vivo X100 Ultra vs Xiaomi 15T
64.4Performance43.5
67.6Display63.7
75.8Camera55.5
75.5Battery76.5
86.7Features100
7 spec wins — vivo X100 Ultra6 spec wins — Xiaomi 15T
InnoReviews verdict
vivo X100 Ultra wins this phone face-off, 71.8 to 62.2, pulling ahead mainly in performance (+21) and camera (+20). Xiaomi 15T 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 performance score: 64 vs 44
- Stronger display score: 68 vs 64
- Stronger camera score: 76 vs 56
- 317% higher ultra-wide: 50 MP vs 12 MP
- 300% higher telephoto: 200 MP vs 50 MP
Reasons to pick the Xiaomi 15T
- Stronger features score: 100 vs 87
- 19% lower thickness: 7.5 mm vs 9.2 mm
- 16% higher Active use endurance: 14.9 h vs 12.9 h
- 15% lower weight: 194 g vs 229 g
- Has eSIM — the other doesn't
Display
| Spec | vivo X100 Ultra | Xiaomi 15T |
|---|---|---|
| Screen size | 6.78 ″ | 6.83 ″+1% |
| Panel type | LTPO AMOLED | AMOLED |
| Resolution | 1440x3200 | 1280x2772 |
| Pixel density | 517 ppi+16% | 447 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 15T |
|---|---|---|
| Chipset | Qualcomm Snapdragon 8 Gen 3 | MediaTek Dimensity 8400-Ultra |
| Geekbench 6 (single) | — | 1,632Top 42% |
| Geekbench 6 (multi) | — | 6,505Top 28% |
| RAM (max) | 16 GB+33% | 12 GB |
| Storage options | 256/512GB/1TB | 256/512GB |
| Storage type | UFS 4.0 | UFS 4.1 |
Camera
| Spec | vivo X100 Ultra | Xiaomi 15T |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.75 | f/1.7 |
| Ultra-wide | 50 MP+317% | 12 MP |
| Telephoto | 200 MP+300% | 50 MP |
| Optical zoom | 3.7 x+85% | 2 x |
| Max video | 8K@30fps | 4K@60fps |
| Front camera | 50 MP+56% | 32 MP |
| OIS | Yes | Yes |
Battery
| Spec | vivo X100 Ultra | Xiaomi 15T |
|---|---|---|
| Capacity | 5,500 mAh | 5,500 mAh |
| Wired charging | 80 W+19% | 67 W |
| Wireless charging | 30 W | — |
| Active use endurance | 12.9 h | 14.9 h+16% |
Design
| Spec | vivo X100 Ultra | Xiaomi 15T |
|---|---|---|
| Weight | 229 g | 194 g+15% |
| Thickness | 9.2 mm | 7.5 mm+19% |
| IP rating | IP68/IP69 | IP68 |
| Frame material | Aluminum | Plastic |
Connectivity
| Spec | vivo X100 Ultra | Xiaomi 15T |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6E |
| Bluetooth | 5.4 | 6.0 |
| NFC | Yes | Yes |
| USB | USB-C 3.2 | USB-C |
| eSIM | No | Yes |
Software
| Spec | vivo X100 Ultra | Xiaomi 15T |
|---|---|---|
| OS at launch | Android 14 (OriginOS 4) | Android 15 (HyperOS 2) |
Audio
| Spec | vivo X100 Ultra | Xiaomi 15T |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |