OPPO K15 vs vivo X100 Ultra
46.7Performance64.4
53.6Display67.6
58.6Camera75.8
79.8Battery75.5
86.7Features86.7
3 spec wins — OPPO K155 spec wins — vivo X100 Ultra
InnoReviews verdict
vivo X100 Ultra wins this phone face-off, 71.8 to 61.1, pulling ahead mainly in performance (+18) and camera (+17). 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 76
- 45% higher capacity: 8,000 mAh vs 5,500 mAh
- 10% lower weight: 205 g vs 229 g
- 10% lower thickness: 8.3 mm vs 9.2 mm
Reasons to pick the vivo X100 Ultra
- Stronger performance score: 64 vs 47
- Stronger display score: 68 vs 54
- Stronger camera score: 76 vs 59
- 150% higher Peak brightness: 3,000 nits vs 1,200 nits
- 33% higher RAM (max): 16 GB vs 12 GB
Display
| Spec | OPPO K15 | vivo X100 Ultra |
|---|---|---|
| Screen size | 6.59 ″ | 6.78 ″+3% |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 2760x1256 | 1440x3200 |
| Pixel density | 460 ppi | 517 ppi+12% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,200 nits | 3,000 nits+150% |
| Screen-to-body | 88.9 % | 89.8 %+1% |
Performance
| Spec | OPPO K15 | vivo X100 Ultra |
|---|---|---|
| Chipset | Dimensity 7360 Super | Qualcomm Snapdragon 8 Gen 3 |
| RAM (max) | 12 GB | 16 GB+33% |
| Storage options | 256GB | 256/512GB/1TB |
| Storage type | UFS 3.1 | UFS 4.0 |
Camera
| Spec | OPPO K15 | vivo X100 Ultra |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.8 | f/1.75 |
| 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 X100 Ultra |
|---|---|---|
| Capacity | 8,000 mAh+45% | 5,500 mAh |
| Wired charging | 80 W | 80 W |
| Wireless charging | — | 30 W |
| Active use endurance | — | 12.9 h |
Design
| Spec | OPPO K15 | vivo X100 Ultra |
|---|---|---|
| Weight | 205 g+10% | 229 g |
| Thickness | 8.3 mm+10% | 9.2 mm |
| IP rating | IP68/IP69 | IP68/IP69 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | OPPO K15 | vivo X100 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 | No |
Software
| Spec | OPPO K15 | vivo X100 Ultra |
|---|---|---|
| OS at launch | Android 16 (ColorOS 16) | Android 14 (OriginOS 4) |
Audio
| Spec | OPPO K15 | vivo X100 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |