OPPO K15 vs Vivo X300 Ultra
46.7Performance93.3
53.6Display82.3
58.6Camera84.6
79.8Battery91.5
86.7Features84
2 spec wins — OPPO K1510 spec wins — Vivo X300 Ultra
InnoReviews verdict
Vivo X300 Ultra wins this phone face-off, 88.1 to 61.1, pulling ahead mainly in performance (+47) and display (+29). 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
- 21% higher capacity: 8,000 mAh vs 6,600 mAh
- 12% lower weight: 205 g vs 232 g
Reasons to pick the Vivo X300 Ultra
- Stronger performance score: 93 vs 47
- Stronger display score: 82 vs 54
- Stronger camera score: 85 vs 59
- Stronger battery score: 92 vs 80
- 300% higher Main camera: 200 MP vs 50 MP
Display
| Spec | OPPO K15 | Vivo X300 Ultra |
|---|---|---|
| Screen size | 6.59 ″ | 6.82 ″+3% |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 2760x1256 | 1440x3168 |
| Pixel density | 460 ppi | 510 ppi+11% |
| Refresh rate | 120 Hz | 144 Hz+20% |
| Peak brightness | 1,200 nits | 4,500 nits+275% |
| Screen-to-body | 88.9 % | 90.3 %+2% |
Performance
| Spec | OPPO K15 | Vivo X300 Ultra |
|---|---|---|
| Chipset | Dimensity 7360 Super | Qualcomm Snapdragon 8 Elite Gen 5 |
| AnTuTu | — | 4,085,695 |
| Geekbench 6 (single) | — | 3,730Top 3% |
| Geekbench 6 (multi) | — | 11,494Top 3% |
| RAM (max) | 12 GB | 16 GB+33% |
| Storage options | 256GB | 256/512GB/1TB |
| Storage type | UFS 3.1 | UFS 4.1 |
Camera
| Spec | OPPO K15 | Vivo X300 Ultra |
|---|---|---|
| Main camera | 50 MP | 200 MP+300% |
| Main aperture | f/1.8 | f/1.9 |
| Ultra-wide | 50 MP | 50 MP |
| Telephoto | — | 200 MP |
| Optical zoom | — | 3.7 x |
| Max video | 4K@30fps | 8K@30fps |
| Front camera | 50 MP | 50 MP |
| OIS | Yes | Yes |
Battery
| Spec | OPPO K15 | Vivo X300 Ultra |
|---|---|---|
| Capacity | 8,000 mAh+21% | 6,600 mAh |
| Wired charging | 80 W | 100 W+25% |
| Wireless charging | — | 40 W |
| Active use endurance | — | 16 h |
Design
| Spec | OPPO K15 | Vivo X300 Ultra |
|---|---|---|
| Weight | 205 g+12% | 232 g |
| Thickness | 8.3 mm | 8.2 mm+1% |
| IP rating | IP68/IP69 | IP68/IP69 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | OPPO K15 | Vivo X300 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | OPPO K15 | Vivo X300 Ultra |
|---|---|---|
| OS at launch | Android 16 (ColorOS 16) | Android 16 (OriginOS 6) |
| OS update pledge | — | 5 years |
Audio
| Spec | OPPO K15 | Vivo X300 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |