ASUS Zenfone 6 ZS630KL vs Xiaomi Mi 9
The ASUS Zenfone 6 ZS630KL (2019) runs on the Qualcomm Snapdragon 855, while the Xiaomi Mi 9 (2019) runs on the Qualcomm Snapdragon 855; launch prices were $499 and $400. Both devices score the same overall rating of 47/100. Key differences: the ASUS Zenfone 6 ZS630KL has the bigger battery (5000 mAh vs 3300); the Xiaomi Mi 9 is noticeably lighter (173g vs 190g).
Profile comparison
Category scores
ASUS Zenfone 6 ZS630KL
Xiaomi Mi 9
What makes ASUS Zenfone 6 ZS630KL better?
- Bigger battery: 5000 vs 3300 mAh
- Longer battery life (43/100 vs 22/100)
What makes Xiaomi Mi 9 better?
- Faster charging: 27W vs 18W
- Lighter: 173g vs 190g
- Cheaper at launch: $400 vs $499
- Better display (56/100 vs 43/100)
- Better portability (79/100 vs 52/100)
Comparison verdict
The ASUS Zenfone 6 ZS630KL and the Xiaomi Mi 9 received the same MobileRank rating — 47/100. In the "battery" category, the ASUS Zenfone 6 ZS630KL leads (43/100 vs 22/100). Value score: ASUS Zenfone 6 ZS630KL — 16/100, Xiaomi Mi 9 — 22/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, both devices are on the same level — 54/100. In the "display" category, the Xiaomi Mi 9 is a bit better (56/100 vs 43/100). In the "camera" category, both devices are on the same level — 44/100. In the "battery" category, the ASUS Zenfone 6 ZS630KL notably outperforms the Xiaomi Mi 9 (43/100 vs 22/100). In the "portability" category, the Xiaomi Mi 9 notably outperforms the ASUS Zenfone 6 ZS630KL (79/100 vs 52/100).
Specs comparison
| Specification | ASUS Zenfone 6 ZS630KL | Xiaomi Mi 9 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 855 | |
| AnTuTu | 824513 | 824513 | |
| Geekbench Single | 968 | 968 | |
| Geekbench Multi | 2731 | 2731 | |
| Display | 6.4" IPS LCD | 6.4" AMOLED | |
| Resolution | 1080x2340 | 2340x1080 | |
| Refresh rate | 60 Hz | 60 Hz | |
| Battery | 5000 mAh | 3300 mAh | |
| Charging | 18W | 27W | |
| Wireless charging | 0W | 20W | |
| Main camera | 48 MP | 48 MP | |
| Ultrawide | 13 MP | 16 MP | |
| Telephoto | 0 MP | 12 MP | |
| Front camera | 48 MP | 20 MP | |
| RAM | 6GB / 8GB / 12GB | 6GB / 8GB | |
| Storage | 64GB / 128GB / 256GB / 512GB | 64GB / 128GB | |
| OS | Android 9.0 / ZenUI | Android 9 | |
| NFC | yes | yes | |
| Dimensions | 159.1×75.4×9.2 mm | 157.5×74.7×7.6 mm | |
| Weight | 190 g | 173 g | |
| Launch price | $499 | $400 |
Camera comparison
ASUS Zenfone 6 ZS630KL
- Main: 48MP f/1.8
- Ultrawide: 13MP
- Front: 48MP
Xiaomi Mi 9
- Main: 48MP f/1.75
- Ultrawide: 16MP
- Telephoto: 12MP
- Front: 20MP
Display comparison
ASUS Zenfone 6 ZS630KL
- 6.4" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 60 Hz
Xiaomi Mi 9
- 6.4" AMOLED
- Resolution: 2340x1080
- Refresh rate: 60 Hz
Battery and charging
ASUS Zenfone 6 ZS630KL
- 5000 mAh
- Wired: 18W
- No wireless charging
Xiaomi Mi 9
- 3300 mAh
- Wired: 27W
- Wireless: 20W
Overall performance score
We compared ASUS Zenfone 6 ZS630KL and Xiaomi Mi 9, covering their specs and all relevant benchmarks.
Equal performance based on benchmark results.
Benchmarks
Launch prices and where to check today's
Launch price difference: $99. Xiaomi Mi 9 was $99 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, both devices are on the same level — 54/100.
display
In the "display" category, the Xiaomi Mi 9 is a bit better (56/100 vs 43/100).
camera
In the "camera" category, both devices are on the same level — 44/100.
battery
In the "battery" category, the ASUS Zenfone 6 ZS630KL notably outperforms the Xiaomi Mi 9 (43/100 vs 22/100).
portability
In the "portability" category, the Xiaomi Mi 9 notably outperforms the ASUS Zenfone 6 ZS630KL (79/100 vs 52/100).
Frequently asked questions
Which is better: the ASUS Zenfone 6 ZS630KL or the Xiaomi Mi 9?
Both devices scored 47/100. They are identical on performance — 54/100 for both. The clearest difference is portability: better on the Xiaomi Mi 9 (79/100 vs 52/100).
What is the rating of the ASUS Zenfone 6 ZS630KL and the Xiaomi Mi 9?
The ASUS Zenfone 6 ZS630KL has a MobileRank rating of 47/100, the Xiaomi Mi 9 — 47/100.
Should you choose the ASUS Zenfone 6 ZS630KL over the Xiaomi Mi 9?
Neither model stands out enough to recommend it for a specific use case: the clearest difference is portability — better on the Xiaomi Mi 9 (79/100 vs 52/100).