Between the Nord 4 and OnePlus Open 2, the Nord 4 comes out ahead in weight and wired charging, while the OnePlus Open 2 wins on antutu and front camera. Overall, the Nord 4 scores 65.8 and the OnePlus Open 2 scores 74.5 on our Mars Score.
Which should you buy?
The OnePlus Open 2 is the clear pick on raw spec strength, leading by 8.7 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
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. The biggest gaps in its favor are weight, wired charging, pixel density.
Pick the OnePlus Open 2 if you photograph or shoot video regularly and want the better imaging pipeline of the two. Its strongest claims are antutu, front camera, ram, among others.
Both ship with comparable main camera, refresh rate, 5g support, so those specs don't separate the two — focus on the differences below.
Bottom line: the OnePlus Open 2 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why OnePlus - Nord 4 wins
- ▲Weight — 39.50 g less. 199.5 vs 239.
- ▲Wired charging — 25.00% more. 100 W vs 80 W.
- ▲Pixel density — 11.94% more. 450 ppi vs 402 ppi.
Why OnePlus Open 2 wins
- ▲AnTuTu — 148.15% more. 2680000 vs 1080000.
- ▲Front camera — 100.00% more. 32 MP vs 16 MP.
- ▲RAM — 33.33% more. 16 GB vs 12 GB.
- ▲Screen size — 18.69% more. 8.0 " vs 6.74 ".
- ▲Battery capacity — 3.64% more. 5700 mAh vs 5500 mAh.
- ▲Water resistance: IP68 (vs IP65).
- ▲Wireless charging: 50 W vs 0 W.
Spec comparison
Design
| Spec | OnePlus - Nord 4 | OnePlus Open 2 |
|---|---|---|
| Weight | 199.5 glead | 239 g |
| Thickness | 8.0 mmlead | 11.7 mm |
| Water resistanceⓘ | IP65 | IP68lead |
| Form factor | bar | foldable_booklead |
Display
| Spec | OnePlus - Nord 4 | OnePlus Open 2 |
|---|---|---|
| Screen sizeⓘ | 6.74 " | 8.0 "lead |
| Pixel densityⓘ | 450 ppilead | 402 ppi |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 2150 nits | 4500 nitslead |
Performance
Cameras
| Spec | OnePlus - Nord 4 | OnePlus Open 2 |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 16 MP | 32 MPlead |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | OnePlus - Nord 4 | OnePlus Open 2 |
|---|---|---|
| Battery capacity | 5500 mAh | 5700 mAhlead |
| Wired chargingⓘ | 100 Wlead | 80 W |
| Wireless chargingⓘ | 0 W | 50 Wlead |
Connectivity
| Spec | OnePlus - Nord 4 | OnePlus Open 2 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | OnePlus - Nord 4 | OnePlus Open 2 |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 4 years | 4 years |
Frequently asked
Which has better battery, Nord 4 or OnePlus Open 2?+
OnePlus Open 2 has 3.6% more battery — 5500 mAh vs 5700 mAh.
Which is lighter, Nord 4 or OnePlus Open 2?+
Nord 4 is 40g lighter — 199.5g vs 239g.
Is Nord 4 waterproof?+
Nord 4 has an IP65 rating.
Does OnePlus Open 2 support 5G?+
Yes, OnePlus Open 2 supports 5G.
Which has more RAM, Nord 4 or OnePlus Open 2?+
OnePlus Open 2 offers 16GB of RAM.
Which has a better camera, Nord 4 or OnePlus Open 2?+
OnePlus Open 2 has a 50 MP main camera vs 50 MP.
Spec-level deep dives
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