- Revenue growth at Amazon Web Services has accelerated year over year for five quarters in a row.
- The unit recorded its highest profit margin since at least 2014.
- Sales came in just shy of analysts' estimates.
Amazon said revenue in its cloud unit increased 19% in the third quarter, just missing analyst estimates.
Revenue at Amazon Web Services totaled $27.45 billion, according to a statement Thursday, while Wall Street was expecting $27.52 billion, based on StreetAccount estimates. Year-over-year growth has accelerated for five consecutive quarters.
The artificial intelligence portion of AWS is in the billions of dollars in annualized revenue, more than doubling year over year, Amazon CEO Andy Jassy, who previously led AWS, said on a call with analysts.
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"I believe we have more demand than we could fulfill if we had even more capacity today," Jassy said. "I think pretty much everyone today has less capacity than they have demand for, and it's really primarily chips that are the area where companies could use more supply."
AWS leads the cloud infrastructure market over Google and Microsoft and is an important source of profit for Amazon.
On Tuesday, Google parent Alphabet said revenue from Google Cloud, which includes cloud applications as well as infrastructure, totaled $11.35 billion, up 35%. Microsoft said Wednesday that revenue from Azure and other cloud services grew 33%.
Money Report
AWS recorded $10.45 billion in operating income, representing 60% of its parent's profit. Analysts expected $9.15 billion.
The unit's operating margin came in at 38%, the widest for AWS since at least 2014. Google Cloud reported an operating margin of 17%.
"We're being very measured in our hiring," Brian Olsavsky, Amazon's finance chief, said on the call.
During the quarter, Oracle said it will bring database services to AWS.
"If this is successful, we would love to find more pieces of their application stack that could run well in AWS and help customers do that," AWS CEO Matt Garman told CNBC in a September interview.
Also in the quarter, AWS announced plans to discontinue some services, including code-repository tool CodeCommit. Garman told TechCrunch that AWS "can't invest in everything."
WATCH: Databricks drives more than $1 billion revenue on AWS, says Databricks' Naveen Rao
