OPPO K15 vs Samsung Galaxy A51
46.7Performance20
53.6Display30.8
58.6Camera34.7
79.8Battery29.4
86.7Features33.3
12 spec wins — OPPO K153 spec wins — Samsung Galaxy A51
InnoReviews verdict
OPPO K15 wins this phone face-off, 61.1 to 28.3, pulling ahead mainly in features (+53) and battery (+50). Samsung Galaxy A51 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 20
- Stronger display score: 54 vs 31
- Stronger camera score: 59 vs 35
- Stronger battery score: 80 vs 29
- Stronger features score: 87 vs 33
Reasons to pick the Samsung Galaxy A51
- 16% lower weight: 172 g vs 205 g
- Has 3.5mm jack — the other doesn't
Display
| Spec | OPPO K15 | Samsung Galaxy A51 |
|---|---|---|
| Screen size | 6.59 ″+1% | 6.5 ″ |
| Panel type | AMOLED | Super AMOLED |
| Resolution | 2760x1256 | 2400x1080 |
| Pixel density | 460 ppi+14% | 405 ppi |
| Refresh rate | 120 Hz+100% | 60 Hz |
| Peak brightness | 1,200 nits | — |
| Screen-to-body | 88.9 % | — |
Performance
| Spec | OPPO K15 | Samsung Galaxy A51 |
|---|---|---|
| Chipset | Dimensity 7360 Super | Samsung Exynos 9611 |
| AnTuTu | — | 215,000 |
| Geekbench 6 (single) | — | 350Bottom 1% |
| Geekbench 6 (multi) | — | 1,250Bottom 1% |
| RAM (max) | 12 GB+100% | 6 GB |
| Storage options | 256GB | 64GB / 128GB |
| Storage type | UFS 3.1 | UFS 2.0 |
Camera
| Spec | OPPO K15 | Samsung Galaxy A51 |
|---|---|---|
| Main camera | 50 MP+4% | 48 MP |
| Main aperture | f/1.8 | f/2.0 |
| Ultra-wide | 50 MP+317% | 12 MP |
| Max video | 4K@30fps | 4K@30fps |
| Front camera | 50 MP+56% | 32 MP |
| OIS | Yes | No |
Battery
| Spec | OPPO K15 | Samsung Galaxy A51 |
|---|---|---|
| Capacity | 8,000 mAh+100% | 4,000 mAh |
| Wired charging | 80 W+433% | 15 W |
Design
| Spec | OPPO K15 | Samsung Galaxy A51 |
|---|---|---|
| Weight | 205 g | 172 g+16% |
| Thickness | 8.3 mm | 7.9 mm+5% |
| IP rating | IP68/IP69 | — |
| Frame material | Aluminum | Plastic |
Connectivity
| Spec | OPPO K15 | Samsung Galaxy A51 |
|---|---|---|
| 5G | Yes | No |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | 5.4 | 5.0 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 2.0 |
| eSIM | No | No |
Software
| Spec | OPPO K15 | Samsung Galaxy A51 |
|---|---|---|
| OS at launch | Android 16 (ColorOS 16) | Android 10 (One UI 2) |
| OS update pledge | — | 3 years |
Audio
| Spec | OPPO K15 | Samsung Galaxy A51 |
|---|---|---|
| Stereo speakers | Yes | No |
| 3.5mm jack | No | Yes |