Nothing Phone (3a) vs OPPO K13x 5G
35.1Performance21.8
58.8Display45.2
54.7Camera29
59.2Battery61.9
73.3Features36
10 spec wins — Nothing Phone (3a)5 spec wins — OPPO K13x 5G
InnoReviews verdict
Nothing Phone (3a) wins this phone face-off, 52.4 to 37.3, pulling ahead mainly in features (+37) and camera (+26). OPPO K13x 5G 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 performance score: 35 vs 22
- Stronger display score: 59 vs 45
- Stronger camera score: 55 vs 29
- Stronger features score: 73 vs 36
- 300% higher Front camera: 32 MP vs 8 MP
Reasons to pick the OPPO K13x 5G
- 20% higher capacity: 6,000 mAh vs 5,000 mAh
- Has 3.5mm jack — the other doesn't
Display
| Spec | Nothing Phone (3a) | OPPO K13x 5G |
|---|---|---|
| Screen size | 6.77 ″+1% | 6.67 ″ |
| Panel type | AMOLED | IPS LCD |
| Resolution | 1080x2392 | 1604x720 |
| Pixel density | 387 ppi+47% | 264 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,000 nits+200% | 1,000 nits |
| Screen-to-body | 87.4 % | 89.9 %+3% |
Performance
| Spec | Nothing Phone (3a) | OPPO K13x 5G |
|---|---|---|
| Chipset | Snapdragon 7s Gen 3 | MediaTek Dimensity 6300 |
| AnTuTu | 800,000 | — |
| Geekbench 6 (single) | 1,150+46%Bottom 45% | 785Bottom 19% |
| Geekbench 6 (multi) | 3,250+64%Bottom 45% | 1,984Bottom 16% |
| RAM (max) | 12 GB+50% | 8 GB |
| Storage options | 128/256GB | 128GB |
| Storage type | UFS 2.2 | UFS 2.2 |
Camera
| Spec | Nothing Phone (3a) | OPPO K13x 5G |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.88 | f/1.8 |
| Ultra-wide | 8 MP | — |
| Telephoto | 50 MP | — |
| Optical zoom | 2 x | — |
| Max video | 4K@30fps | 1080p@60fps |
| Front camera | 32 MP+300% | 8 MP |
| OIS | Yes | No |
Battery
| Spec | Nothing Phone (3a) | OPPO K13x 5G |
|---|---|---|
| Capacity | 5,000 mAh | 6,000 mAh+20% |
| Wired charging | 50 W+11% | 45 W |
| Wireless charging | 0 W | — |
| Active use endurance | 11 h | — |
Design
| Spec | Nothing Phone (3a) | OPPO K13x 5G |
|---|---|---|
| Weight | 201 g | 194 g+3% |
| Thickness | 8.4 mm | 7.9 mm+6% |
| IP rating | IP64 | IP65 |
| Frame material | Aluminum | Plastic |
Connectivity
| Spec | Nothing Phone (3a) | OPPO K13x 5G |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | 5.4 | 5.4 |
| NFC | Yes | — |
| USB | USB-C 2.0 | USB-C |
| eSIM | Yes | — |
Software
| Spec | Nothing Phone (3a) | OPPO K13x 5G |
|---|---|---|
| OS at launch | Android 15 (Nothing OS 3.1) | Android 15 (ColorOS 15) |
| OS update pledge | 3 years+50% | 2 years |
Audio
| Spec | Nothing Phone (3a) | OPPO K13x 5G |
|---|---|---|
| Stereo speakers | Yes | — |
| 3.5mm jack | No | Yes |