Samsung Chip Workers Plot Exit as SK Hynix Pays $476K

81.5% of Samsung foundry employees told the company’s labor union in June they wanted to move to another company within two years, a warning that the Samsung chip workers exodus to SK Hynix is now a strategic problem, not just a pay dispute.

An engineer identified as Lee told MIT Technology Review that he used to stay late at Samsung’s semiconductor division. Now he clocks out on time to work on applications to SK Hynix, the South Korean rival riding record profits from high-bandwidth memory, or HBM, chips used in Nvidia AI accelerators.

“My team lead tells us all to jump ship to SK Hynix,” Lee says.

XOOMAR readers have seen Samsung show up in other contexts, including Samsung QD-OLED Monitor Crashes Below $300 in Rare Deal and Samsung Wallet Stablecoin Push Puts Banks on Notice. This story sits closer to the core of Samsung’s AI problem: whether it can keep the engineers needed to close the HBM gap.

Samsung chip workers are reading the $476,000 bonus as a signal

The headline number is brutal. SK Hynix is set to pay employees $476,000 each this year, mostly in cash, after agreeing last year to pay out 10% of operating profits to employees. Samsung struck its own deal in May after prolonged labor negotiations: 10.5% of the semiconductor division’s operating profits annually for 10 years, mostly in company stock that vests over three years.

That sounds competitive until the divisions split apart.

Samsung memory workers are set to receive roughly $400,000 each this year. Foundry workers like Lee, whose division manufactures logic chips designed by companies such as Tesla and Google and has been operating at a loss, are getting roughly $135,000.

Samsung told employees, according to MIT Technology Review, that it can’t pay as much to divisions that aren’t performing well. Lee’s response shows the morale damage.

“Even if Samsung does well in the future, I don’t think any of it will trickle down to me.”

XOOMAR analysis: that sentence matters more than the rejected applications. It suggests some Samsung chip workers no longer see Samsung’s future upside as their own upside.

SK Hynix has turned HBM leadership into a recruiting weapon

SK Hynix used to sit behind Samsung in prestige. MIT Technology Review reports that elite engineering students historically looked past it for Samsung. The HBM cycle flipped that hierarchy.

In 2019, Samsung downsized its HBM team, betting the market would remain niche. SK Hynix doubled down. Then the AI boom drove demand for HBM, which feeds AI chips huge volumes of data at ultra-high speed. SK Hynix now leads the global HBM market, while Samsung is playing catch-up.

The recruiting effect is visible inside Samsung teams. Lee said:

“Except for our two team leads, my entire team [of 30 people] just applied to SK Hynix.”

Lee had worked at Samsung for three years and even applied for an entry-level role at SK Hynix. A coworker with eight years at Samsung applied for the same role. Both were rejected, but both are waiting for a more experienced opening.

This is how momentum compounds. Engineers talk. They compare application language, bonus structures, project status, and promotion odds. On Blind, the anonymous workplace forum, MIT Technology Review says disgruntled Samsung engineers have been discussing the desire to move to SK Hynix for bigger bonuses.

Baek, a manager at SK Hynix, described the strategy bluntly:

“[SK Hynix] seems to target Samsung engineers when hiring because it’s a rival,” says Baek. “From what I heard internally, the big performance bonuses we got were aimed at luring away talent from our competitor.”

The $1 trillion market value moment changed the prestige math

Both Samsung and SK Hynix topped $1 trillion in market value in May, according to the source material. In June, SK Hynix briefly dethroned Samsung as South Korea’s most valuable company.

That matters because engineers don’t only chase cash. They chase the projects that look central to the next computing cycle. Right now, HBM has that aura.

The MIT report does not provide a specific HBM market share percentage for SK Hynix, nor does it provide detailed customer qualification data for Samsung with major AI accelerator buyers. But it does establish the core competitive shift: SK Hynix leads the global HBM market, while Samsung is trying to catch up after underinvesting in HBM earlier.

