OPPO F31 5G vs Samsung Galaxy A18 4G
28.9Performance20
55.2Display46
30.7Camera41.9
79.8Battery43.7
52Features49.3
10 spec wins — OPPO F31 5G4 spec wins — Samsung Galaxy A18 4G
InnoReviews verdict
OPPO F31 5G wins this phone face-off, 47 to 37.3, pulling ahead mainly in battery (+36) and display (+9). Samsung Galaxy A18 4G 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
- Stronger performance score: 29 vs 20
- Stronger display score: 55 vs 46
- Stronger battery score: 80 vs 44
- 220% higher Wired charging: 80 W vs 25 W
- 100% higher RAM (max): 8 GB vs 4 GB
Reasons to pick the Samsung Galaxy A18 4G
- Stronger camera score: 42 vs 31
- 200% higher OS update pledge: 6 years vs 2 years
- Has NFC — the other doesn't
Display
| Spec | OPPO F31 5G | Samsung Galaxy A18 4G |
|---|---|---|
| Screen size | 6.57 ″ | 6.7 ″+2% |
| Panel type | AMOLED | Super AMOLED |
| Resolution | 2372x1080 | 1080x2340 |
| Pixel density | 397 ppi+3% | 385 ppi |
| Refresh rate | 120 Hz+33% | 90 Hz |
| Peak brightness | 1,400 nits | — |
| Screen-to-body | 93 %+8% | 86 % |
Performance
| Spec | OPPO F31 5G | Samsung Galaxy A18 4G |
|---|---|---|
| Chipset | Dimensity 6300 | Exynos 1610 |
| RAM (max) | 8 GB+100% | 4 GB |
| Storage options | 128GB / 256GB | 64/128/256GB |
| Storage type | UFS 2.2 | — |
Camera
| Spec | OPPO F31 5G | Samsung Galaxy A18 4G |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | — | 5 MP |
| Max video | 1080p@60fps | 1080p@30fps |
| Front camera | 16 MP+23% | 13 MP |
| OIS | — | Yes |
Battery
| Spec | OPPO F31 5G | Samsung Galaxy A18 4G |
|---|---|---|
| Capacity | 7,000 mAh+40% | 5,000 mAh |
| Wired charging | 80 W+220% | 25 W |
Design
| Spec | OPPO F31 5G | Samsung Galaxy A18 4G |
|---|---|---|
| Weight | 185 g+6% | 196 g |
| Thickness | 8 mm | 7.7 mm+4% |
| IP rating | IP66/IP68/IP69 | IP64 |
| Frame material | Aluminum | Plastic |
Connectivity
| Spec | OPPO F31 5G | Samsung Galaxy A18 4G |
|---|---|---|
| 5G | Yes | No |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.4 | 5.3 |
| NFC | No | Yes |
| USB | USB-C 2.0 | USB-C 2.0 |
| eSIM | No | No |
Software
| Spec | OPPO F31 5G | Samsung Galaxy A18 4G |
|---|---|---|
| OS at launch | Android 15 (ColorOS 15) | Android 17 (One UI 9) |
| OS update pledge | 2 years | 6 years+200% |
Audio
| Spec | OPPO F31 5G | Samsung Galaxy A18 4G |
|---|---|---|
| Stereo speakers | Yes | No |
| 3.5mm jack | No | No |