Samsung Galaxy Z Fold 8 vs vivo Y31 5G
86.1Performance20
61.6Display39.6
50.2Camera29
67.5Battery66.2
94.7Features73.3
10 spec wins — Samsung Galaxy Z Fold 82 spec wins — vivo Y31 5G
InnoReviews verdict
Samsung Galaxy Z Fold 8 wins this phone face-off, 71.2 to 40.3, pulling ahead mainly in performance (+66) and display (+22). 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 Fold 8
- Stronger performance score: 86 vs 20
- Stronger display score: 62 vs 40
- Stronger camera score: 50 vs 29
- Stronger features score: 95 vs 73
- 200% higher Peak brightness: 3,000 nits vs 1,000 nits
Reasons to pick the vivo Y31 5G
- 35% higher capacity: 6,500 mAh vs 4,800 mAh
- 14% lower thickness: 8.4 mm vs 9.7 mm
Display
| Spec | Samsung Galaxy Z Fold 8 | vivo Y31 5G |
|---|---|---|
| Screen size | 7.6 ″+14% | 6.68 ″ |
| Panel type | Foldable Dynamic LTPO AMOLED 2X | IPS LCD |
| Resolution | 2448x1848 | 720x1608 |
| Pixel density | 404 ppi+53% | 264 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,000 nits+200% | 1,000 nits |
| Screen-to-body | 89.6 % | — |
Performance
| Spec | Samsung Galaxy Z Fold 8 | vivo Y31 5G |
|---|---|---|
| Chipset | Snapdragon 8 Elite Gen 5 for Galaxy | Qualcomm Snapdragon 4 Gen 2 |
| AnTuTu | 2,947,517 | — |
| Geekbench 6 (single) | 3,528Top 6% | — |
| Geekbench 6 (multi) | 10,619Top 4% | — |
| Wild Life Extreme stability | 53 %Bottom 11% | — |
| RAM (max) | 16 GB+167% | 6 GB |
| Storage options | 256GB/512GB/1TB | 128GB |
| Storage type | UFS 4.0 | eMMC 5.1 |
Camera
| Spec | Samsung Galaxy Z Fold 8 | vivo Y31 5G |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | 50 MP | — |
| Max video | 8K@30fps | 1080p@30fps |
| Front camera | 10 MP+25% | 8 MP |
| OIS | Yes | No |
Battery
| Spec | Samsung Galaxy Z Fold 8 | vivo Y31 5G |
|---|---|---|
| Capacity | 4,800 mAh | 6,500 mAh+35% |
| Wired charging | 45 W+2% | 44 W |
| Wireless charging | 20 W | — |
| Active use endurance | 13.8 h | — |
Design
| Spec | Samsung Galaxy Z Fold 8 | vivo Y31 5G |
|---|---|---|
| Weight | 201 g+4% | 209 g |
| Thickness | 9.7 mm | 8.4 mm+14% |
| IP rating | IP48 | IP68/IP69 |
| Frame material | Armor Aluminum | — |
Connectivity
| Spec | Samsung Galaxy Z Fold 8 | vivo Y31 5G |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 5 |
| Bluetooth | 6.0 | 4.2 |
| NFC | Yes | No |
| USB | USB-C 3.2 | USB-C 2.0 |
| eSIM | Yes | No |
Software
| Spec | Samsung Galaxy Z Fold 8 | vivo Y31 5G |
|---|---|---|
| OS at launch | Android 17 (One UI 9) | Android 15 (Funtouch OS 15) |
| OS update pledge | 7 years | — |
Audio
| Spec | Samsung Galaxy Z Fold 8 | vivo Y31 5G |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |