One of the first things you need to ask yourself before choosing one of the models currently offered in the business is the type of opening desired.Indeed, know that the Samsung Galaxy Z Fold3 and the Microsoft Surface Duo 2 use the principle of opening as a book, the first with an external screen, which is not the case of the second.The Huawei Mate XS opens outwards, as if you were holding a book by the edge and you open it in front of a person (the screen of the Mate XS being turned towards you, of course).Finally, the Galaxy Z Flip3 offers a valve open opening, like the old Motorola Razr, for example.This taken into consideration, the uses are therefore not the same.Indeed, the smallest display surface is finally that offered by the Galaxy Z Flip3, but it has the particularity of presenting an ultra compact format once folded.

Samsung Galaxy Z Flip 3

buy at the best price

Who says big screen, says heavyweight

In the pocket, the weight is also important.The heaviest of our selection is the Huawei Mate XS with 300 grams on the scale followed by the Microsoft Surface Duo 2 which is 284 grams then the Galaxy Z Fold3 with 271 grams to finish with the Galaxy Z Flip3 with 183 grams, less thanthe average of conventional smartphones.The Microsoft Surface Duo 2 has two 5.3 -inch screens which gives once open, a total display surface of 8.3 inches on two non -foldable Amoled slabs as such.It benefits from a frequency of 90 Hz and HDR compatibility.

The Huawei Mate XS screen is well foldable, outside offering a total 8 -inch diagonal surface with a frequency of 60 Hz.

The Galaxy Z Fold 3 is equipped with two screens.The first is located outside making 6.2 inches diagonally while the second is foldable, inside offering an area of 7.6 inches still across.Both benefit from a frequency of 120 Hz.This is also the case of the screen of the Galaxy Z Flip3 which stretches over 6.7 inches once completely unfolded.Another small screen is also available, outside, this time measuring 1.9 inch.

Samsung Galaxy Z Fold 3

buy at the best price

Which one is the most efficient?

Technically, the Galaxy Z Flip3, Galaxy Z Fold3 and Surface Duo 2 are equipped with a Qualcomm Snapdragon 888 chip with 8 GB of RAM for the last two and 12 GB of RAM for the first.The Huawei Mate XS takes on a Kirin 990 Soc with 8 GB of RAM, less efficient.It can support a memory card to extend the internal storage capacity.It is he who has the most important battery with 4500 mAh against 4450 mAh for the duo surface 2 and 4400 mAh for the Galaxy Z Fold3 to finish with the Galaxy Z Flip3 embarking on a capacity of 3300 mAh.The Huawei Mate XS is doing well by offering a faster charge speed than the others since supporting 55 wpped load watts against 25 watts maximum for competition.The Galaxy Z Fold3 has the advantage of being able to load wireless and offer the reversed load.

And for the photo, what's good?

For the photo part, it is the Huawei Mate XS which seems best armed for quality photos as much as we know that the brand is efficient in this area, especially on these flagships.It benefits from a configuration of 40+16+8 megapixels.

The microsoft surface duo 2 has a 12+12+16 megapixel configuration, one of 12 megapixels is a telephoto lens with the possibility of optically zooming 2x.The Galaxy Z Fold3 has the same sensors as the Galaxy S20, three 12 megapixel sensors.Also note the presence of an external 10 megapixel sensor and an innovative lens, under the internal screen, of 4 megapixels.

Finally, the Samsung Galaxy Z Flip3 has two 12 megapixel sensors outside and a 10 megapixel selfie lens.The two Samsung devices have the advantage of being certified IP68 therefore completely waterproof.

The Huawei Mate XS is equipped with an infrared transmitter to transform it into a universal remote control.All have fingerprint readers installed on one of the profiles for the owner's authentication.