How Will Amazon and Alphabet Handle Custom Silicon Efficiency and Grid Access Now? Alex Sirois Mon, November 9, 2026 at 7:15 AM EST 5 min read AMZN +2.88% GOOG +2.39% Explore stocks on Coinbase Trading disclosure Trading disclosure The above button links to Coinbase. Yahoo Finance is not a broker-dealer or investment adviser and does not offer securities or cryptocurrencies for sale or facilitate trading. Coinbase pays us for certain activity generated through this link. Prices displayed are informational.
Amazon keeps Trainium savings inside AWS margins, while Google sells TPU systems directly and saw Cloud revenue more than double.
Google's free cash flow fell to negative $9 billion, and Alphabet raised $29 billion in notes plus equity sales to fund its buildout.
Andy Jassy said neocloud capacity runs about 3,500 basis points worse in operating margin than long-leased data centers.
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Amazon (NASDAQ:AMZN) and Alphabet (NASDAQ:GOOGL) reported third-quarter results a day apart in late October, and both quarters ran on homegrown chips. AWS used Trainium and Graviton to post its fastest growth in nearly five years. Google Cloud more than doubled, and TPU systems became a product Google sells directly. Both companies now need much more power to keep growing.
AWS revenue reached $45.98 billion, up 39%, with a 38.7% operating margin. Management linked part of that margin to custom silicon savings. Management said customers using Amazon's chips saved more than $2 billion in Q3 alone. Trainium revenue commitments rose more than 20x. Most of Bedrock already runs on Trainium, so Amazon keeps those savings as AWS profit.
Google Cloud revenue hit $30.71 billion, up 103%, and operating income rose to $11.12 billion from $3.59 billion. That jump coincided with strong demand for TPU systems. CEO Sundar Pichai cited "strong demand for our TPU systems across a wide range of customers."
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Amazon said large customers reserve hundreds of megawatts or up to a gigawatt of capacity in advance, though it did not give a utility timeline or megawatt allocation. CEO Andy Jassy said neocloud capacity runs about 3,500 basis points worse in operating margin than long-leased data centers. Owning or long-leasing sites can give Amazon more control over its power connections. Amazon also listed energy prices as a risk and committed $1 billion to U.S. data center communities.
Google's pressure shows up in its cash flow. Free cash flow fell to negative $9.06 billion, and Alphabet raised $28.7 billion in notes on top of equity sold through its at-the-market (ATM) program. Google has also used demand-response arrangements that let utilities reduce data center load during peak periods. That flexibility helps, but debt and share dilution are paying for the power-hungry buildout. All of that capacity has to be powered and cooled by someone, and we pulled seven of those suppliers into a free report here.
The focus will be on whether Amazon's roughly $220 billion in 2026 capex keeps reducing payback periods as management promised. You should keep an eye on whether TPU sales can cover Google's rising interest costs. Alphabet's GAAP EPS of $2.12 missed the $2.97 estimate. An equity securities loss accounted for $0.55 of that shortfall.
Amazon rose 7.88% over the past week, and Alphabet fell 18.75% over the past month, though those windows are not comparable. Amazon's model holds a structural edge because its Trainium savings stay inside AWS margins, and its owned and leased sites give it more control over power. Google is growing faster, but it is funding that growth with debt and dilution. That edge would narrow if Google's free cash flow turns positive while Cloud keeps doubling.
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