The labor data points sharpen the picture:

• 81.5%: Samsung foundry employees surveyed by the labor union who said they wanted to move to another company within two years.
• Nearly half: Semiconductor division employees overall who said they wanted to leave within that timeframe.
• More than 200: Samsung union members who had left for SK Hynix over four months, according to Samsung labor union chief Choi Seung-ho in April.
• 2,152: Employees SK Hynix added in the first half of 2026.
• 60,000: Employees Samsung plans to hire over the next five years, especially for semiconductors.
• 54,000: Projected worker shortage in South Korea’s semiconductor industry by 2031, according to the Korea Semiconductor Industry Association.

That shortage makes every departure more expensive. Losing trained engineers during a capacity race is not a normal attrition problem. It’s a constraint on execution.

Samsung’s foundry weakness could hit its HBM4 advantage

The most important twist is that Samsung still has a structural advantage SK Hynix lacks: it owns a foundry business.

Park Jun-young, a semiconductor expert at the Industrial Anthropology Laboratory and a former Samsung employee of 10 years, told MIT Technology Review:

“Samsung is the only memory maker in the world that owns a foundry business.”

That matters for HBM4, the latest generation referenced in the source. HBM stacks include a logic chip at the base, and MIT Technology Review reports that this chip must be manufactured with advanced foundry processes. Samsung can do that in-house. SK Hynix outsources that work to TSMC.

Park warned that losing foundry engineers could weaken Samsung’s ability to connect its memory and foundry teams:

“If Samsung keeps losing engineers in the foundry … the collaboration between memory division and foundry division could become difficult,” says Park. “SK Hynix, which used to have only a memory team and is now hiring foundry engineers, could do better research on HBMs.”

XOOMAR analysis: this is the core risk for Samsung. The foundry division may be paying smaller bonuses because it is losing money, but its engineering base could be critical to the very HBM4 strategy Samsung needs to regain AI memory credibility.

Courts are now part of the Samsung-SK Hynix talent war

The dispute has already moved beyond recruiting.

In July, Samsung won an injunction barring two former chip workers from working at SK Hynix for 18 months, on the grounds that chips are a national core technology deserving protection.

“With competition in the semiconductor industry fierce, it’s necessary to establish a fair market order,” the court ruled.

That ruling shows how South Korea’s semiconductor labor market is becoming a national competitiveness issue. The companies are not only fighting over bonuses. They are fighting over accumulated know-how inside a constrained labor pool.

The scale of planned investment raises the stakes. Samsung and SK Hynix unveiled plans last month to invest more than $2 trillion by 2040, including a semiconductor “mega-cluster” in Yongin, south of Seoul. SK Hynix aims to double manufacturing capacity in five years. Samsung plans mass hiring.

But hiring plans don’t solve morale if key engineers believe the better technical and financial path sits across town.

Samsung’s next test is whether engineers believe the HBM reset will pay them

Samsung can still fight back. It has scale, capital, a memory business that is also benefiting from HBM, and the foundry-memory combination that could matter more as HBM4 ramps. The question is whether those strengths translate into credible incentives for the people doing the work.

Near-term evidence to watch is practical: targeted retention packages, faster internal mobility into HBM-related work, stronger rewards for foundry engineers tied to HBM4 collaboration, and fewer signals that divisional losses cap individual upside even when the broader semiconductor strategy succeeds.

SK Hynix has the easier story right now: HBM leadership, cash bonuses, hiring momentum, and prestige that has caught up with the AI cycle. Samsung’s harder task is to convince engineers that staying offers more than loyalty to an old champion.

The next phase of the AI memory fight won’t be decided only by fab capacity or customer wins. It will also be decided by which company persuades its best engineers that their hardest work will actually show up in their pay, status, and future projects.

The Bottom Line

• Samsung risks losing key engineers just as it needs to close the HBM gap for AI chips.
• SK Hynix’s profit-sharing model is becoming a recruiting advantage in South Korea’s chip war.
• The pay gap inside Samsung may deepen morale problems between its memory and foundry divisions.