Poco C85x vs Xiaomi 17 Ultra (China)

The Poco C85x (2026) runs on the MediaTek Dimensity 6300, 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 40/100 (a 47-point difference). Key differences: the Xiaomi 17 Ultra (China) has the bigger battery (6800 mAh vs 6300); the main camera is 32 MP vs 50 MP; the Xiaomi 17 Ultra (China) is faster in AnTuTu (3,950,082 vs 528,398); the Xiaomi 17 Ultra (China) has NFC for contactless payments, the Poco C85x doesn't.

The Xiaomi 17 Ultra (China) significantly outperforms the Poco C85x by 47 points (87/100 vs 40/100).

Profile comparison

Category scores

Poco C85x

Performance 43
Display 55
Camera 20
Battery 52
Portability 51
Value for money —

Xiaomi 17 Ultra (China)

Performance 98
Display 81
Camera 87
Battery 83
Portability 42
Value for money 88

What makes Poco C85x better?

  • Lighter: 210g vs 224g

  • Better portability (51/100 vs 42/100)

What makes Xiaomi 17 Ultra (China) better?

  • Higher AnTuTu: 3950082 vs 528398
  • Better Geekbench Single: 3639 vs 771
  • Better Geekbench Multi: 11047 vs 1980
  • Bigger battery: 6800 vs 6300 mAh
  • Faster charging: 90W vs 15W
  • Better main camera: 50MP vs 32MP

  • Higher performance (98/100 vs 43/100)
  • Better camera (87/100 vs 20/100)
  • Longer battery life (83/100 vs 52/100)
  • Better display (81/100 vs 55/100)

Comparison verdict

Comparing the Poco C85x vs the Xiaomi 17 Ultra (China), the Xiaomi 17 Ultra (China) scores 47 points higher (87/100 vs 40/100). In the "performance" category, the Xiaomi 17 Ultra (China) leads (98/100 vs 43/100). In the "camera" category, the Xiaomi 17 Ultra (China) leads (87/100 vs 20/100). In the "battery" category, the Xiaomi 17 Ultra (China) leads (83/100 vs 52/100). In the "performance" category, the Xiaomi 17 Ultra (China) significantly outperforms the Poco C85x (98/100 vs 43/100). In the "display" category, the Xiaomi 17 Ultra (China) notably outperforms the Poco C85x (81/100 vs 55/100). In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Poco C85x (87/100 vs 20/100). In the "battery" category, the Xiaomi 17 Ultra (China) significantly outperforms the Poco C85x (83/100 vs 52/100). In the "portability" category, the Poco C85x is a bit better (51/100 vs 42/100).

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.

Specs comparison

Specification Poco C85x Xiaomi 17 Ultra (China)
Processor MediaTek Dimensity 6300 Snapdragon 8 Elite Gen 5
AnTuTu 528398 3950082
Geekbench Single 771 3639
Geekbench Multi 1980 11047
Display 6.9" IPS LCD 6.9" LTPO AMOLED
Resolution 720x1600 1200x2608
Refresh rate 120 Hz 120 Hz
Battery 6300 mAh 6800 mAh
Charging 15W 90W
Wireless charging 0W 50W
Main camera 32 MP 50 MP
Ultrawide 0 MP 50 MP
Telephoto 0 MP 200 MP
Front camera 8 MP 50 MP
RAM 4GB 12GB / 16GB
Storage 64GB / 128GB 512GB / 1TB
OS Android 16 Android 16
Brightness (peak) 810 nits —
NFC no yes
Protection — IP68/IP69
Dimensions 171.6×79.5×8.2 mm 162.9×77.6×8.3 mm
Weight 210 g 224 g
Launch price — $892

Camera comparison

Poco C85x

  • Main: 32MP
  • Front: 8MP
20
camera

Xiaomi 17 Ultra (China)

  • Main: 50MP f/1.7
  • Ultrawide: 50MP
  • Telephoto: 200MP
  • Front: 50MP
87
camera

Display comparison

Poco C85x

  • 6.9" IPS LCD
  • Resolution: 720x1600
  • Refresh rate: 120 Hz
55
display

Xiaomi 17 Ultra (China)

  • 6.9" LTPO AMOLED
  • Resolution: 1200x2608
  • Refresh rate: 120 Hz
81
display

Battery and charging

Poco C85x

  • 6300 mAh
  • Wired: 15W
  • No wireless charging
52
battery

Xiaomi 17 Ultra (China)

  • 6800 mAh
  • Wired: 90W
  • Wireless: 50W
83
battery

Overall performance score

We compared Poco C85x and Xiaomi 17 Ultra (China), covering their specs and all relevant benchmarks.

Poco C85x MediaTek Dimensity 6300
40/100
528398 AnTuTu
Xiaomi 17 Ultra (China) Snapdragon 8 Elite Gen 5
87/100 +86.6%
3950082 AnTuTu

Xiaomi 17 Ultra (China) leads Poco C85x by 86.6% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Poco C85x

Price unknown

Xiaomi 17 Ultra (China)

$892

Detailed category analysis

performance

In the "performance" category, the Xiaomi 17 Ultra (China) significantly outperforms the Poco C85x (98/100 vs 43/100).

display

In the "display" category, the Xiaomi 17 Ultra (China) notably outperforms the Poco C85x (81/100 vs 55/100).

camera

In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Poco C85x (87/100 vs 20/100).

battery

In the "battery" category, the Xiaomi 17 Ultra (China) significantly outperforms the Poco C85x (83/100 vs 52/100).

portability

In the "portability" category, the Poco C85x is a bit better (51/100 vs 42/100).

Frequently asked questions

Which is better: the Poco C85x or the Xiaomi 17 Ultra (China)?

The Xiaomi 17 Ultra (China) significantly outperforms the Poco C85x by 47 points (87/100 vs 40/100).

What is the rating of the Poco C85x and the Xiaomi 17 Ultra (China)?

The Poco C85x has a MobileRank rating of 40/100, the Xiaomi 17 Ultra (China) — 87/100.

Which has the better camera: the Poco C85x or the Xiaomi 17 Ultra (China)?

The Xiaomi 17 Ultra (China) leads on camera score (87/100 vs 20/100).

Which is more powerful: the Poco C85x or the Xiaomi 17 Ultra (China)?

The Xiaomi 17 Ultra (China) leads on performance (98/100 vs 43/100).

Should you choose the Poco C85x 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.