Oukitel C18 Pro Max vs Xiaomi 17 Ultra

The Oukitel C18 Pro Max (2026) runs on the Unisoc T615, 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 34/100 (a 55-point difference). Key differences: the Xiaomi 17 Ultra has the bigger battery (6000 mAh vs 5000); the main camera is 64 MP vs 50 MP; the Oukitel C18 Pro Max is noticeably lighter (205g vs 226g).

The Xiaomi 17 Ultra significantly outperforms the Oukitel C18 Pro Max by 55 points (89/100 vs 34/100).

Profile comparison

Category scores

Oukitel C18 Pro Max

Performance 18
Display 55
Camera 37
Battery 43
Portability 47
Value for money —

Xiaomi 17 Ultra

Performance 97
Display 89
Camera 93
Battery 80
Portability 40
Value for money 88

What makes Oukitel C18 Pro Max better?

  • Better main camera: 64MP vs 50MP
  • Lighter: 205g vs 226g

  • Better portability (47/100 vs 40/100)

What makes Xiaomi 17 Ultra better?

  • Better Geekbench Single: 3639 vs 380
  • Better Geekbench Multi: 11047 vs 1300
  • Bigger battery: 6000 vs 5000 mAh
  • Faster charging: 90W vs 18W

  • Higher performance (97/100 vs 18/100)
  • Better camera (93/100 vs 37/100)
  • Longer battery life (80/100 vs 43/100)
  • Better display (89/100 vs 55/100)

Comparison verdict

Comparing the Oukitel C18 Pro Max vs the Xiaomi 17 Ultra, the Xiaomi 17 Ultra scores 55 points higher (89/100 vs 34/100). In the "performance" category, the Xiaomi 17 Ultra leads (97/100 vs 18/100). In the "camera" category, the Xiaomi 17 Ultra leads (93/100 vs 37/100). In the "battery" category, the Xiaomi 17 Ultra leads (80/100 vs 43/100). In the "performance" category, the Xiaomi 17 Ultra significantly outperforms the Oukitel C18 Pro Max (97/100 vs 18/100). In the "display" category, the Xiaomi 17 Ultra significantly outperforms the Oukitel C18 Pro Max (89/100 vs 55/100). In the "camera" category, the Xiaomi 17 Ultra significantly outperforms the Oukitel C18 Pro Max (93/100 vs 37/100). In the "battery" category, the Xiaomi 17 Ultra significantly outperforms the Oukitel C18 Pro Max (80/100 vs 43/100). In the "portability" category, the Oukitel C18 Pro Max is a bit better (47/100 vs 40/100).

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.

Specs comparison

Specification Oukitel C18 Pro Max Xiaomi 17 Ultra
Processor Unisoc T615 Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu — 3667711
Geekbench Single 380 3639
Geekbench Multi 1300 11047
Display 6.9" TFT LCD 6.8" LTPO AMOLED
Resolution 720x1560 3200x1440
Refresh rate 120 Hz 120 Hz
Battery 5000 mAh 6000 mAh
Charging 18W 90W
Wireless charging 0W 50W
DXOMark (camera) — 166
Main camera 64 MP 50 MP
Ultrawide 0 MP 50 MP
Telephoto 0 MP 200 MP
Front camera 8 MP 32 MP
RAM 4GB / 6GB 12GB / 16GB
Storage 128GB / 256GB 256GB / 512GB / 1TB
OS Android 16 Android 16
Brightness (peak) — 3500 nits
NFC — yes
Protection — IP68
Dimensions 163.8×78.3×8.8 mm 162.9×77.6×8.3 mm
Weight 205 g 226 g
Launch price — $999

Camera comparison

Oukitel C18 Pro Max

  • Main: 64MP
  • Front: 8MP
37
camera

Xiaomi 17 Ultra

  • Main: 50MP f/1.63
  • Ultrawide: 50MP
  • Telephoto: 200MP
  • Front: 32MP
93
camera

Display comparison

Oukitel C18 Pro Max

  • 6.9" TFT LCD
  • Resolution: 720x1560
  • Refresh rate: 120 Hz
55
display

Xiaomi 17 Ultra

  • 6.8" LTPO AMOLED
  • Resolution: 3200x1440
  • Refresh rate: 120 Hz
89
display

Battery and charging

Oukitel C18 Pro Max

  • 5000 mAh
  • Wired: 18W
  • No wireless charging
43
battery

Xiaomi 17 Ultra

  • 6000 mAh
  • NanoReview test: web browsing 16:09 hrs, total 33:23 hrs
  • Wired: 90W
  • Wireless: 50W
80
battery

Benchmarks

Launch prices and where to check today's

Oukitel C18 Pro Max

Price unknown

Xiaomi 17 Ultra

$999

Detailed category analysis

performance

In the "performance" category, the Xiaomi 17 Ultra significantly outperforms the Oukitel C18 Pro Max (97/100 vs 18/100).

display

In the "display" category, the Xiaomi 17 Ultra significantly outperforms the Oukitel C18 Pro Max (89/100 vs 55/100).

camera

In the "camera" category, the Xiaomi 17 Ultra significantly outperforms the Oukitel C18 Pro Max (93/100 vs 37/100).

battery

In the "battery" category, the Xiaomi 17 Ultra significantly outperforms the Oukitel C18 Pro Max (80/100 vs 43/100).

portability

In the "portability" category, the Oukitel C18 Pro Max is a bit better (47/100 vs 40/100).

Frequently asked questions

Which is better: the Oukitel C18 Pro Max or the Xiaomi 17 Ultra?

The Xiaomi 17 Ultra significantly outperforms the Oukitel C18 Pro Max by 55 points (89/100 vs 34/100).

What is the rating of the Oukitel C18 Pro Max and the Xiaomi 17 Ultra?

The Oukitel C18 Pro Max has a MobileRank rating of 34/100, the Xiaomi 17 Ultra — 89/100.

Which has the better camera: the Oukitel C18 Pro Max or the Xiaomi 17 Ultra?

The Xiaomi 17 Ultra leads on camera score (93/100 vs 37/100).

Which is more powerful: the Oukitel C18 Pro Max or the Xiaomi 17 Ultra?

The Xiaomi 17 Ultra leads on performance (97/100 vs 18/100).

Should you choose the Oukitel C18 Pro Max 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.