South Korea-based chipmakers saw their shares in the mobile dynamic random access memory (DRAM) market edge down in the fourth quarter of 2014 from the previous three-month period, data showed Friday, due to the rising presence of the U.S.-based Micron Group.

Top tech giant Samsung Electronics Co. garnered 46.1 percent of the mobile DRAM market in the October-December period, down 4.6 percentage points from a quarter earlier, the data compiled by industry tracker DRAMeXchange showed. SK hynix Inc. took up 28 percent, up 0.4 percentage point over the cited period.

The combined share of Samsung and SK moved down 4.2 percentage points to 74.1 percent in the fourth quarter. In contrast, Micron saw its share jump 4.3 percentage points to 23.3 percent over the cited period, narrowing its gap with the No. 2 player.

DRAMeXchange said the expanded presence of SK and Micron, meanwhile, came as they were the main mobile DRAM suppliers for Apple Inc.'s iPhone lineup.

"The strong iPhone demand hence led to revenue growth for both companies," the researcher said. SK and Micron saw their revenue increase 5.2 percent and 27.8 percent, respectively, on-quarter in the October-December period. That of Samsung shed 5.2 percent over the cited period.

Taiwan-based Nanya Technology Corp. and Winbond Electronics Corp. followed with a market share of 1.8 percent and 0.9 percent, respectively, which all stood unchanged on-quarter, the data showed.

By: DocMemory
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