vivo Y31 5G vs Xiaomi 18 Fold
20Performance91.6
39.6Display67
29Camera71.9
66.2Battery76.6
73.3Features86.7
3 spec wins — vivo Y31 5G9 spec wins — Xiaomi 18 Fold
InnoReviews verdict
Xiaomi 18 Fold wins this phone face-off, 79.3 to 40.3, pulling ahead mainly in performance (+72) and camera (+43). 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 vivo Y31 5G
- 22% lower thickness: 8.4 mm vs 10.7 mm
Reasons to pick the Xiaomi 18 Fold
- Stronger performance score: 92 vs 20
- Stronger display score: 67 vs 40
- Stronger camera score: 72 vs 29
- Stronger battery score: 77 vs 66
- Stronger features score: 87 vs 73
Display
| Spec | vivo Y31 5G | Xiaomi 18 Fold |
|---|---|---|
| Screen size | 6.68 ″ | 7.58 ″+13% |
| Panel type | IPS LCD | Foldable LTPO AMOLED |
| Resolution | 720x1608 | 2364x1672 |
| Pixel density | 264 ppi | 382 ppi+45% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,000 nits | 4,000 nits+300% |
| Screen-to-body | — | 90.6 % |
Performance
| Spec | vivo Y31 5G | Xiaomi 18 Fold |
|---|---|---|
| Chipset | Qualcomm Snapdragon 4 Gen 2 | Xiaomi XRing O3 |
| AnTuTu | — | 4,811,636 |
| Geekbench 6 (single) | — | 3,448Top 7% |
| Geekbench 6 (multi) | — | 12,758Top 1% |
| RAM (max) | 6 GB | 16 GB+167% |
| Storage options | 128GB | 256/512GB/1TB |
| Storage type | eMMC 5.1 | UFS 4.1 |
Camera
| Spec | vivo Y31 5G | Xiaomi 18 Fold |
|---|---|---|
| Main camera | 50 MP | 200 MP+300% |
| Main aperture | f/1.8 | f/1.7 |
| Ultra-wide | — | 50 MP |
| Telephoto | — | 50 MP |
| Optical zoom | — | 3.5 x |
| Max video | 1080p@30fps | 8K@24fps |
| Front camera | 8 MP | 16 MP+100% |
| OIS | No | Yes |
Battery
| Spec | vivo Y31 5G | Xiaomi 18 Fold |
|---|---|---|
| Capacity | 6,500 mAh+8% | 6,000 mAh |
| Wired charging | 44 W | 67 W+52% |
| Wireless charging | — | 50 W |
Design
| Spec | vivo Y31 5G | Xiaomi 18 Fold |
|---|---|---|
| Weight | 209 g+5% | 219 g |
| Thickness | 8.4 mm+22% | 10.7 mm |
| IP rating | IP68/IP69 | IP58/IP59 |
| Frame material | — | Aluminum |
Connectivity
| Spec | vivo Y31 5G | Xiaomi 18 Fold |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | 4.2 | 6.0 |
| NFC | No | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | No |
Software
| Spec | vivo Y31 5G | Xiaomi 18 Fold |
|---|---|---|
| OS at launch | Android 15 (Funtouch OS 15) | Android 17 (HyperOS 4) |
Audio
| Spec | vivo Y31 5G | Xiaomi 18 Fold |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |