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For the first time since the original Galaxy S launched in 2010, Samsung's smartphone business is losing money — and the culprit isn't weak sales, but an AI-driven memory cost explosion that analysts have dubbed "RAMageddon."

In Q2 2026, Samsung's MX (Mobile eXperience) and Networks division posted an operating loss of 700–800 billion won (approximately $544–$545 million), its first quarterly operating loss since the division's inception . Even more striking, this loss came during a quarter when revenue from the same division actually grew, reaching 33.2 trillion won, driven by strong sales of the Galaxy S26 series and Galaxy A-series phones . The broader DX (Device eXperience) sector, which includes MX and home appliances, recorded an operating loss of 800 billion won on sales of 48 trillion won .

The 'RAMageddon' cause: AI eats the phone's lunch

The root cause is what analysts and media have termed "RAMageddon" or "chipflation" — an explosion in DRAM and NAND flash memory prices driven by insatiable AI server demand . AI data centers consume massive quantities of high-bandwidth memory (HBM) and server DRAM, tightening global memory supply dramatically. Samsung's own chip division (Device Solutions) has prioritized its far more profitable AI memory customers over supplying its phone unit at favorable prices .

The effect on a single smartphone is stark: For an $800 phone, the memory cost share reportedly doubled or more . Samsung's chip division posted a record 89.2 trillion won in operating profit in Q2 2026 — a 250-fold increase — while selling memory to its own mobile unit at market prices . Memory contract prices hit all-time highs, compressing margins across the industry, but hitting Samsung hardest because it consumes its own expensive memory .

The numbers: a tale of two divisions

Samsung's total operating profit jumped roughly 19-fold year-on-year to a record, making this the most extreme internal divergence in company history: the chip business posted its best quarter ever while the phone business posted its worst .

Metric	Q2 2026 Figure
Samsung total quarterly revenue	~171 trillion won
Samsung total operating profit	89.4–89.5 trillion won (record)
Device Solutions (chip division) operating profit	89.2 trillion won
MX & Networks operating loss	700–800 billion won
MX & Networks revenue	33.2 trillion won

Historical context: decades without a loss

Samsung's smartphone business had never recorded a quarterly operating loss since it launched the original Galaxy S in 2010. The broader mobile division navigated the 2014–2015 slowdown (when Samsung lost share to Chinese rivals), the 2016 Note 7 recall crisis, and the 2020–2021 pandemic supply chain disruption without slipping into the red . That decades-long streak ended in Q2 2026 not because of weak device sales, but because of an internal cost explosion that no previous crisis triggered .

Broader industry pressures

The mobile industry faces a structural margin squeeze: Memory makers (Samsung, SK Hynix, Micron) are allocating most new fab capacity to HBM and server DRAM, constraining supply for consumer DRAM and NAND . DRAM and NAND prices have risen to all-time highs, raising BOM costs for every smartphone maker. Competitors like Apple and Chinese OEMs face the same pressure, but Samsung is uniquely exposed because its own chip arm charges market rates to its mobile unit . Adding to the pressure, Chinese brands (Xiaomi, Oppo, Vivo) are gaining share in mid-range and premium segments, squeezing Samsung's volume and pricing power .

Leadership under fire

MX division president Roh Tae-moon (TM Roh) has faced mounting internal and external criticism . Employees sent protest emails questioning executive compensation — tens of billions of won in performance rewards — while the division posts its first loss . Critics argue Roh failed to diversify memory supply or hedge component costs despite early warnings in 2025 about price spikes . There are calls for Roh's replacement, with investors and analysts questioning whether he is the right leader given that the loss occurred despite record Galaxy S26 pre-sales . Roh is also criticized for lacking hardware innovation in the Galaxy S26 lineup, making it harder to justify price increases that could offset cost inflation .

Outlook and projected losses through 2028

According to Samsung Securities (the group's brokerage affiliate) and other analysts, the outlook is severe :

• FY 2026 full-year estimate: Revised from a prior estimate of 3.41 trillion won operating profit to an operating loss of 5.841 trillion won (approx. $3.89 billion) .
• FY 2027 estimate: The operating loss is forecast to widen to 15.209 trillion won (approx. $10.1 billion), which would exceed the DS (semiconductor) division's full-year loss during the 2023 chip downturn .
• Cumulative 2026–2028: The combined deficit for MX & Networks across the three years is projected at 24.287 trillion won (approx. $16 billion) .
• Chip supply constraints: Samsung warned on its Q2 earnings call that AI-driven memory shortages could extend into 2028, suggesting the mobile division's cost pressures will persist for years .

The business that was once Samsung's primary profit engine now faces an unprecedented depth of red ink, entirely driven by the AI boom's insatiable appetite for the same components that go into every Galaxy phone.