OPPO F31 5G vs Ulefone Armor 28 Ultra
28.9Performance55.2
55.2Display53.7
30.7Camera46.8
79.8Battery94.7
52Features60
4 spec wins — OPPO F31 5G8 spec wins — Ulefone Armor 28 Ultra
InnoReviews verdict
Ulefone Armor 28 Ultra wins this phone face-off, 61.6 to 47, pulling ahead mainly in performance (+26) and camera (+16). OPPO F31 5G still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the OPPO F31 5G
- 59% lower weight: 185 g vs 450 g
- 59% lower thickness: 8 mm vs 19.4 mm
- Has Stereo speakers — the other doesn't
Reasons to pick the Ulefone Armor 28 Ultra
- Stronger performance score: 55 vs 29
- Stronger camera score: 47 vs 31
- Stronger battery score: 95 vs 80
- Stronger features score: 60 vs 52
- 213% higher Front camera: 50 MP vs 16 MP
Display
| Spec | OPPO F31 5G | Ulefone Armor 28 Ultra |
|---|---|---|
| Screen size | 6.57 ″ | 6.67 ″+2% |
| Panel type | AMOLED | AMOLED |
| Resolution | 2372x1080 | 1080x2400 |
| Pixel density | 397 ppi+1% | 395 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,400 nits | 2,200 nits+57% |
| Screen-to-body | 93 % | — |
Performance
| Spec | OPPO F31 5G | Ulefone Armor 28 Ultra |
|---|---|---|
| Chipset | Dimensity 6300 | MediaTek Dimensity 9300+ |
| Geekbench 6 (single) | — | 2,158Top 29% |
| Geekbench 6 (multi) | — | 7,082Top 22% |
| RAM (max) | 8 GB | 16 GB+100% |
| Storage options | 128GB / 256GB | 1TB |
| Storage type | UFS 2.2 | UFS 4.0 |
Camera
| Spec | OPPO F31 5G | Ulefone Armor 28 Ultra |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.8 | f/1.9 |
| Ultra-wide | — | 50 MP |
| Max video | 1080p@60fps | 8K@30fps |
| Front camera | 16 MP | 50 MP+213% |
| OIS | — | No |
Battery
| Spec | OPPO F31 5G | Ulefone Armor 28 Ultra |
|---|---|---|
| Capacity | 7,000 mAh | 10,600 mAh+51% |
| Wired charging | 80 W | 120 W+50% |
| Wireless charging | — | 50 W |
Design
| Spec | OPPO F31 5G | Ulefone Armor 28 Ultra |
|---|---|---|
| Weight | 185 g+59% | 450 g |
| Thickness | 8 mm+59% | 19.4 mm |
| IP rating | IP66/IP68/IP69 | IP68/IP69K |
| Frame material | Aluminum | — |
Connectivity
| Spec | OPPO F31 5G | Ulefone Armor 28 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| NFC | No | Yes |
| USB | USB-C 2.0 | USB-C 3.2 Gen 2 |
| eSIM | No | No |
Software
| Spec | OPPO F31 5G | Ulefone Armor 28 Ultra |
|---|---|---|
| OS at launch | Android 15 (ColorOS 15) | Android 14 |
| OS update pledge | 2 years | — |
Audio
| Spec | OPPO F31 5G | Ulefone Armor 28 Ultra |
|---|---|---|
| Stereo speakers | Yes | No |
| 3.5mm jack | No | Yes |
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