Between the Phone (3a) Pro and Nord 4, the Phone (3a) Pro comes out ahead in front camera and screen size, while the Nord 4 wins on wired charging and antutu. Overall, the Phone (3a) Pro scores 63.8 and the Nord 4 scores 65.8 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (63.8 vs 65.8). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.
Pick the Phone (3a) Pro if you photograph or shoot video regularly and want the better imaging pipeline of the two. The biggest gaps in its favor are front camera, screen size.
Pick the Nord 4 if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. Its strongest claims are wired charging, antutu, pixel density, among others.
Both ship with comparable ram, main camera, refresh rate, so those specs don't separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Nothing - Phone (3a) Pro wins
- ▲Front camera — 212.50% more. 50 MP vs 16 MP.
- ▲Screen size — 0.45% more. 6.77 " vs 6.74 ".
Why OnePlus - Nord 4 wins
- ▲Wired charging — 100.00% more. 100 W vs 50 W.
- ▲AnTuTu — 27.06% more. 1080000 vs 850000.
- ▲Pixel density — 16.28% more. 450 ppi vs 387 ppi.
- ▲Weight — 11.50 g less. 199.5 vs 211.
- ▲Battery capacity — 10.00% more. 5500 mAh vs 5000 mAh.
- ▲Water resistance: IP65 (vs IP64).
- ▲Promised OS updates: 4 (vs 3).
Spec comparison
Design
| Spec | Nothing - Phone (3a) Pro | OnePlus - Nord 4 |
|---|---|---|
| Weight | 211 g | 199.5 glead |
| Thickness | 8.4 mm | 8.0 mmlead |
| Water resistanceⓘ | IP64 | IP65lead |
| Form factor | bar | bar |
Display
| Spec | Nothing - Phone (3a) Pro | OnePlus - Nord 4 |
|---|---|---|
| Screen sizeⓘ | 6.77 "lead | 6.74 " |
| Pixel densityⓘ | 387 ppi | 450 ppilead |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 3000 nitslead | 2150 nits |
Performance
Cameras
| Spec | Nothing - Phone (3a) Pro | OnePlus - Nord 4 |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 50 MPlead | 16 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Nothing - Phone (3a) Pro | OnePlus - Nord 4 |
|---|---|---|
| Battery capacity | 5000 mAh | 5500 mAhlead |
| Wired chargingⓘ | 50 W | 100 Wlead |
| Wireless chargingⓘ | 0 W | 0 W |
Connectivity
| Spec | Nothing - Phone (3a) Pro | OnePlus - Nord 4 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Nothing - Phone (3a) Pro | OnePlus - Nord 4 |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 3 years | 4 yearslead |
Frequently asked
Which has better battery, Phone (3a) Pro or Nord 4?+
Nord 4 has 10.0% more battery — 5000 mAh vs 5500 mAh.
Which is lighter, Phone (3a) Pro or Nord 4?+
Nord 4 is 12g lighter — 211g vs 199.5g.
Is Phone (3a) Pro waterproof?+
Phone (3a) Pro has an IP64 rating.
Does Nord 4 support 5G?+
Yes, Nord 4 supports 5G.
Which has a better camera, Phone (3a) Pro or Nord 4?+
Nord 4 has a 50 MP main camera vs 50 MP.
Spec-level deep dives
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