Nothing Phone (4b) vs OPPO F31 5G
28.9Performance28.9
52.8Display55.2
42.6Camera30.7
49.7Battery79.8
65.3Features52
4 spec wins — Nothing Phone (4b)6 spec wins — OPPO F31 5G
InnoReviews verdict
OPPO F31 5G wins this phone face-off, 47 to 44.2, pulling ahead mainly in battery (+30) and display (+2). Nothing Phone (4b) 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 (4b)
- Stronger camera score: 43 vs 31
- Stronger features score: 65 vs 52
- 50% higher OS update pledge: 3 years vs 2 years
- 43% higher Peak brightness: 2,000 nits vs 1,400 nits
- Has NFC — the other doesn't
Reasons to pick the OPPO F31 5G
- Stronger battery score: 80 vs 50
- 142% higher Wired charging: 80 W vs 33 W
- 35% higher capacity: 7,000 mAh vs 5,200 mAh
- 12% lower weight: 185 g vs 210 g
Display
| Spec | Nothing Phone (4b) | OPPO F31 5G |
|---|---|---|
| Screen size | 6.77 ″+3% | 6.57 ″ |
| Panel type | AMOLED | AMOLED |
| Resolution | 1080x2344 | 2372x1080 |
| Pixel density | 381 ppi | 397 ppi+4% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 2,000 nits+43% | 1,400 nits |
| Screen-to-body | 87.4 % | 93 %+6% |
Performance
| Spec | Nothing Phone (4b) | OPPO F31 5G |
|---|---|---|
| Chipset | Snapdragon 6 Gen 4 | Dimensity 6300 |
| RAM (max) | 8 GB | 8 GB |
| Storage options | 128GB/256GB | 128GB / 256GB |
| Storage type | UFS 2.2 | UFS 2.2 |
Camera
| Spec | Nothing Phone (4b) | OPPO F31 5G |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | 8 MP | — |
| Max video | 4K@30fps | 1080p@60fps |
| Front camera | 16 MP | 16 MP |
| OIS | Yes | — |
Battery
| Spec | Nothing Phone (4b) | OPPO F31 5G |
|---|---|---|
| Capacity | 5,200 mAh | 7,000 mAh+35% |
| Wired charging | 33 W | 80 W+142% |
| Wireless charging | 0 W | — |
Design
| Spec | Nothing Phone (4b) | OPPO F31 5G |
|---|---|---|
| Weight | 210 g | 185 g+12% |
| Thickness | 8.6 mm | 8 mm+7% |
| IP rating | IP64 | IP66/IP68/IP69 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | Nothing Phone (4b) | OPPO F31 5G |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | 6.0 | 5.4 |
| NFC | Yes | No |
| USB | USB-C 2.0 | USB-C 2.0 |
| eSIM | — | No |
Software
| Spec | Nothing Phone (4b) | OPPO F31 5G |
|---|---|---|
| OS at launch | Android 16 (Nothing OS 4.1) | Android 15 (ColorOS 15) |
| OS update pledge | 3 years+50% | 2 years |
Audio
| Spec | Nothing Phone (4b) | OPPO F31 5G |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |