ASUS Asus Zenfone 6 ZS630KL vs Xiaomi 15 Ultra
The ASUS Asus Zenfone 6 ZS630KL (2019) runs on the Qualcomm Snapdragon 855, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 48/100 (a 37-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 5000); the main camera is 48 MP vs 50 MP; the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 824,513); the ASUS Asus Zenfone 6 ZS630KL is noticeably lighter (190g vs 225g).
ASUS Asus Zenfone 6 ZS630KL
Xiaomi 15 Ultra
- Lighter: 190g vs 225g
- Better portability (52/100 vs 29/100)
- Higher AnTuTu: 3030376 vs 824513
- Better Geekbench Single: 3050 vs 968
- Better Geekbench Multi: 10200 vs 2731
- Bigger battery: 6000 vs 5000 mAh
- Faster charging: 90W vs 18W
- Better main camera: 50MP vs 48MP
- Higher performance (92/100 vs 54/100)
- Better camera (87/100 vs 36/100)
- Longer battery life (80/100 vs 43/100)
- Better display (90/100 vs 58/100)
Comparing the ASUS Asus Zenfone 6 ZS630KL vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 37 points higher (85/100 vs 48/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 54/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 36/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 43/100). In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the ASUS Asus Zenfone 6 ZS630KL (92/100 vs 54/100). In the "display" category, the Xiaomi 15 Ultra significantly outperforms the ASUS Asus Zenfone 6 ZS630KL (90/100 vs 58/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the ASUS Asus Zenfone 6 ZS630KL (87/100 vs 36/100). In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the ASUS Asus Zenfone 6 ZS630KL (80/100 vs 43/100). In the "portability" category, the ASUS Asus Zenfone 6 ZS630KL notably outperforms the Xiaomi 15 Ultra (52/100 vs 29/100).
| Specification | ASUS Asus Zenfone 6 ZS630KL | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 824513 | 3030376 | |
| Geekbench Single | 968 | 3050 | |
| Geekbench Multi | 2731 | 10200 | |
| Display | 6.4" IPS LCD | 6.7" LTPO AMOLED | |
| Resolution | 1080x2340 | 3200x1440 | |
| Refresh rate | — | 120 Hz | |
| Battery | 5000 mAh | 6000 mAh | |
| Charging | 18W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | — | 32 MP | |
| RAM | 6GB / 8GB | 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 (Pie), ZenUI 6 | Android 15 / HyperOS 2 | |
| Brightness (peak) | — | 3200 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 159.1×75.4×9.2 mm | 161.3×75.3×9.4 mm | |
| Weight | 190 g | 225 g | |
| Launch price | — | $999 |
ASUS Asus Zenfone 6 ZS630KL
- Main: 48MP f/f/1.8
- Ultrawide: 13MP
- Front: —
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
ASUS Asus Zenfone 6 ZS630KL
- 6.4" IPS LCD
- Resolution: 1080x2340
- Refresh rate: —
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
ASUS Asus Zenfone 6 ZS630KL
- 5000 mAh
- Wired: 18W
- No wireless charging
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
We compared ASUS Asus Zenfone 6 ZS630KL and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads ASUS Asus Zenfone 6 ZS630KL by 72.8% in our overall performance rating.
ASUS Asus Zenfone 6 ZS630KL
Price unknownperformance
In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the ASUS Asus Zenfone 6 ZS630KL (92/100 vs 54/100).
display
In the "display" category, the Xiaomi 15 Ultra significantly outperforms the ASUS Asus Zenfone 6 ZS630KL (90/100 vs 58/100).
camera
In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the ASUS Asus Zenfone 6 ZS630KL (87/100 vs 36/100).
battery
In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the ASUS Asus Zenfone 6 ZS630KL (80/100 vs 43/100).
portability
In the "portability" category, the ASUS Asus Zenfone 6 ZS630KL notably outperforms the Xiaomi 15 Ultra (52/100 vs 29/100).
Which is better: the ASUS Asus Zenfone 6 ZS630KL or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra significantly outperforms the ASUS Asus Zenfone 6 ZS630KL by 37 points (85/100 vs 48/100).
What is the rating of the ASUS Asus Zenfone 6 ZS630KL and the Xiaomi 15 Ultra?
The ASUS Asus Zenfone 6 ZS630KL has a MobileRank rating of 48/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the ASUS Asus Zenfone 6 ZS630KL or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 36/100).
Which is more powerful: the ASUS Asus Zenfone 6 ZS630KL or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 54/100).
Should you choose the ASUS Asus Zenfone 6 ZS630KL over the Xiaomi 15 Ultra?
The ASUS Asus Zenfone 6 ZS630KL is a better fit for everyday use. The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.