POCO F8 Ultra vs vivo Y31 5G
88.4Performance20
67Display39.6
69.5Camera29
92Battery66.2
78.7Features73.3
10 spec wins — POCO F8 Ultra1 spec wins — vivo Y31 5G
InnoReviews verdict
POCO F8 Ultra wins this phone face-off, 80.1 to 40.3, pulling ahead mainly in performance (+68) and camera (+41). 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 POCO F8 Ultra
- Stronger performance score: 88 vs 20
- Stronger display score: 67 vs 40
- Stronger camera score: 70 vs 29
- Stronger battery score: 92 vs 66
- Stronger features score: 79 vs 73
Reasons to pick the vivo Y31 5G
No decisive spec advantages — this side competes on price and preference.
Display
| Spec | POCO F8 Ultra | vivo Y31 5G |
|---|---|---|
| Screen size | 6.9 ″+3% | 6.68 ″ |
| Panel type | AMOLED | IPS LCD |
| Resolution | 1200x2608 | 720x1608 |
| Pixel density | 416 ppi+58% | 264 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,500 nits+250% | 1,000 nits |
| Screen-to-body | 91.8 % | — |
Performance
| Spec | POCO F8 Ultra | vivo Y31 5G |
|---|---|---|
| Chipset | Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 4 Gen 2 |
| AnTuTu | 3,651,476Top 4% | — |
| AnTuTu 11 (CPU) | 1,047,154Top 5% | — |
| AnTuTu 11 (GPU) | 1,371,829Top 5% | — |
| AnTuTu 11 (Memory) | 485,909Top 4% | — |
| AnTuTu 11 (UX) | 746,584Top 5% | — |
| Geekbench 6 (single) | 3,550Top 5% | — |
| Geekbench 6 (multi) | 10,502Top 5% | — |
| RAM (max) | 16 GB+167% | 6 GB |
| Storage options | 256GB / 512GB | 128GB |
| Storage type | UFS 4.1 | eMMC 5.1 |
Camera
| Spec | POCO F8 Ultra | vivo Y31 5G |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.7 | f/1.8 |
| Ultra-wide | 50 MP | — |
| Telephoto | 50 MP | — |
| Optical zoom | 5 x | — |
| Max video | 8K@30fps | 1080p@30fps |
| Front camera | 32 MP+300% | 8 MP |
| OIS | Yes | No |
Battery
| Spec | POCO F8 Ultra | vivo Y31 5G |
|---|---|---|
| Capacity | 6,500 mAh | 6,500 mAh |
| Wired charging | 100 W+127% | 44 W |
| Wireless charging | 50 W | — |
| Active use endurance | 18.9 h | — |
Design
| Spec | POCO F8 Ultra | vivo Y31 5G |
|---|---|---|
| Weight | 218 g | 209 g+4% |
| Thickness | 7.9 mm+6% | 8.4 mm |
| IP rating | IP68 | IP68/IP69 |
| Frame material | Aluminum | — |
Connectivity
| Spec | POCO F8 Ultra | 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 | POCO F8 Ultra | vivo Y31 5G |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 15 (Funtouch OS 15) |
| OS update pledge | 4 years | — |
Audio
| Spec | POCO F8 Ultra | vivo Y31 5G |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |