Ulefone Armor 28 Ultra vs vivo Y31 5G
55.2Performance20
53.7Display39.6
46.8Camera29
94.7Battery66.2
60Features73.3
8 spec wins — Ulefone Armor 28 Ultra4 spec wins — vivo Y31 5G
InnoReviews verdict
Ulefone Armor 28 Ultra wins this phone face-off, 61.6 to 40.3, pulling ahead mainly in performance (+35) and battery (+29). 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 Ulefone Armor 28 Ultra
- Stronger performance score: 55 vs 20
- Stronger display score: 54 vs 40
- Stronger camera score: 47 vs 29
- Stronger battery score: 95 vs 66
- 525% higher Front camera: 50 MP vs 8 MP
Reasons to pick the vivo Y31 5G
- Stronger features score: 73 vs 60
- 57% lower thickness: 8.4 mm vs 19.4 mm
- 54% lower weight: 209 g vs 450 g
- Has Stereo speakers — the other doesn't
Display
| Spec | Ulefone Armor 28 Ultra | vivo Y31 5G |
|---|---|---|
| Screen size | 6.67 ″ | 6.68 ″ |
| Panel type | AMOLED | IPS LCD |
| Resolution | 1080x2400 | 720x1608 |
| Pixel density | 395 ppi+50% | 264 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 2,200 nits+120% | 1,000 nits |
Performance
| Spec | Ulefone Armor 28 Ultra | vivo Y31 5G |
|---|---|---|
| Chipset | MediaTek Dimensity 9300+ | Qualcomm Snapdragon 4 Gen 2 |
| Geekbench 6 (single) | 2,158Top 29% | — |
| Geekbench 6 (multi) | 7,082Top 22% | — |
| RAM (max) | 16 GB+167% | 6 GB |
| Storage options | 1TB | 128GB |
| Storage type | UFS 4.0 | eMMC 5.1 |
Camera
| Spec | Ulefone Armor 28 Ultra | vivo Y31 5G |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.9 | f/1.8 |
| Ultra-wide | 50 MP | — |
| Max video | 8K@30fps | 1080p@30fps |
| Front camera | 50 MP+525% | 8 MP |
| OIS | No | No |
Battery
| Spec | Ulefone Armor 28 Ultra | vivo Y31 5G |
|---|---|---|
| Capacity | 10,600 mAh+63% | 6,500 mAh |
| Wired charging | 120 W+173% | 44 W |
| Wireless charging | 50 W | — |
Design
| Spec | Ulefone Armor 28 Ultra | vivo Y31 5G |
|---|---|---|
| Weight | 450 g | 209 g+54% |
| Thickness | 19.4 mm | 8.4 mm+57% |
| IP rating | IP68/IP69K | IP68/IP69 |
Connectivity
| Spec | Ulefone Armor 28 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 3.2 Gen 2 | USB-C 2.0 |
| eSIM | No | No |
Software
| Spec | Ulefone Armor 28 Ultra | vivo Y31 5G |
|---|---|---|
| OS at launch | Android 14 | Android 15 (Funtouch OS 15) |
Audio
| Spec | Ulefone Armor 28 Ultra | vivo Y31 5G |
|---|---|---|
| Stereo speakers | No | Yes |
| 3.5mm jack | Yes | No |
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