OPPO K15 vs Xiaomi 13 Ultra
46.7Performance54
53.6Display64.2
58.6Camera69.5
79.8Battery71.6
86.7Features65.3
4 spec wins — OPPO K154 spec wins — Xiaomi 13 Ultra
InnoReviews verdict
Xiaomi 13 Ultra wins this phone face-off, 63.8 to 61.1, pulling ahead mainly in camera (+11) and display (+11). OPPO K15 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the OPPO K15
- Stronger battery score: 80 vs 72
- Stronger features score: 87 vs 65
- 60% higher capacity: 8,000 mAh vs 5,000 mAh
- 56% higher Front camera: 50 MP vs 32 MP
- 10% lower weight: 205 g vs 227 g
Reasons to pick the Xiaomi 13 Ultra
- Stronger performance score: 54 vs 47
- Stronger display score: 64 vs 54
- Stronger camera score: 70 vs 59
- 117% higher Peak brightness: 2,600 nits vs 1,200 nits
- 13% higher Pixel density: 522 ppi vs 460 ppi
Display
| Spec | OPPO K15 | Xiaomi 13 Ultra |
|---|---|---|
| Screen size | 6.59 ″ | 6.73 ″+2% |
| Panel type | AMOLED | LTPO OLED |
| Resolution | 2760x1256 | 3200x1440 |
| Pixel density | 460 ppi | 522 ppi+13% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,200 nits | 2,600 nits+117% |
| Screen-to-body | 88.9 % | — |
Performance
| Spec | OPPO K15 | Xiaomi 13 Ultra |
|---|---|---|
| Chipset | Dimensity 7360 Super | Snapdragon 8 Gen 2 |
| AnTuTu | — | 1,550,000 |
| Geekbench 6 (single) | — | 2,050Top 32% |
| Geekbench 6 (multi) | — | 5,500Top 34% |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 256GB | 256GB / 512GB / 1TB |
| Storage type | UFS 3.1 | UFS 4.0 |
Camera
| Spec | OPPO K15 | Xiaomi 13 Ultra |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.8 | f/1.9-4.0 |
| Ultra-wide | 50 MP | 50 MP |
| Telephoto | — | 50 MP |
| Optical zoom | — | 5 x |
| Max video | 4K@30fps | 8K@24fps |
| Front camera | 50 MP+56% | 32 MP |
| OIS | Yes | Yes |
Battery
| Spec | OPPO K15 | Xiaomi 13 Ultra |
|---|---|---|
| Capacity | 8,000 mAh+60% | 5,000 mAh |
| Wired charging | 80 W | 90 W+13% |
| Wireless charging | — | 50 W |
Design
| Spec | OPPO K15 | Xiaomi 13 Ultra |
|---|---|---|
| Weight | 205 g+10% | 227 g |
| Thickness | 8.3 mm+9% | 9.1 mm |
| IP rating | IP68/IP69 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | OPPO K15 | Xiaomi 13 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6E |
| Bluetooth | 5.4 | 5.3 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | No |
Software
| Spec | OPPO K15 | Xiaomi 13 Ultra |
|---|---|---|
| OS at launch | Android 16 (ColorOS 16) | Android 13 (MIUI 14) |
| OS update pledge | — | 3 years |
Audio
| Spec | OPPO K15 | Xiaomi 13 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |