Samsung is reportedly bringing a few thoughtful upgrades to the Galaxy S26 lineup, and one of them might be faster memory across the board. After bumping up charging speeds, a new leak now suggests the company is also focusing on performance improvements under the hood.
Last year’s Galaxy S25 series shipped with 12GB of LPDDR5X RAM by default, and the same configuration is expected to return this time. However, the key change could be speed.

According to tipster Ice Universe on X, every Galaxy S26 model will come with the highest-spec 12GB LPDDR5X RAM running at 10.7Gbps. For comparison, the LPDDR5X memory in the S25 lineup topped out at 8.5Gbps, so this would be a notable jump in bandwidth.
16GB will be exclusive to the Galaxy S26 Ultra
Samsung recently announced its next-generation LPDDR6 RAM, which also runs at 10.7Gbps. However, the new standard offers more I/O channels and a dynamic power management system that reportedly reduces power consumption by about 21 percent.
Samsung is expected to showcase this technology at the CES 2026. However, based on early leaks, LPDDR6 memory seems like a distant dream for the S26 series.

In addition, another leaker who goes by Schrodinger claims the Galaxy S26 Ultra will come with a 16GB RAM variant exclusive to that model.
The Galaxy S25 Ultra also offered a 16GB version, but it was limited to select regions—South Korea, China, Taiwan, and Hong Kong—and only available with the 1TB storage option.
If Samsung follows a similar strategy this year, the 16GB configuration could again remain tied to the top-tier storage model, and for certain regions.
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