ARM Vs. AMD: Who Is Going to Win the Agentic AI CPU Revival War?
AMD and Arm both just posted earnings that position them as the backbone of agentic AI computing, but their paths into the same data center could not be more different. One is booking record revenue while the other bets its…
AMD (NASDAQ:AMD | AMD Price Prediction) and Arm (NASDAQ:ARM) both delivered post-earnings updates that read like manifestos for the agentic AI CPU era. AMD posted record Q2 FY2026 revenue of $11.54B, up 50.1% year over year, powered by EPYC and Instinct. Arm’s Q1 FY2027 revenue rose 22.4% to $1.29B, but its story now hinges on a brand-new production chip aimed at the same workloads.
EPYC Muscle Meets a Brand-New Arm Silicon Bet
AMD’s Data Center segment reached $6.7 billion, or 58% of total revenue, up from 42% a year ago. Lisa Su said AMD hit fifth consecutive quarter of record server CPU revenue, with cloud and enterprise each growing more than 70%. The 6th Gen EPYC Venice, built on Zen 6 and 2nm, targets agentic workloads and delivers up to 3.3 times the performance per watt of leading Arm-based CPUs.
Arm is answering with its first internally designed data center chip. CEO Rene Haas said “Demand now exceeds $2 billion as we continue to add new customers, including multiple customers in the US and China” for the Arm AGI CPU. Neoverse shipments surpassed 1.5 billion cores, with the most recent 500 million shipped in nine months. Arm’s operating margin compressed to 7% from 11%, and EPS missed the $0.4038 consensus by 38.09%.
| Lens | AMD | Arm |
| Core bet | EPYC Venice plus Helios racks | Arm AGI CPU plus royalty leverage |
| Gross margin | 56% | High 30s to low 40s on first-gen AGI CPU |
| Anchor customers | OpenAI, Meta, Anthropic, Microsoft | Meta, NVIDIA Vera, Google Axion, AWS Graviton |
Two Very Different Paths Into the Same Data Center
AMD is a full-stack seller with pricing power. Helios racks bundle Venice CPUs, MI450 GPUs, and Pensando networking. Su said “Customer pull for Helios is very strong and tracking ahead of our initial forecasts”. Arm sits underneath almost every hyperscaler custom CPU, with roughly 50% CPU compute share among top hyperscalers. Producing its own silicon means Arm now competes with the same licensees it collects royalties from.
What I Am Watching Into Late 2026
Watch whether Helios yields hold as AMD ramps, and whether AMD’s guided Q3 revenue of roughly $13B, plus or minus $300M, translates into doubling of Data Center revenue in 2027. For Arm, the AGI CPU shipping by year end is critical, and the Qualcomm trial expected in Q4 2026 is a real overhang.
Why AMD Looks Like the Safer Agentic AI Bet Today
AMD looks like the safer agentic AI bet. Revenue is here now, margins are expanding, and AMD is up 191.26% year to date on results. Arm’s 326 trailing P/E and thin first-gen chip margins make it a believer’s stock. ARM’s 204.82% YTD run shows the market is already paying up for optionality on Arm becoming the default agentic CPU architecture. The safer choice is the company already booking the revenue.
If you want AI exposure beyond the chipmakers themselves, the power, cooling, and networking suppliers behind the data-center buildout are worth a look. We profiled seven of them in a free report you can grab here.
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Alex Sirois is a financial writer with experience spanning both retail and institutional investing. He has written for InvestorPlace and held roles at BNY Mellon and Bernstein, giving him a perspective that bridges Main Street portfolios and Wall Street analysis.
Alex holds an MBA from George Washington University and has built his career across multiple industries, including e-commerce, education, and translation — a breadth of experience that informs how he breaks down complex financial topics for everyday investors. His writing is conversational, actionable, and grounded in long-term, buy-and-hold investing principles.
At 247 Wall St., Alex focuses on delivering analysis that is both accessible and useful, with a clear emphasis on helping readers make more informed decisions with their money.
