ASUS Zenfone 5z ZS620KL vs Xiaomi 17 Ultra
The ASUS Zenfone 5z ZS620KL (2018) runs on the Qualcomm Snapdragon 845, 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 31/100 (a 58-point difference). Key differences: the Xiaomi 17 Ultra has the bigger battery (6000 mAh vs 3300); the main camera is 12 MP vs 50 MP; the Xiaomi 17 Ultra is faster in AnTuTu (3,667,711 vs 572,788); the ASUS Zenfone 5z ZS620KL is noticeably lighter (165g vs 226g).
Profile comparison
Category scores
ASUS Zenfone 5z ZS620KL
Xiaomi 17 Ultra
What makes ASUS Zenfone 5z ZS620KL better?
- Lighter: 165g vs 226g
- Better portability (81/100 vs 40/100)
What makes Xiaomi 17 Ultra better?
- Higher AnTuTu: 3667711 vs 572788
- Better Geekbench Single: 3639 vs 566
- Better Geekbench Multi: 11047 vs 2130
- Bigger battery: 6000 vs 3300 mAh
- Better main camera: 50MP vs 12MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (97/100 vs 41/100)
- Better camera (93/100 vs 13/100)
- Longer battery life (80/100 vs 12/100)
- Better display (89/100 vs 43/100)
Comparison verdict
Comparing the ASUS Zenfone 5z ZS620KL vs the Xiaomi 17 Ultra, the Xiaomi 17 Ultra scores 58 points higher (89/100 vs 31/100). In the "performance" category, the Xiaomi 17 Ultra leads (97/100 vs 41/100). In the "camera" category, the Xiaomi 17 Ultra leads (93/100 vs 13/100). In the "battery" category, the Xiaomi 17 Ultra leads (80/100 vs 12/100). In the "performance" category, the Xiaomi 17 Ultra significantly outperforms the ASUS Zenfone 5z ZS620KL (97/100 vs 41/100). In the "display" category, the Xiaomi 17 Ultra significantly outperforms the ASUS Zenfone 5z ZS620KL (89/100 vs 43/100). In the "camera" category, the Xiaomi 17 Ultra significantly outperforms the ASUS Zenfone 5z ZS620KL (93/100 vs 13/100). In the "battery" category, the Xiaomi 17 Ultra significantly outperforms the ASUS Zenfone 5z ZS620KL (80/100 vs 12/100). In the "portability" category, the ASUS Zenfone 5z ZS620KL significantly outperforms the Xiaomi 17 Ultra (81/100 vs 40/100).
Specs comparison
| Specification | ASUS Zenfone 5z ZS620KL | Xiaomi 17 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 845 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 572788 | 3667711 | |
| Geekbench Single | 566 | 3639 | |
| Geekbench Multi | 2130 | 11047 | |
| Display | 6.2" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 1080x2246 | 3200x1440 | |
| Refresh rate | 60 Hz | 120 Hz | |
| Battery | 3300 mAh | 6000 mAh | |
| Charging | — | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 166 | |
| Main camera | 12 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 4GB / 6GB / 8GB | 12GB / 16GB | |
| Storage | 64GB / 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 8.0 Oreo | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 153.0×75.7×7.9 mm | 162.9×77.6×8.3 mm | |
| Weight | 165 g | 226 g | |
| Launch price | — | $999 |
Camera comparison
ASUS Zenfone 5z ZS620KL
- Main: 12MP f/1.8
- Ultrawide: 8MP
- Front: 8MP
Xiaomi 17 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
ASUS Zenfone 5z ZS620KL
- 6.2" IPS LCD
- Resolution: 1080x2246
- Refresh rate: 60 Hz
Xiaomi 17 Ultra
- 6.8" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
ASUS Zenfone 5z ZS620KL
- 3300 mAh
- 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 ASUS Zenfone 5z ZS620KL and Xiaomi 17 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra leads ASUS Zenfone 5z ZS620KL by 84.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
ASUS Zenfone 5z ZS620KL
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 17 Ultra significantly outperforms the ASUS Zenfone 5z ZS620KL (97/100 vs 41/100).
display
In the "display" category, the Xiaomi 17 Ultra significantly outperforms the ASUS Zenfone 5z ZS620KL (89/100 vs 43/100).
camera
In the "camera" category, the Xiaomi 17 Ultra significantly outperforms the ASUS Zenfone 5z ZS620KL (93/100 vs 13/100).
battery
In the "battery" category, the Xiaomi 17 Ultra significantly outperforms the ASUS Zenfone 5z ZS620KL (80/100 vs 12/100).
portability
In the "portability" category, the ASUS Zenfone 5z ZS620KL significantly outperforms the Xiaomi 17 Ultra (81/100 vs 40/100).
Frequently asked questions
Which is better: the ASUS Zenfone 5z ZS620KL or the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra significantly outperforms the ASUS Zenfone 5z ZS620KL by 58 points (89/100 vs 31/100).
What is the rating of the ASUS Zenfone 5z ZS620KL and the Xiaomi 17 Ultra?
The ASUS Zenfone 5z ZS620KL has a MobileRank rating of 31/100, the Xiaomi 17 Ultra — 89/100.
Which has the better camera: the ASUS Zenfone 5z ZS620KL or the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra leads on camera score (93/100 vs 13/100).
Which is more powerful: the ASUS Zenfone 5z ZS620KL or the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra leads on performance (97/100 vs 41/100).
Should you choose the ASUS Zenfone 5z ZS620KL 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.