ChangXin Memory Technologies (CXMT), China’s largest DRAM producer, put a fifth-generation chip platform into mass production this week and told the World Manufacturing Convention in Hefei that its “process capability is now on par with the most advanced mass-produced nodes out there in the industry,” according to vice president Luo Xiaodong, in remarks reported by Reuters.

That claim has not been independently checked. Nobody outside CXMT has measured the new parts against Samsung, SK Hynix, or Micron, and the company is the only source for the comparison.

CXMT’s own website lists the technical specifics: an 11.95 nanometre active area half-pitch, a storage capacitor aspect ratio of 45 to 1, and a four-exposure patterning process to hit those numbers. Measured against an eight-gigabit baseline, CXMT quantifies the gain at 50 percent: more usable dies fit on every wafer built on the new platform than fit on one built using the fourth generation.

That 50 percent figure needs a caveat the announcement does not supply. A wafer’s die count is tallied before testing removes the defective chips, so it measures a ceiling rather than what actually ships. Yield, the number that determines whether a memory maker turns a profit, has not been disclosed.

The new platform already ships in two products: 24-gigabit LPDDR5X chips, the low-power memory phones and portable devices depend on, each storing half again as much data as CXMT’s earlier chips. The parts come in two package sizes, a 496-ball version and a 245-ball version, built for high-end and budget handsets respectively.

The timing matters more than the specs. Since 2022, US export controls have kept the newest chipmaking machines out of Chinese fabs, and CXMT says it got here anyway by leaning on computer modeling and partnerships with domestic toolmakers instead of the lithography gear its rivals rely on. Four-exposure patterning is the resulting workaround. Instead of printing fine features in a single advanced pass, the process runs coarser steps over and over until the pattern sharpens enough. That approach is slower and costlier than one-pass lithography, but it sidesteps the export license requirement entirely.

CXMT is positioning the platform as a fourth supply option for buyers who currently choose among three companies, none of them Chinese, and it is doing so into a memory shortage that has already reshaped hardware pricing this year. Roku, AMD, and T-Mobile have all raised prices or stretched financing terms because of memory costs. Insta360 reportedly put close to $300 million into memory purchases over a six-month stretch. A Western brand has already taken the bet on Chinese supply: Corsair added CXMT memory to its DDR5 kits in May, using the company’s fourth-generation chips.

Acer chief executive Jason Chen weighed in on the market on September 19, one day ahead of CXMT’s disclosure. Speaking to Taiwan’s Economic Daily News, he said component prices remain high and that supply still favors chip suppliers over buyers, even as he expects prices to peak by mid-2027. Chen argued the shortage cannot plausibly last until 2030 given the capacity coming online in China, a forecast that lines up with what CXMT is now claiming to ship.

CXMT has not answered the three questions that would actually settle its claim: true yield, a price low enough to undercut the incumbent suppliers, and whether regulators beyond China ever let their own manufacturers buy in at scale, the way telecom equipment eventually crossed that line. Until CXMT publishes yield data or a price sheet, treat the parity claim as a company’s marketing position rather than a verified benchmark, and watch whether more Western hardware brands follow Corsair’s lead in the next two quarters.

Reporting by The Next Web (Ana Maria Constantin), September 22, 2026, citing Reuters and CXMT’s own announcement.