ASUS Zenfone 5z ZS620KL vs Xiaomi 17 Ultra (China)

The ASUS Zenfone 5z ZS620KL (2018) runs on the Qualcomm Snapdragon 845, 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 31/100 (a 56-point difference). Key differences: the Xiaomi 17 Ultra (China) has the bigger battery (6800 mAh vs 3300); the main camera is 12 MP vs 50 MP; the Xiaomi 17 Ultra (China) is faster in AnTuTu (3,950,082 vs 572,788); the ASUS Zenfone 5z ZS620KL is noticeably lighter (165g vs 224g).

The Xiaomi 17 Ultra (China) significantly outperforms the ASUS Zenfone 5z ZS620KL by 56 points (87/100 vs 31/100).

Profile comparison

Category scores

ASUS Zenfone 5z ZS620KL

Performance 41
Display 43
Camera 13
Battery 12
Portability 81
Value for money —

Xiaomi 17 Ultra (China)

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

What makes ASUS Zenfone 5z ZS620KL better?

  • Lighter: 165g vs 224g

  • Better portability (81/100 vs 42/100)

What makes Xiaomi 17 Ultra (China) better?

  • Higher AnTuTu: 3950082 vs 572788
  • Better Geekbench Single: 3639 vs 566
  • Better Geekbench Multi: 11047 vs 2130
  • Bigger battery: 6800 vs 3300 mAh
  • Better main camera: 50MP vs 12MP
  • Higher refresh rate: 120Hz vs 60Hz

  • Higher performance (98/100 vs 41/100)
  • Better camera (87/100 vs 13/100)
  • Longer battery life (83/100 vs 12/100)
  • Better display (81/100 vs 43/100)

Comparison verdict

Comparing the ASUS Zenfone 5z ZS620KL vs the Xiaomi 17 Ultra (China), the Xiaomi 17 Ultra (China) scores 56 points higher (87/100 vs 31/100). In the "performance" category, the Xiaomi 17 Ultra (China) leads (98/100 vs 41/100). In the "camera" category, the Xiaomi 17 Ultra (China) leads (87/100 vs 13/100). In the "battery" category, the Xiaomi 17 Ultra (China) leads (83/100 vs 12/100). In the "performance" category, the Xiaomi 17 Ultra (China) significantly outperforms the ASUS Zenfone 5z ZS620KL (98/100 vs 41/100). In the "display" category, the Xiaomi 17 Ultra (China) significantly outperforms the ASUS Zenfone 5z ZS620KL (81/100 vs 43/100). In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the ASUS Zenfone 5z ZS620KL (87/100 vs 13/100). In the "battery" category, the Xiaomi 17 Ultra (China) significantly outperforms the ASUS Zenfone 5z ZS620KL (83/100 vs 12/100). In the "portability" category, the ASUS Zenfone 5z ZS620KL significantly outperforms the Xiaomi 17 Ultra (China) (81/100 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 ASUS Zenfone 5z ZS620KL Xiaomi 17 Ultra (China)
Processor Qualcomm Snapdragon 845 Snapdragon 8 Elite Gen 5
AnTuTu 572788 3950082
Geekbench Single 566 3639
Geekbench Multi 2130 11047
Display 6.2" IPS LCD 6.9" LTPO AMOLED
Resolution 1080x2246 1200x2608
Refresh rate 60 Hz 120 Hz
Battery 3300 mAh 6800 mAh
Charging — 90W
Wireless charging 0W 50W
Main camera 12 MP 50 MP
Ultrawide 8 MP 50 MP
Telephoto 0 MP 200 MP
Front camera 8 MP 50 MP
RAM 4GB / 6GB / 8GB 12GB / 16GB
Storage 64GB / 128GB / 256GB 512GB / 1TB
OS Android 8.0 Oreo Android 16
NFC yes yes
Protection — IP68/IP69
Dimensions 153.0×75.7×7.9 mm 162.9×77.6×8.3 mm
Weight 165 g 224 g
Launch price — $892

Camera comparison

ASUS Zenfone 5z ZS620KL

  • Main: 12MP f/1.8
  • Ultrawide: 8MP
  • Front: 8MP
13
camera

Xiaomi 17 Ultra (China)

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

Display comparison

ASUS Zenfone 5z ZS620KL

  • 6.2" IPS LCD
  • Resolution: 1080x2246
  • Refresh rate: 60 Hz
43
display

Xiaomi 17 Ultra (China)

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

Battery and charging

ASUS Zenfone 5z ZS620KL

  • 3300 mAh
  • No wireless charging
12
battery

Xiaomi 17 Ultra (China)

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

Overall performance score

We compared ASUS Zenfone 5z ZS620KL and Xiaomi 17 Ultra (China), covering their specs and all relevant benchmarks.

ASUS Zenfone 5z ZS620KL Qualcomm Snapdragon 845
31/100
572788 AnTuTu
Xiaomi 17 Ultra (China) Snapdragon 8 Elite Gen 5
87/100 +85.5%
3950082 AnTuTu

Xiaomi 17 Ultra (China) leads ASUS Zenfone 5z ZS620KL by 85.5% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

ASUS Zenfone 5z ZS620KL

Price unknown

Xiaomi 17 Ultra (China)

$892

Detailed category analysis

performance

In the "performance" category, the Xiaomi 17 Ultra (China) significantly outperforms the ASUS Zenfone 5z ZS620KL (98/100 vs 41/100).

display

In the "display" category, the Xiaomi 17 Ultra (China) significantly outperforms the ASUS Zenfone 5z ZS620KL (81/100 vs 43/100).

camera

In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the ASUS Zenfone 5z ZS620KL (87/100 vs 13/100).

battery

In the "battery" category, the Xiaomi 17 Ultra (China) significantly outperforms the ASUS Zenfone 5z ZS620KL (83/100 vs 12/100).

portability

In the "portability" category, the ASUS Zenfone 5z ZS620KL significantly outperforms the Xiaomi 17 Ultra (China) (81/100 vs 42/100).

Frequently asked questions

Which is better: the ASUS Zenfone 5z ZS620KL or the Xiaomi 17 Ultra (China)?

The Xiaomi 17 Ultra (China) significantly outperforms the ASUS Zenfone 5z ZS620KL by 56 points (87/100 vs 31/100).

What is the rating of the ASUS Zenfone 5z ZS620KL and the Xiaomi 17 Ultra (China)?

The ASUS Zenfone 5z ZS620KL has a MobileRank rating of 31/100, the Xiaomi 17 Ultra (China) — 87/100.

Which has the better camera: the ASUS Zenfone 5z ZS620KL or the Xiaomi 17 Ultra (China)?

The Xiaomi 17 Ultra (China) leads on camera score (87/100 vs 13/100).

Which is more powerful: the ASUS Zenfone 5z ZS620KL or the Xiaomi 17 Ultra (China)?

The Xiaomi 17 Ultra (China) leads on performance (98/100 vs 41/100).

Should you choose the ASUS Zenfone 5z ZS620KL 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.