Samsung Galaxy Z Fold8 Ultra vs vivo Y31 5G
64.4Performance20
60.8Display39.6
63.7Camera29
56Battery66.2
60Features73.3
9 spec wins — Samsung Galaxy Z Fold8 Ultra3 spec wins — vivo Y31 5G
InnoReviews verdict
Samsung Galaxy Z Fold8 Ultra wins this phone face-off, 61.4 to 40.3, pulling ahead mainly in performance (+44) and camera (+35). 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 Samsung Galaxy Z Fold8 Ultra
- Stronger performance score: 64 vs 20
- Stronger display score: 61 vs 40
- Stronger camera score: 64 vs 29
- 300% higher Main camera: 200 MP vs 50 MP
- 200% higher Peak brightness: 3,000 nits vs 1,000 nits
Reasons to pick the vivo Y31 5G
- Stronger battery score: 66 vs 56
- Stronger features score: 73 vs 60
- 30% higher capacity: 6,500 mAh vs 5,000 mAh
Display
| Spec | Samsung Galaxy Z Fold8 Ultra | vivo Y31 5G |
|---|---|---|
| Screen size | 8 ″+20% | 6.68 ″ |
| Panel type | Foldable Dynamic AMOLED 2X | IPS LCD |
| Resolution | 2504x2256 | 720x1608 |
| Pixel density | 422 ppi+60% | 264 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,000 nits+200% | 1,000 nits |
Performance
| Spec | Samsung Galaxy Z Fold8 Ultra | vivo Y31 5G |
|---|---|---|
| Chipset | Snapdragon 8 Elite Gen 5 for Galaxy | Qualcomm Snapdragon 4 Gen 2 |
| RAM (max) | 16 GB+167% | 6 GB |
| Storage options | 256/512GB/1TB | 128GB |
| Storage type | — | eMMC 5.1 |
Camera
| Spec | Samsung Galaxy Z Fold8 Ultra | vivo Y31 5G |
|---|---|---|
| Main camera | 200 MP+300% | 50 MP |
| Main aperture | f/1.7 | f/1.8 |
| Ultra-wide | 50 MP | — |
| Telephoto | 10 MP | — |
| Optical zoom | 3 x | — |
| Max video | 8K | 1080p@30fps |
| Front camera | 10 MP+25% | 8 MP |
| OIS | Yes | No |
Battery
| Spec | Samsung Galaxy Z Fold8 Ultra | vivo Y31 5G |
|---|---|---|
| Capacity | 5,000 mAh | 6,500 mAh+30% |
| Wired charging | 45 W+2% | 44 W |
| Wireless charging | 20 W | — |
Design
| Spec | Samsung Galaxy Z Fold8 Ultra | vivo Y31 5G |
|---|---|---|
| Weight | 215 g | 209 g+3% |
| Thickness | 8.9 mm | 8.4 mm+6% |
| IP rating | IP48 | IP68/IP69 |
| Frame material | Armor Aluminum | — |
Connectivity
| Spec | Samsung Galaxy Z Fold8 Ultra | vivo Y31 5G |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 5 |
| Bluetooth | 6.0 | 4.2 |
| NFC | — | No |
| USB | USB-C | USB-C 2.0 |
| eSIM | Yes | No |
Software
| Spec | Samsung Galaxy Z Fold8 Ultra | vivo Y31 5G |
|---|---|---|
| OS at launch | Android 17 (One UI 9) | Android 15 (Funtouch OS 15) |
Audio
| Spec | Samsung Galaxy Z Fold8 Ultra | vivo Y31 5G |
|---|---|---|
| Stereo speakers | — | Yes |
| 3.5mm jack | — | No |
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