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OnePlus Open Size Comparison

By Aleksandar Anastasov

Published: Oct 19, 2023, 10:01 AM

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The first ever OnePlus foldable phone, the OnePlus Open, is here, and it comes with a design that strives to deliver the practicality of a phone that can unfold but in a thinner, lighter for factor. But size and weight is best measured when you put it into perspective, which is exactly what you will find here.

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OnePlus boasts that the OnePlus Open weighs as much as an iPhone 14 Pro Max, and while it does not have the title of the slimmest foldable phone, it is definitely leaning more towards that end of the spectrum than the Galaxy Z Folds of the world, for example.

Before we take a look at the size comparisons, we should note that OnePlus has given different thickness and weight for the two color variants, Emerald Dusk and Voyager Black. The Emerald Dusk color option is stated to be 239g in weight and 5.8mm thick when opened, while the Voyager Black is 245g and 5.9mm in comparison. When they are open, the numbers are 11.7mm vs 11.9mm.

OnePlus Open vs Galaxy Z Fold 5 vs Google Pixel Fold vs OPPO Find N2

Front view
Side view

OnePlus Open

Dimensions

6.04 x 5.63 x 0.23 inches

153.4 x 143.1 x 5.8 mm

Weight

8.43 oz (239 g)

Samsung Galaxy Z Fold 5

Dimensions

6.1 x 5.11 x 0.24 inches

154.9 x 129.9 x 6.1 mm

Weight

8.92 oz (253 g)

Google Pixel Fold

Dimensions

5.5 x 6.25 x 0.23 inches

139.7 x 158.7 x 5.8 mm

Weight

9.98 oz (283 g)

OPPO Find N2

Dimensions

5.2 x 5.53 x 0.29 inches

132.2 x 140.5 x 7.4 mm

Weight

8.36 oz (237 g)

OnePlus Open

Dimensions

6.04 x 5.63 x 0.23 inches

153.4 x 143.1 x 5.8 mm

Weight

8.43 oz (239 g)

Samsung Galaxy Z Fold 5

Dimensions

6.1 x 5.11 x 0.24 inches

154.9 x 129.9 x 6.1 mm

Weight

8.92 oz (253 g)

Google Pixel Fold

Dimensions

5.5 x 6.25 x 0.23 inches

139.7 x 158.7 x 5.8 mm

Weight

9.98 oz (283 g)

OPPO Find N2

Dimensions

5.2 x 5.53 x 0.29 inches

132.2 x 140.5 x 7.4 mm

Weight

8.36 oz (237 g)

Compare these and other phones using our Size Comparison tool.

Of course, we are first taking a look at the difference between the OnePlus Open's size and that of its main competitors — the other popular foldable phones. Keep in mind that the dimensions you are seeing above are for the open state of these phones.

The OnePlus Open comes with the more "TV" look that the Pixel Fold and OPPO Find N2 have, meaning it should feel natural to watch shows and movies on it thanks to the more standard aspect ratio.

Weight-wize, the only one that seems to be lighter here is the OPPO Find N2, which is technically the OnePlus' cousin since the two companies are merged together under the same umbrella. It seems the choice has been made for the OPPO option to be the more compact one.

OnePlus Open vs iPhone 15 Pro Max vs Galaxy S23 Ultra vs Google Pixel 7 Pro

Front view
Side view

OnePlus Open

Dimensions

6.04 x 5.63 x 0.23 inches

153.4 x 143.1 x 5.8 mm

Weight

8.43 oz (239 g)

Apple iPhone 15 Pro Max

Dimensions

6.3 x 3.02 x 0.32 inches

159.9 x 76.7 x 8.25 mm

Weight

7.80 oz (221 g)

Samsung Galaxy S23 Ultra

Dimensions

6.43 x 3.07 x 0.35 inches

163.3 x 78 x 8.9 mm

Weight

8.25 oz (234 g)

Google Pixel 7 Pro

Dimensions

6.41 x 3.02 x 0.35 inches

162.9 x 76.6 x 8.9 mm

Weight

7.48 oz (212 g)

OnePlus Open

Dimensions

6.04 x 5.63 x 0.23 inches

153.4 x 143.1 x 5.8 mm

Weight

8.43 oz (239 g)

Apple iPhone 15 Pro Max

Dimensions

6.3 x 3.02 x 0.32 inches

159.9 x 76.7 x 8.25 mm

Weight

7.80 oz (221 g)

Samsung Galaxy S23 Ultra

Dimensions

6.43 x 3.07 x 0.35 inches

163.3 x 78 x 8.9 mm

Weight

8.25 oz (234 g)

Google Pixel 7 Pro

Dimensions

6.41 x 3.02 x 0.35 inches

162.9 x 76.6 x 8.9 mm

Weight

7.48 oz (212 g)

Compare these and other phones using our Size Comparison tool.

And now, taking a look at how the OnePlus Open fairs against regular flagship phones, it seems it has some ways to go until it reaches the same weight. Still, the difference is so little when we place it next to these non-foldable phones that the feat in engineering and design is definitely impressive!

Not to mention that the OnePlus Open is actually shorter than all three of these phones, and not that much thicker given that we are talking about a foldable here.

OnePlus Open vs Honor Magic V2 (thinnest and lightest foldable so far)

Front view
Side view

OnePlus Open

Dimensions

6.04 x 5.63 x 0.23 inches

153.4 x 143.1 x 5.8 mm

Weight

8.43 oz (239 g)

Honor Magic V2

Dimensions

6.17 x 5.72 x 0.19 inches

156.7 x 145.4 x 4.7 mm

Weight

8.15 oz (231 g)

OnePlus Open

Dimensions

6.04 x 5.63 x 0.23 inches

153.4 x 143.1 x 5.8 mm

Weight

8.43 oz (239 g)

Honor Magic V2

Dimensions

6.17 x 5.72 x 0.19 inches

156.7 x 145.4 x 4.7 mm

Weight

8.15 oz (231 g)

See the full OnePlus Open vs Honor Magic V2 size comparison or compare them to other phones using our Size Comparison tool.

Now, even though it is currently available only in China, we cannot forget to mention the current crown holder of the thinnest/lightest foldable phone on the market, the Honor Magic V2. While the OnePlus Open comes close in terms of weight, 239g (Voyager Black) vs 231g, it is far from being as thin, with the Magic V2 measuring at 4.7mm of thickness vs the OnePlus Open's 5.8mm.

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Aleksandar is a tech enthusiast with a broad range of interests, from smartphones to space exploration. His curiosity extends to hands-on DIY experiments with his gadgets, and he enjoys switching between different brands to experience the latest innovations. Prior to joining PhoneArena, Aleksandar worked on the Google Art Project, digitizing valuable artworks and gaining diverse perspectives on technology. When he's not immersed in tech, Aleksandar is an outdoorsman who enjoys mountain hikes, wildlife photography, and nature conservation. His interests also extend to martial arts, running, and snowboarding, reflecting his dynamic approach to life and technology.