaomi 17 Ultra
- 6.8" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
Poco C85x
- 6300 mAh
- Wired: 15W
- No wireless charging
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 Poco C85x and Xiaomi 17 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra leads Poco C85x by 85.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Poco C85x
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 17 Ultra significantly outperforms the Poco C85x (97/100 vs 43/100).
display
In the "display" category, the Xiaomi 17 Ultra significantly outperforms the Poco C85x (89/100 vs 55/100).
camera
In the "camera" category, the Xiaomi 17 Ultra significantly outperforms the Poco C85x (93/100 vs 20/100).
battery
In the "battery" category, the Xiaomi 17 Ultra notably outperforms the Poco C85x (80/100 vs 52/100).
portability
In the "portability" category, the Poco C85x is a bit better (51/100 vs 40/100).
Frequently asked questions
Which is better: the Poco C85x or the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra significantly outperforms the Poco C85x by 49 points (89/100 vs 40/100).
What is the rating of the Poco C85x and the Xiaomi 17 Ultra?
The Poco C85x has a MobileRank rating of 40/100, the Xiaomi 17 Ultra — 89/100.
Which has the better camera: the Poco C85x or the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra leads on camera score (93/100 vs 20/100).
Which is more powerful: the Poco C85x or the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra leads on performance (97/100 vs 43/100).
Should you choose the Poco C85x 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.