vivo X100 Ultra vs Xiaomi 15
64.4Performance76.7
67.6Display64.5
75.8Camera64.7
75.5Battery83.5
86.7Features78.7
7 spec wins — vivo X100 Ultra7 spec wins — Xiaomi 15
InnoReviews verdict
Xiaomi 15 wins this phone face-off, 73.4 to 71.8, pulling ahead mainly in performance (+12) and battery (+8). 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 display score: 68 vs 65
- Stronger camera score: 76 vs 65
- Stronger features score: 87 vs 79
- 300% higher telephoto: 200 MP vs 50 MP
- 56% higher Front camera: 50 MP vs 32 MP
Reasons to pick the Xiaomi 15
- Stronger performance score: 77 vs 64
- Stronger battery score: 84 vs 76
- 67% higher Wireless charging: 50 W vs 30 W
- 28% higher Active use endurance: 16.5 h vs 12.9 h
- 17% lower weight: 191 g vs 229 g
Display
| Spec | vivo X100 Ultra | Xiaomi 15 |
|---|---|---|
| Screen size | 6.78 ″+7% | 6.36 ″ |
| Panel type | LTPO AMOLED | LTPO AMOLED |
| Resolution | 1440x3200 | 1200x2670 |
| Pixel density | 517 ppi+12% | 460 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,000 nits | 3,200 nits+7% |
| Screen-to-body | 89.8 % | — |
Performance
| Spec | vivo X100 Ultra | Xiaomi 15 |
|---|---|---|
| Chipset | Qualcomm Snapdragon 8 Gen 3 | Snapdragon 8 Elite |
| AnTuTu | — | 2,914,100Top 17% |
| AnTuTu 11 (CPU) | — | 874,340Top 14% |
| AnTuTu 11 (GPU) | — | 1,069,991Top 17% |
| AnTuTu 11 (Memory) | — | 379,667Top 20% |
| AnTuTu 11 (UX) | — | 590,102Top 20% |
| Geekbench 6 (single) | — | 2,972Top 15% |
| Geekbench 6 (multi) | — | 9,330Top 12% |
| Wild Life Extreme stability | — | 89 %Top 50% |
| RAM (max) | 16 GB+33% | 12 GB |
| Storage options | 256/512GB/1TB | 256/512GB |
| Storage type | UFS 4.0 | UFS 4.0 |
Camera
| Spec | vivo X100 Ultra | Xiaomi 15 |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.75 | f/1.62 |
| Ultra-wide | 50 MP | 50 MP |
| Telephoto | 200 MP+300% | 50 MP |
| Optical zoom | 3.7 x+42% | 2.6 x |
| Max video | 8K@30fps | 8K@30fps |
| Front camera | 50 MP+56% | 32 MP |
| OIS | Yes | Yes |
Battery
| Spec | vivo X100 Ultra | Xiaomi 15 |
|---|---|---|
| Capacity | 5,500 mAh+5% | 5,240 mAh |
| Wired charging | 80 W | 90 W+13% |
| Wireless charging | 30 W | 50 W+67% |
| Active use endurance | 12.9 h | 16.5 h+28% |
Design
| Spec | vivo X100 Ultra | Xiaomi 15 |
|---|---|---|
| Weight | 229 g | 191 g+17% |
| Thickness | 9.2 mm | 8.1 mm+12% |
| IP rating | IP68/IP69 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | vivo X100 Ultra | Xiaomi 15 |
|---|---|---|
| 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 |
|---|---|---|
| OS at launch | Android 14 (OriginOS 4) | Android 15 (HyperOS 2) |
| OS update pledge | — | 4 years |
Audio
| Spec | vivo X100 Ultra | Xiaomi 15 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |