Nothing Phone (3a) vs OPPO K15
35.1Performance46.7
58.8Display53.6
54.7Camera58.6
59.2Battery79.8
73.3Features86.7
4 spec wins — Nothing Phone (3a)7 spec wins — OPPO K15
InnoReviews verdict
OPPO K15 wins this phone face-off, 61.1 to 52.4, pulling ahead mainly in battery (+21) and features (+13). Nothing Phone (3a) still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Nothing Phone (3a)
- Stronger display score: 59 vs 54
- 150% higher Peak brightness: 3,000 nits vs 1,200 nits
- Has eSIM — the other doesn't
Reasons to pick the OPPO K15
- Stronger performance score: 47 vs 35
- Stronger camera score: 59 vs 55
- Stronger battery score: 80 vs 59
- Stronger features score: 87 vs 73
- 525% higher ultra-wide: 50 MP vs 8 MP
Display
| Spec | Nothing Phone (3a) | OPPO K15 |
|---|---|---|
| Screen size | 6.77 ″+3% | 6.59 ″ |
| Panel type | AMOLED | AMOLED |
| Resolution | 1080x2392 | 2760x1256 |
| Pixel density | 387 ppi | 460 ppi+19% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,000 nits+150% | 1,200 nits |
| Screen-to-body | 87.4 % | 88.9 %+2% |
Performance
| Spec | Nothing Phone (3a) | OPPO K15 |
|---|---|---|
| Chipset | Snapdragon 7s Gen 3 | Dimensity 7360 Super |
| AnTuTu | 800,000 | — |
| Geekbench 6 (single) | 1,150Bottom 45% | — |
| Geekbench 6 (multi) | 3,250Bottom 45% | — |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 128/256GB | 256GB |
| Storage type | UFS 2.2 | UFS 3.1 |
Camera
| Spec | Nothing Phone (3a) | OPPO K15 |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.88 | f/1.8 |
| Ultra-wide | 8 MP | 50 MP+525% |
| Telephoto | 50 MP | — |
| Optical zoom | 2 x | — |
| Max video | 4K@30fps | 4K@30fps |
| Front camera | 32 MP | 50 MP+56% |
| OIS | Yes | Yes |
Battery
| Spec | Nothing Phone (3a) | OPPO K15 |
|---|---|---|
| Capacity | 5,000 mAh | 8,000 mAh+60% |
| Wired charging | 50 W | 80 W+60% |
| Wireless charging | 0 W | — |
| Active use endurance | 11 h | — |
Design
| Spec | Nothing Phone (3a) | OPPO K15 |
|---|---|---|
| Weight | 201 g+2% | 205 g |
| Thickness | 8.4 mm | 8.3 mm+1% |
| IP rating | IP64 | IP68/IP69 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Nothing Phone (3a) | OPPO K15 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6 |
| Bluetooth | 5.4 | 5.4 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 2.0 |
| eSIM | Yes | No |
Software
| Spec | Nothing Phone (3a) | OPPO K15 |
|---|---|---|
| OS at launch | Android 15 (Nothing OS 3.1) | Android 16 (ColorOS 16) |
| OS update pledge | 3 years | — |
Audio
| Spec | Nothing Phone (3a) | OPPO K15 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |