OPPO F31 5G vs Samsung Galaxy S21
28.9Performance34.4
55.2Display49.1
30.7Camera40.8
79.8Battery36.9
52Features78.7
6 spec wins — OPPO F31 5G6 spec wins — Samsung Galaxy S21
InnoReviews verdict
OPPO F31 5G wins this phone face-off, 47 to 43.6, pulling ahead mainly in battery (+43) and display (+6). Samsung Galaxy S21 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 display score: 55 vs 49
- Stronger battery score: 80 vs 37
- 317% higher Main camera: 50 MP vs 12 MP
- 220% higher Wired charging: 80 W vs 25 W
- 75% higher capacity: 7,000 mAh vs 4,000 mAh
Reasons to pick the Samsung Galaxy S21
- Stronger performance score: 34 vs 29
- Stronger camera score: 41 vs 31
- Stronger features score: 79 vs 52
- 100% higher OS update pledge: 4 years vs 2 years
- Has NFC — the other doesn't
Display
| Spec | OPPO F31 5G | Samsung Galaxy S21 |
|---|---|---|
| Screen size | 6.57 ″+6% | 6.2 ″ |
| Panel type | AMOLED | AMOLED |
| Resolution | 2372x1080 | 2400x1080 |
| Pixel density | 397 ppi | 421 ppi+6% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,400 nits+8% | 1,300 nits |
| Screen-to-body | 93 % | — |
Performance
| Spec | OPPO F31 5G | Samsung Galaxy S21 |
|---|---|---|
| Chipset | Dimensity 6300 | Samsung Exynos 2100 |
| AnTuTu | — | 746,547Bottom 18% |
| AnTuTu 11 (CPU) | — | 252,025Bottom 14% |
| AnTuTu 11 (GPU) | — | 127,819Bottom 35% |
| AnTuTu 11 (Memory) | — | 144,909Bottom 16% |
| AnTuTu 11 (UX) | — | 221,794Bottom 18% |
| Geekbench 6 (single) | — | 1,430Top 46% |
| Geekbench 6 (multi) | — | 3,550Bottom 50% |
| RAM (max) | 8 GB | 8 GB |
| Storage options | 128GB / 256GB | 128GB / 256GB |
| Storage type | UFS 2.2 | UFS 3.1 |
Camera
| Spec | OPPO F31 5G | Samsung Galaxy S21 |
|---|---|---|
| Main camera | 50 MP+317% | 12 MP |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | — | 12 MP |
| Telephoto | — | 64 MP |
| Max video | 1080p@60fps | 8K@24fps |
| Front camera | 16 MP+60% | 10 MP |
| OIS | — | Yes |
Battery
| Spec | OPPO F31 5G | Samsung Galaxy S21 |
|---|---|---|
| Capacity | 7,000 mAh+75% | 4,000 mAh |
| Wired charging | 80 W+220% | 25 W |
| Wireless charging | — | 15 W |
Design
| Spec | OPPO F31 5G | Samsung Galaxy S21 |
|---|---|---|
| Weight | 185 g | 171 g+8% |
| Thickness | 8 mm | 7.9 mm+1% |
| IP rating | IP66/IP68/IP69 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | OPPO F31 5G | Samsung Galaxy S21 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6 |
| Bluetooth | 5.4 | 5.0 |
| NFC | No | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | OPPO F31 5G | Samsung Galaxy S21 |
|---|---|---|
| OS at launch | Android 15 (ColorOS 15) | Android 11 (One UI 3.1) |
| OS update pledge | 2 years | 4 years+100% |
Audio
| Spec | OPPO F31 5G | Samsung Galaxy S21 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |