ASUS Zenfone 9 vs Samsung Galaxy S25 Ultra
45.8Performance80
49.3Display66.7
42.6Camera74
39.8Battery65.8
60Features94.7
2 spec wins — ASUS Zenfone 914 spec wins — Samsung Galaxy S25 Ultra
InnoReviews verdict
Samsung Galaxy S25 Ultra wins this phone face-off, 74.8 to 46.1, pulling ahead mainly in features (+35) and performance (+34). ASUS Zenfone 9 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the ASUS Zenfone 9
- 22% lower weight: 169 g vs 218 g
- Has 3.5mm jack — the other doesn't
- Lower launch price: $699 vs $1,300
Reasons to pick the Samsung Galaxy S25 Ultra
- Stronger performance score: 80 vs 46
- Stronger display score: 67 vs 49
- Stronger camera score: 74 vs 43
- Stronger battery score: 66 vs 40
- Stronger features score: 95 vs 60
Display
| Spec | ASUS Zenfone 9 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Screen size | 5.9 ″ | 6.9 ″+17% |
| Panel type | AMOLED | Dynamic LTPO AMOLED 2X |
| Resolution | 2400x1080 | 1440x3120 |
| Pixel density | 445 ppi | 498 ppi+12% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,100 nits | 2,600 nits+136% |
| Screen-to-body | — | 92.5 % |
| AnTuTu 10 (CPU) | — | 895,141Top 10% |
| AnTuTu 10 (GPU) | — | 989,555Top 13% |
| AnTuTu 10 (Memory) | — | 348,188Top 19% |
| AnTuTu 10 (UX) | — | 555,097Top 13% |
Performance
| Spec | ASUS Zenfone 9 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Chipset | Snapdragon 8+ Gen 1 | Snapdragon 8 Elite for Galaxy |
| AnTuTu 10 | 1,300,000Top 31% | 2,787,981+114%Top 4% |
| Geekbench 6 (single) | 1,800Top 40% | 3,030+68%Top 8% |
| Geekbench 6 (multi) | 4,600Top 40% | 9,800+113%Top 3% |
| RAM (max) | 8 GB | 16 GB+100% |
| Storage options | 128GB / 256GB | 256/512GB/1TB |
| Storage type | UFS 3.1 | UFS 4.0 |
Camera
| Spec | ASUS Zenfone 9 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Main camera | 50 MP | 200 MP+300% |
| Main aperture | f/1.9 | f/1.7 |
| Ultra-wide | 12 MP | 50 MP+317% |
| Telephoto | — | 50 MP |
| Optical zoom | — | 5 x |
| Max video | 8K@24fps | 8K@30fps |
| Front camera | 12 MP | 12 MP |
| OIS | Yes | Yes |
Battery
| Spec | ASUS Zenfone 9 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Capacity | 4,300 mAh | 5,000 mAh+16% |
| Wired charging | 30 W | 45 W+50% |
| Wireless charging | — | 15 W |
| Active use endurance | — | 13 h |
Design
| Spec | ASUS Zenfone 9 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Weight | 169 g+22% | 218 g |
| Thickness | 9.1 mm | 8.2 mm+10% |
| IP rating | IP68 | IP68 |
| Frame material | Aluminum | Titanium |
Connectivity
| Spec | ASUS Zenfone 9 | Samsung Galaxy S25 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6E | Wi-Fi 7 |
| Bluetooth | 5.2 | 5.4 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | ASUS Zenfone 9 | Samsung Galaxy S25 Ultra |
|---|---|---|
| OS at launch | Android 12 (ZenUI) | Android 15 (One UI 7) |
| OS update pledge | 2 years | 7 years+250% |
Audio
| Spec | ASUS Zenfone 9 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | Yes | No |
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