The Galaxy S26 may be significantly faster than the S25 due to an upgraded component.

The Galaxy S26 might support the latest storage tech.
The Galaxy S26 line of phones will probably feature UFS 4.1 storage. | Image Credit - Micron
The updated technology should improve data access speeds and reduce lag, which should make smartphones react faster. This will be very useful for AI applications, since the phone will process responses, edit images, and translate text faster. This is due to the increased read and write speeds of the storage.
Micron's UFS 4.1 modules are also more compact, so they will take up less space while providing the same storage capacity.
The Galaxy S26 series could be the first major flagship series to use the new technology, giving it a clear advantage over the Pixel 10 series, which used UFS 4.0 even though UFS 4.1 was available. This enhancement, along with a customized version of the Qualcomm processor, could make the Galaxy S26 a performance leader.
Samsung will probably combine these changes with the latest RAM technology, which will improve responsiveness while also being more energy efficient. This 1γ LPDDR5X technology will also come in smaller packages.
The smaller memory chips could allow for more space for other parts. It is unlikely that Samsung will use the extra space for a bigger battery, at least not in the Galaxy S26 Ultra. However, the increased power and efficiency, along with faster charging, might compensate for the battery size remaining the same.
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