Ascend's 2027 shipment forecast: three scenarios and the yield line that picks one

• 2.8–3.0MAscend chips quoted for 2027 — a near doubling that is a yield forecast, not a demand forecast
• 65–67%die yield next year the neutral case rests on, from 40–50% today; TSMC's N+1 sits near 80%
• 50,000chips gained or lost per single point of yield on a 5 million die base

The forecast that will be quoted in February puts Ascend shipments at 2.8 to 3.0 million chips in 2027, close to double the 1.2 to 1.6 million expected for 2026. Reading it as a demand forecast is the mistake the market keeps making. Demand already converted: the doubling is a statement about how fast one process curve can climb.

Where the count begins

The ASML immersion tools that have reached mainland China support roughly 200,000 twelve-inch wafers a year, about 5 million chips before yield at current die sizes and 2 to 3 million after the usual losses. Kunpeng, Hygon and Cambricon draw from the same advanced lines, which puts the Ascend share near 1.2 million. A second count, of all die starts on domestic advanced lines, brackets the same supply from the other end: 4 to 5 million starts, around 4 million good dies, 3 to 4 million soberly.

The line that picks the year

Domestic advanced logic runs at 40 to 50% yield on the nodes that matter. The realistic path takes it above 60% in 2027, with 65 to 67% as the reference band and 70% the ceiling worth modelling; TSMC's N+1 process is understood to run near 80%, which is what a mature line looks like. On a 5 million die base, one point of yield is 50,000 chips — more than the entire first-quarter delivery of the 950DT. A plant in southern China has spent eight years on this climb and runs 40 to 60% today; the meaningful domestic capacity improvement is dated to 2028.

Three versions of 2027

The table hides a gap. Nominal capacity in 2027, if yield improves on schedule, releases 3 to 3.5 million dies, but the same lines still carry Kunpeng, Hygon and Cambricon, and a 300,000 to 500,000 chip shortfall opens between what the lines can theoretically produce and what customers receive. Real deliveries land nearer 2.6 to 2.7 million in the neutral case and 2.4 to 2.5 million in the conservative one. On the buyer side, internet companies took 40 to 50% of 2026 shipments with a path to 50 to 60%, state buyers eased from 30 to 40% to 25 to 30% while their absolute purchases kept growing, and DeepSeek's reported 160,000-chip 950DT programme meets deliveries of 70,000 to 80,000 across late 2026 and early 2027.

Three things to check before the year turns

Fourth-quarter and first-quarter delivery numbers, where 70,000 to 80,000 chips is the honest read and anything above 100,000 means the curve is steeper than expected. Whether the memory contracts are signed before Spring Festival, because a delay pushes the 2027 build into the second half. And the yield commentary that leaks from the packaging and test houses, which see the good die rate before anyone publishes it.

This page is the public data companion to Two Tides Issue 007. The complete argument, including the rack roadmap and the second-hand price readout, is the issue in the letter.