Intel Q3 Earnings: AI Server Revenue Jumps 78% as the Stock Falls 21%

Intel's earnings on Thursday night carried one of the cleanest splits between a filing and a stock move this earnings season. Data center and AI revenue hit $7.3 billion in the third quarter, up 78% from a year earlier, the strongest data center growth Intel has posted in 15 years. The shares still fell more than 20% in extended trading, because the fourth quarter guidance published next to that number missed the Street by roughly $1.6 billion.

Take the two halves in order, because they point different directions. The quarter itself was, by the company's own arithmetic, an eighth consecutive beat: total revenue of $16.5 billion, up 21% from $13.7 billion a year ago, with non-GAAP earnings of $0.52 per share against guidance of $0.38 and a consensus around $0.40. On a GAAP basis, net income attributable to Intel was $3.3 billion, down 18%, mainly because the third quarter of 2025 carried large one-time interest and equity gains. None of that is what moved the tape.

Related reading: Vertiv stock jumps 13% after AI data center earnings beat.

The mover was guidance. Intel sees fourth quarter revenue of $15.0 billion to $16.0 billion, which lands the midpoint at $15.5 billion against an analyst consensus near $17.1 billion, and non-GAAP earnings of roughly $0.25 a share against an expected $0.43. That is a big air pocket for a stock that had more than doubled in 2026 before the print, and it explains the 21% after hours plunge and Thursday's close at $92.07.

Two forces sit behind the gap, and neither is the AI buildout. The first is memory. A shortage that began in 2025 has kept DRAM and HBM prices elevated all year, and Intel's chief financial officer said on the call that the squeeze is now suppressing PC unit demand: 2026 PC shipments are tracking about 12% below prior levels, with second half units down more than 20%, forcing system prices higher.

Related reading: Applied Digital Earnings: AI Data-Center Spending Tops $2 Billion.

Intel's client computing group pulled in $8.1 billion, down 5% year over year and 9% sequentially. The CFO described the PC slowdown as running through the first half of next year.

The second is an operational shock. An explosion at Intel's Fab 28 facility in Israel, which killed two workers and seriously injured a third, led to an extended shutdown on that line. Intel said the disruption will clip about $300 million of revenue and roughly 200 basis points of gross margin in the fourth quarter, with a similar hit in the first quarter of 2027, or about $600 million across the two quarters. The 10 nanometer server product that runs through Fab 28 is exactly the part of the business that should be accelerating.

Related reading: Celestica Q3 earnings: revenue up 83% to $5.83 billion, 2027 target raised to $40 billion.

Now the part of the filing that the headline buried. Intel's data center and AI group, or DCAI, grew revenue to $7.3 billion in the third quarter, up 17% sequentially and 78% from a year ago, and is now nearly as large as the PC division. Roughly half of the group's compute now sits on 18A, Intel's newest process node, which executives said is yielding at an industry-standard pace and ahead of plan. The company nudged its full year DCAI outlook to land about $10 billion above where it expected to finish 2026 when the year began.

That is the through-line for the AI trade. Intel and its industry partners are describing a market where demand is outrunning supply. Server CPU units industry-wide are expected to grow more than 30% in 2026 and again in 2027, and Intel says supply will stay constrained through 2027 and into 2028, held back by substrate capacity, memory availability and foundry output. When a chipmaker tells you it would sell more if it could physically make it, that is a pricing story as much as a volume story.

Related reading: Lam Research Posts Record Quarter but Supply Bottlenecks Cap the AI Chip Equipment Ceiling.

The money question is whether the spending that feeds this cycle is translating into profit for one of its loudest participants. Intel Foundry, the manufacturing arm that serves both Intel and outside customers, grew revenue 58% to $6.7 billion but still lost $1.85 billion in the quarter. Intel is on track for about $20 billion of 2026 gross capital expenditure, plans a strong step up in 2027, and its equipment purchase orders are up roughly 40% sequentially. The balance sheet carries about $54 billion in cash and short-term investments after a $23 billion equity offering in August, but the foundry's losses and that dilution are the cost of the 18A bet.

That is the honest trade-off in the numbers and the reason the two halves of this report do not reconcile into one clean story. The bullish read is that AI demand is genuinely broad, across hyperscalers, enterprise customers and the neocloud operators, and that Intel finally has an internally consistent process road map. The bearish read is that PC and memory weakness runs into early next year, foundry unit economics are still deeply negative, and the company keeps tapping equity to fund a buildout whose payoff is dated, not delivered.

The swing factor to watch is memory. When DRAM and HBM supplies normalize, PC units should recover and Intel's margin guide should loosen. That dynamic is why the record results at the memory makers feed straight back into Intel's outlook, and why the semiconductor AI trade is now a game of capacity and memory coordination as much as a game of acceleration. The substrate additions Intel has lined up and the progress through 18A are the second order signs to track.

For a date, the next clean read on this beat is the monthly revenue print from TSMC, usually early each month, the leading indicator for the whole AI semiconductor complex. Intel's own fourth quarter results arrive early next year, and between now and then every hyperscaler capex line and memory industry print re-prices the same constraint. What Thursday's tape priced in was not a failure of the AI business. It was a warning that the tailwind now runs through a supply chain that is the binding constraint, and that enjoying the demand does not mean owning the bottleneck.

Sources

Intel third quarter 2026 financial results press release (intc.com); Intel Q3 2026 earnings call and CFO commentary (CNBC, Oct 29 2026); Reuters via Yahoo Finance, Intel tops Q3 estimates but misses on Q4 outlook (Yahoo Finance, Oct 29 2026); CRN, Intel hits 15 year data center growth record but falls short (CRN, Oct 29 2026).

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