nubia Z70S Ultra vs OPPO K15
78.4Performance46.7
68.2Display53.6
61.1Camera58.6
76.1Battery79.8
86.7Features86.7
5 spec wins — nubia Z70S Ultra5 spec wins — OPPO K15
InnoReviews verdict
nubia Z70S Ultra wins this phone face-off, 73.3 to 61.1, pulling ahead mainly in performance (+32) and display (+15). 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 nubia Z70S Ultra
- Stronger performance score: 78 vs 47
- Stronger display score: 68 vs 54
- 100% higher RAM (max): 24 GB vs 12 GB
- 67% higher Peak brightness: 2,000 nits vs 1,200 nits
- 20% higher Refresh rate: 144 Hz vs 120 Hz
Reasons to pick the OPPO K15
- Stronger battery score: 80 vs 76
- 213% higher Front camera: 50 MP vs 16 MP
- 21% higher capacity: 8,000 mAh vs 6,600 mAh
- 10% lower weight: 205 g vs 228 g
Display
| Spec | nubia Z70S Ultra | OPPO K15 |
|---|---|---|
| Screen size | 6.85 ″+4% | 6.59 ″ |
| Panel type | AMOLED | AMOLED |
| Resolution | 1216x2688 | 2760x1256 |
| Pixel density | 431 ppi | 460 ppi+7% |
| Refresh rate | 144 Hz+20% | 120 Hz |
| Peak brightness | 2,000 nits+67% | 1,200 nits |
| Screen-to-body | 95.3 %+7% | 88.9 % |
Performance
| Spec | nubia Z70S Ultra | OPPO K15 |
|---|---|---|
| Chipset | Snapdragon 8 Elite | Dimensity 7360 Super |
| Geekbench 6 (single) | 2,952Top 16% | — |
| Geekbench 6 (multi) | 8,952Top 14% | — |
| RAM (max) | 24 GB+100% | 12 GB |
| Storage options | 256GB/512GB/1TB | 256GB |
| Storage type | UFS 4.0 | UFS 3.1 |
Camera
| Spec | nubia Z70S Ultra | OPPO K15 |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.7 | f/1.8 |
| Ultra-wide | 50 MP | 50 MP |
| Telephoto | 64 MP | — |
| Optical zoom | 2 x | — |
| Max video | 8K@30fps | 4K@30fps |
| Front camera | 16 MP | 50 MP+213% |
| OIS | Yes | Yes |
Battery
| Spec | nubia Z70S Ultra | OPPO K15 |
|---|---|---|
| Capacity | 6,600 mAh | 8,000 mAh+21% |
| Wired charging | 80 W | 80 W |
| Wireless charging | 0 W | — |
Design
| Spec | nubia Z70S Ultra | OPPO K15 |
|---|---|---|
| Weight | 228 g | 205 g+10% |
| Thickness | 8.6 mm | 8.3 mm+3% |
| IP rating | IP68/IP69 | IP68/IP69 |
| Frame material | — | Aluminum |
Connectivity
| Spec | nubia Z70S Ultra | OPPO K15 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6 |
| Bluetooth | 5.4 | 5.4 |
| NFC | Yes | Yes |
| USB | USB-C 3.1 | USB-C 2.0 |
| eSIM | No | No |
Software
| Spec | nubia Z70S Ultra | OPPO K15 |
|---|---|---|
| OS at launch | Android 15 (Nebula AIOS 1.5) | Android 16 (ColorOS 16) |
Audio
| Spec | nubia Z70S Ultra | OPPO K15 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |