vivo X100 Ultra vs Xiaomi 15 Ultra
64.4Performance79.1
67.6Display69.1
75.8Camera73.2
75.5Battery79
86.7Features78.7
5 spec wins — vivo X100 Ultra8 spec wins — Xiaomi 15 Ultra
InnoReviews verdict
Xiaomi 15 Ultra wins this phone face-off, 75.9 to 71.8, pulling ahead mainly in performance (+15) and battery (+4). vivo X100 Ultra still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the vivo X100 Ultra
- Stronger features score: 87 vs 79
- 56% higher Front camera: 50 MP vs 32 MP
Reasons to pick the Xiaomi 15 Ultra
- Stronger performance score: 79 vs 64
- Stronger battery score: 79 vs 76
- 167% higher Wireless charging: 80 W vs 30 W
- 16% higher Optical zoom: 4.3 x vs 3.7 x
- 13% higher Wired charging: 90 W vs 80 W
Display
| Spec | vivo X100 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| Screen size | 6.78 ″+1% | 6.73 ″ |
| Panel type | LTPO AMOLED | LTPO AMOLED |
| Resolution | 1440x3200 | 1440x3200 |
| Pixel density | 517 ppi | 522 ppi+1% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,000 nits | 3,200 nits+7% |
| Screen-to-body | 89.8 % | 90 % |
Performance
| Spec | vivo X100 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| Chipset | Qualcomm Snapdragon 8 Gen 3 | Snapdragon 8 Elite |
| AnTuTu | — | 2,650,000 |
| Geekbench 6 (single) | — | 3,050Top 12% |
| Geekbench 6 (multi) | — | 9,600Top 11% |
| RAM (max) | 16 GB | 16 GB |
| Storage options | 256/512GB/1TB | 256/512GB/1TB |
| Storage type | UFS 4.0 | UFS 4.1 |
Camera
| Spec | vivo X100 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.75 | f/1.63 |
| Ultra-wide | 50 MP | 50 MP |
| Telephoto | 200 MP | 200 MP |
| Optical zoom | 3.7 x | 4.3 x+16% |
| Max video | 8K@30fps | 8K@30fps |
| Front camera | 50 MP+56% | 32 MP |
| OIS | Yes | Yes |
Battery
| Spec | vivo X100 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| Capacity | 5,500 mAh+2% | 5,410 mAh |
| Wired charging | 80 W | 90 W+13% |
| Wireless charging | 30 W | 80 W+167% |
| Active use endurance | 12.9 h+8% | 12 h |
Design
| Spec | vivo X100 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| Weight | 229 g | 226 g+1% |
| Thickness | 9.2 mm+1% | 9.4 mm |
| IP rating | IP68/IP69 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | vivo X100 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 6.0 |
| NFC | Yes | Yes |
| USB | USB-C 3.2 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | vivo X100 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| OS at launch | Android 14 (OriginOS 4) | Android 15 (HyperOS 2) |
| OS update pledge | — | 4 years |
Audio
| Spec | vivo X100 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |