Nothing Phone (3a) vs OPPO A78 5G
35.1Performance23.2
58.8Display35.2
54.7Camera29
59.2Battery47.8
73.3Features60
12 spec wins — Nothing Phone (3a)3 spec wins — OPPO A78 5G
InnoReviews verdict
Nothing Phone (3a) wins this phone face-off, 52.4 to 35.4, pulling ahead mainly in camera (+26) and display (+24). OPPO A78 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 23
- Stronger display score: 59 vs 35
- Stronger camera score: 55 vs 29
- Stronger battery score: 59 vs 48
- Stronger features score: 73 vs 60
Reasons to pick the OPPO A78 5G
- Has 3.5mm jack — the other doesn't
- Lower launch price: $249 vs $379
Display
| Spec | Nothing Phone (3a) | OPPO A78 5G |
|---|---|---|
| Screen size | 6.77 ″+3% | 6.56 ″ |
| Panel type | AMOLED | IPS LCD |
| Resolution | 1080x2392 | 1612x720 |
| Pixel density | 387 ppi+44% | 269 ppi |
| Refresh rate | 120 Hz+33% | 90 Hz |
| Peak brightness | 3,000 nits | — |
| Screen-to-body | 87.4 % | — |
Performance
| Spec | Nothing Phone (3a) | OPPO A78 5G |
|---|---|---|
| Chipset | Snapdragon 7s Gen 3 | MediaTek Dimensity 700 |
| AnTuTu 10 | 800,000+122%Top 61% | 360,000Top 88% |
| Geekbench 6 (single) | 1,150+58%Top 61% | 730Top 83% |
| Geekbench 6 (multi) | 3,250+71%Top 61% | 1,900Top 87% |
| 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 A78 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@30fps |
| Front camera | 32 MP+300% | 8 MP |
| OIS | Yes | No |
Battery
| Spec | Nothing Phone (3a) | OPPO A78 5G |
|---|---|---|
| Capacity | 5,000 mAh | 5,000 mAh |
| Wired charging | 50 W+52% | 33 W |
| Wireless charging | 0 W | — |
| Active use endurance | 11 h | — |
Design
| Spec | Nothing Phone (3a) | OPPO A78 5G |
|---|---|---|
| Weight | 201 g | 188 g+6% |
| Thickness | 8.4 mm | 8 mm+5% |
| IP rating | IP64 | IP54 |
| Frame material | Aluminum | Plastic |
Connectivity
| Spec | Nothing Phone (3a) | OPPO A78 5G |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | 5.4 | 5.3 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 2.0 |
| eSIM | Yes | No |
Software
| Spec | Nothing Phone (3a) | OPPO A78 5G |
|---|---|---|
| OS at launch | Android 15 (Nothing OS 3.1) | Android 13 (ColorOS 13) |
| OS update pledge | 3 years+50% | 2 years |
Audio
| Spec | Nothing Phone (3a) | OPPO A78 5G |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | Yes |