Vivo X300s vs Xiaomi 15 Ultra
64.4Performance79.1
78.5Display69.1
78.1Camera73.2
88.7Battery79
84Features78.7
9 spec wins — Vivo X300s4 spec wins — Xiaomi 15 Ultra
InnoReviews verdict
This one is close to a dead heat: Vivo X300s scores 76.8 against 75.9 for Xiaomi 15 Ultra. Pick by the categories that matter to you — Vivo X300s edges ahead in battery and display, or by price.
Which would you pick?
Key differences
Reasons to pick the Vivo X300s
- Stronger display score: 79 vs 69
- Stronger camera score: 78 vs 73
- Stronger battery score: 89 vs 79
- Stronger features score: 84 vs 79
- 300% higher Main camera: 200 MP vs 50 MP
Reasons to pick the Xiaomi 15 Ultra
- Stronger performance score: 79 vs 64
- 300% higher telephoto: 200 MP vs 50 MP
- 100% higher Wireless charging: 80 W vs 40 W
- 43% higher Optical zoom: 4.3 x vs 3 x
- 15% higher Pixel density: 522 ppi vs 452 ppi
Display
| Spec | Vivo X300s | Xiaomi 15 Ultra |
|---|---|---|
| Screen size | 6.78 ″+1% | 6.73 ″ |
| Panel type | LTPO AMOLED | LTPO AMOLED |
| Resolution | 1260x2800 | 1440x3200 |
| Pixel density | 452 ppi | 522 ppi+15% |
| Refresh rate | 144 Hz+20% | 120 Hz |
| Peak brightness | — | 3,200 nits |
| Screen-to-body | 91.1 %+1% | 90 % |
Performance
| Spec | Vivo X300s | Xiaomi 15 Ultra |
|---|---|---|
| Chipset | MediaTek Dimensity 9500 | 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 4.1 | UFS 4.1 |
Camera
| Spec | Vivo X300s | Xiaomi 15 Ultra |
|---|---|---|
| Main camera | 200 MP+300% | 50 MP |
| Main aperture | f/1.68 | f/1.63 |
| Ultra-wide | 50 MP | 50 MP |
| Telephoto | 50 MP | 200 MP+300% |
| Optical zoom | 3 x | 4.3 x+43% |
| Max video | 4K@120fps | 8K@30fps |
| Front camera | 50 MP+56% | 32 MP |
| OIS | Yes | Yes |
Battery
| Spec | Vivo X300s | Xiaomi 15 Ultra |
|---|---|---|
| Capacity | 7,100 mAh+31% | 5,410 mAh |
| Wired charging | 90 W | 90 W |
| Wireless charging | 40 W | 80 W+100% |
| Active use endurance | — | 12 h |
Design
| Spec | Vivo X300s | Xiaomi 15 Ultra |
|---|---|---|
| Weight | 217 g+4% | 226 g |
| Thickness | 8 mm+14% | 9.4 mm |
| IP rating | IP68/IP69 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Vivo X300s | 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 | Yes | Yes |
Software
| Spec | Vivo X300s | Xiaomi 15 Ultra |
|---|---|---|
| OS at launch | Android 16 (OriginOS 6) | Android 15 (HyperOS 2) |
| OS update pledge | 5 years+25% | 4 years |
Audio
| Spec | Vivo X300s | Xiaomi 15 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |