Samsung chip workers earn a third of what SK Hynix workers earn for the same job: same boom, very different paychecks. That gap is why 40,000 Samsung workers rallied Thursday at the Pyeongtaek complex, the largest labor demonstration in the company's history, and why their union set a May 21 strike date.
Samsung workers in chip manufacturing roles earn a base salary of 76 million won, then receive an annual bonus of 38 million won — half their base pay. Workers at SK Hynix, Samsung's closest competitor in AI memory, earn the same base. Their bonus is more than three times that figure, according to Reuters reporting. Both companies are printing record profits from the same AI infrastructure buildout. Only one is sharing it with the people who make it.
The union is demanding a 7% base salary increase, 15% of annual operating profit as bonus, the removal of a bonus cap currently set at 50% of annual base salary, and transparency in how bonuses are calculated. Per Reuters, Samsung's counteroffer includes a 7% base hike and more clarity on bonus calculations — but does not address the bonus cap. SK Hynix has already agreed to eliminate its own cap. Samsung has not.
Samsung cannot automate its way out of this. The Pyeongtaek complex is where the company manufactures the memory chips that go into AI servers — a production process that requires thousands of trained operators. If those operators walk, the fab stops. An 18-day strike would cost Samsung more than 1 trillion won per day, or roughly $676 million, per AP News. The company's Q1 2026 operating profit is forecast to reach a record 57.2 trillion won, or $38.6 billion, according to AP News. SK Hynix just posted 37.6 trillion won, or $25.4 billion, in Q1 operating profit — an all-time record for that company, per AP News. The workers notice. "The AI boom is very good to everyone," the union said in a statement. "Mostly everyone."
The timing is awkward for Samsung's management. The company is trying to close a 42-point gap in the market for HBM — high-bandwidth memory, the chips purpose-built for AI inference and training. SK Hynix holds 61% of that market; Samsung holds 19%, with Micron at 20%, according to Reuters. Samsung is betting heavily that it can claw back share with HBM4, the next generation of the technology. TrendForce has estimated that Samsung is allocating roughly half of its Pyeongtaek foundry capacity toward HBM4 base die production in 2026. That bet depends on the workers who just voted to walk.
Samsung's response will be instructive. The company can absorb the pay equity demands — its forecast Q1 operating profit alone is $38.6 billion, and the wage demands are a rounding error against that. But agreeing to scrap the bonus cap sets a precedent across Korean manufacturing. Refusing hands the union a 40,000-person rally, a confirmed strike date, and a workforce that knows exactly how much leverage it holds over a company trying to close a 42-point market share gap.
What happens next will determine whether the AI boom's labor model is "workers share in the upside" or "shareholders do." The May 21 deadline is real. The leverage is real. The question is whether Samsung's answer is to treat its workforce as a cost to minimize or the reason it can ship HBM4 at volume next year.