nubia Z70S Ultra vs vivo Y31 5G
78.4Performance20
68.2Display39.6
61.1Camera29
76.1Battery66.2
86.7Features73.3
10 spec wins — nubia Z70S Ultra2 spec wins — vivo Y31 5G
InnoReviews verdict
nubia Z70S Ultra wins this phone face-off, 73.3 to 40.3, pulling ahead mainly in performance (+58) and camera (+32). vivo Y31 5G 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 20
- Stronger display score: 68 vs 40
- Stronger camera score: 61 vs 29
- Stronger battery score: 76 vs 66
- Stronger features score: 87 vs 73
Reasons to pick the vivo Y31 5G
No decisive spec advantages — this side competes on price and preference.
Display
| Spec | nubia Z70S Ultra | vivo Y31 5G |
|---|---|---|
| Screen size | 6.85 ″+3% | 6.68 ″ |
| Panel type | AMOLED | IPS LCD |
| Resolution | 1216x2688 | 720x1608 |
| Pixel density | 431 ppi+63% | 264 ppi |
| Refresh rate | 144 Hz+20% | 120 Hz |
| Peak brightness | 2,000 nits+100% | 1,000 nits |
| Screen-to-body | 95.3 % | — |
Performance
| Spec | nubia Z70S Ultra | vivo Y31 5G |
|---|---|---|
| Chipset | Snapdragon 8 Elite | Qualcomm Snapdragon 4 Gen 2 |
| Geekbench 6 (single) | 2,952Top 16% | — |
| Geekbench 6 (multi) | 8,952Top 14% | — |
| RAM (max) | 24 GB+300% | 6 GB |
| Storage options | 256GB/512GB/1TB | 128GB |
| Storage type | UFS 4.0 | eMMC 5.1 |
Camera
| Spec | nubia Z70S Ultra | vivo Y31 5G |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.7 | f/1.8 |
| Ultra-wide | 50 MP | — |
| Telephoto | 64 MP | — |
| Optical zoom | 2 x | — |
| Max video | 8K@30fps | 1080p@30fps |
| Front camera | 16 MP+100% | 8 MP |
| OIS | Yes | No |
Battery
| Spec | nubia Z70S Ultra | vivo Y31 5G |
|---|---|---|
| Capacity | 6,600 mAh+2% | 6,500 mAh |
| Wired charging | 80 W+82% | 44 W |
| Wireless charging | 0 W | — |
Design
| Spec | nubia Z70S Ultra | vivo Y31 5G |
|---|---|---|
| Weight | 228 g | 209 g+8% |
| Thickness | 8.6 mm | 8.4 mm+2% |
| IP rating | IP68/IP69 | IP68/IP69 |
Connectivity
| Spec | nubia Z70S Ultra | vivo Y31 5G |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 5 |
| Bluetooth | 5.4 | 4.2 |
| NFC | Yes | No |
| USB | USB-C 3.1 | USB-C 2.0 |
| eSIM | No | No |
Software
| Spec | nubia Z70S Ultra | vivo Y31 5G |
|---|---|---|
| OS at launch | Android 15 (Nebula AIOS 1.5) | Android 15 (Funtouch OS 15) |
Audio
| Spec | nubia Z70S Ultra | vivo Y31 5G |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |