ASUS Zenfone 6 ZS630KL vs Samsung Galaxy S25 Ultra
The ASUS Zenfone 6 ZS630KL (2019) runs on the Qualcomm Snapdragon 855, while the Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $499 and $1299. By overall MobileRank rating, the Samsung Galaxy S25 Ultra leads — 80/100 vs 47/100 (a 33-point difference). Key differences: the main camera is 48 MP vs 200 MP; the Samsung Galaxy S25 Ultra is faster in AnTuTu (3,128,552 vs 824,513); the ASUS Zenfone 6 ZS630KL is noticeably lighter (190g vs 218g).
Profile comparison
Category scores
ASUS Zenfone 6 ZS630KL
Samsung Galaxy S25 Ultra
What makes ASUS Zenfone 6 ZS630KL better?
- Lighter: 190g vs 218g
- Cheaper at launch: $499 vs $1299
- Better portability (52/100 vs 46/100)
What makes Samsung Galaxy S25 Ultra better?
- Higher AnTuTu: 3128552 vs 824513
- Better Geekbench Single: 3100 vs 968
- Better Geekbench Multi: 9760 vs 2731
- Faster charging: 45W vs 18W
- Better main camera: 200MP vs 48MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (92/100 vs 54/100)
- Better camera (81/100 vs 44/100)
- Longer battery life (56/100 vs 43/100)
- Better display (88/100 vs 43/100)
Comparison verdict
Comparing the ASUS Zenfone 6 ZS630KL vs the Samsung Galaxy S25 Ultra, the Samsung Galaxy S25 Ultra scores 33 points higher (80/100 vs 47/100). In the "performance" category, the Samsung Galaxy S25 Ultra leads (92/100 vs 54/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 44/100). In the "battery" category, the Samsung Galaxy S25 Ultra leads (56/100 vs 43/100). Value score: ASUS Zenfone 6 ZS630KL — 16/100, Samsung Galaxy S25 Ultra — 70/100; 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, the Samsung Galaxy S25 Ultra significantly outperforms the ASUS Zenfone 6 ZS630KL (92/100 vs 54/100). In the "display" category, the Samsung Galaxy S25 Ultra significantly outperforms the ASUS Zenfone 6 ZS630KL (88/100 vs 43/100). In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the ASUS Zenfone 6 ZS630KL (81/100 vs 44/100). In the "battery" category, the Samsung Galaxy S25 Ultra is a bit better (56/100 vs 43/100). In the "portability" category, the ASUS Zenfone 6 ZS630KL is a bit better (52/100 vs 46/100).
Specs comparison
| Specification | ASUS Zenfone 6 ZS630KL | Samsung Galaxy S25 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 824513 | 3128552 | |
| Geekbench Single | 968 | 3100 | |
| Geekbench Multi | 2731 | 9760 | |
| Display | 6.4" IPS LCD | 6.9" Dynamic AMOLED 2X | |
| Resolution | 1080x2340 | 3120x1440 | |
| Refresh rate | 60 Hz | 120 Hz | |
| Battery | 5000 mAh | 5000 mAh | |
| Charging | 18W | 45W | |
| Wireless charging | 0W | 15W | |
| DXOMark (camera) | — | 151 | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 48 MP | 12 MP | |
| RAM | 6GB / 8GB / 12GB | 12GB / 16GB | |
| Storage | 64GB / 128GB / 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 / ZenUI | Android 15 / One UI 7 | |
| Brightness (peak) | — | 2600 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 159.1×75.4×9.2 mm | 162.8×77.6×8.2 mm | |
| Weight | 190 g | 218 g | |
| Launch price | $499 | $1299 |
Camera comparison
ASUS Zenfone 6 ZS630KL
- Main: 48MP f/1.8
- Ultrawide: 13MP
- Front: 48MP
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Display comparison
ASUS Zenfone 6 ZS630KL
- 6.4" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 60 Hz
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Battery and charging
ASUS Zenfone 6 ZS630KL
- 5000 mAh
- Wired: 18W
- No wireless charging
Samsung Galaxy S25 Ultra
- 5000 mAh
- NanoReview test: web browsing 11:10 hrs, total 28:43 hrs
- Wired: 45W
- Wireless: 15W
Overall performance score
We compared ASUS Zenfone 6 ZS630KL and Samsung Galaxy S25 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy S25 Ultra leads ASUS Zenfone 6 ZS630KL by 73.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $800. ASUS Zenfone 6 ZS630KL was $800 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the ASUS Zenfone 6 ZS630KL (92/100 vs 54/100).
display
In the "display" category, the Samsung Galaxy S25 Ultra significantly outperforms the ASUS Zenfone 6 ZS630KL (88/100 vs 43/100).
camera
In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the ASUS Zenfone 6 ZS630KL (81/100 vs 44/100).
battery
In the "battery" category, the Samsung Galaxy S25 Ultra is a bit better (56/100 vs 43/100).
portability
In the "portability" category, the ASUS Zenfone 6 ZS630KL is a bit better (52/100 vs 46/100).
Frequently asked questions
Which is better: the ASUS Zenfone 6 ZS630KL or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra significantly outperforms the ASUS Zenfone 6 ZS630KL by 33 points (80/100 vs 47/100).
What is the rating of the ASUS Zenfone 6 ZS630KL and the Samsung Galaxy S25 Ultra?
The ASUS Zenfone 6 ZS630KL has a MobileRank rating of 47/100, the Samsung Galaxy S25 Ultra — 80/100.
Which has the better camera: the ASUS Zenfone 6 ZS630KL or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 44/100).
Which is more powerful: the ASUS Zenfone 6 ZS630KL or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on performance (92/100 vs 54/100).
Should you choose the ASUS Zenfone 6 ZS630KL over the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.