OPPO K15 vs Samsung Galaxy S21 FE 5G
46.7Performance37.5
53.6Display47.2
58.6Camera41.7
79.8Battery41.7
86.7Features78.7
8 spec wins — OPPO K153 spec wins — Samsung Galaxy S21 FE 5G
InnoReviews verdict
OPPO K15 wins this phone face-off, 61.1 to 45.2, pulling ahead mainly in battery (+38) and camera (+17). Samsung Galaxy S21 FE 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 K15
- Stronger performance score: 47 vs 38
- Stronger display score: 54 vs 47
- Stronger camera score: 59 vs 42
- Stronger battery score: 80 vs 42
- Stronger features score: 87 vs 79
Reasons to pick the Samsung Galaxy S21 FE 5G
- 14% lower weight: 177 g vs 205 g
- Has eSIM — the other doesn't
Display
| Spec | OPPO K15 | Samsung Galaxy S21 FE 5G |
|---|---|---|
| Screen size | 6.59 ″+3% | 6.4 ″ |
| Panel type | AMOLED | AMOLED |
| Resolution | 2760x1256 | 2340x1080 |
| Pixel density | 460 ppi+15% | 401 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,200 nits | 1,200 nits |
| Screen-to-body | 88.9 % | — |
Performance
| Spec | OPPO K15 | Samsung Galaxy S21 FE 5G |
|---|---|---|
| Chipset | Dimensity 7360 Super | Snapdragon 888 |
| AnTuTu | — | 1,040,324 |
| Geekbench 6 (single) | — | 1,450Top 44% |
| Geekbench 6 (multi) | — | 3,650Top 50% |
| RAM (max) | 12 GB+100% | 6 GB |
| Storage options | 256GB | 128GB / 256GB |
| Storage type | UFS 3.1 | UFS 3.1 |
Camera
| Spec | OPPO K15 | Samsung Galaxy S21 FE 5G |
|---|---|---|
| Main camera | 50 MP+317% | 12 MP |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | 50 MP+317% | 12 MP |
| Telephoto | — | 8 MP |
| Optical zoom | — | 3 x |
| Max video | 4K@30fps | 4K@60fps |
| Front camera | 50 MP+56% | 32 MP |
| OIS | Yes | Yes |
Battery
| Spec | OPPO K15 | Samsung Galaxy S21 FE 5G |
|---|---|---|
| Capacity | 8,000 mAh+78% | 4,500 mAh |
| Wired charging | 80 W+220% | 25 W |
| Wireless charging | — | 15 W |
Design
| Spec | OPPO K15 | Samsung Galaxy S21 FE 5G |
|---|---|---|
| Weight | 205 g | 177 g+14% |
| Thickness | 8.3 mm | 7.9 mm+5% |
| IP rating | IP68/IP69 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | OPPO K15 | Samsung Galaxy S21 FE 5G |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6 |
| Bluetooth | 5.4 | 5.0 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | OPPO K15 | Samsung Galaxy S21 FE 5G |
|---|---|---|
| OS at launch | Android 16 (ColorOS 16) | Android 12 (One UI 4) |
| OS update pledge | — | 4 years |
Audio
| Spec | OPPO K15 | Samsung Galaxy S21 FE 5G |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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