Advanced Micro Devices vs Arm Holdings Plc /uk (AMD vs ARM)
Side by side from their SEC filings: revenue, margins, growth, returns and valuation, plus short interest, insider activity and institutional ownership.
Advanced Micro Devices is the larger company by revenue ($34.6B vs $4.9B) and market value ($750.3B vs $250.8B). Advanced Micro Devices has grown revenue faster over the last 4 fiscal years (+110.8% cumulative vs +82.0%). Arm Holdings Plc /uk runs the higher operating margin (18.3% vs 10.7%). Advanced Micro Devices trades at the lower trailing P/E (120.6x vs 244.6x).
About Advanced Micro Devices
Advanced Micro Devices Inc (AMD) designs and manufactures high-performance computing products including CPUs, GPUs, APUs, and SoCs for various markets. Its products serve data centers, client computing, gaming, and embedded systems, providing solutions for AI infrastructure, cloud computing, gaming, and industrial applications. AMD also develops software stacks and offers customized solutions to support AI and high-performance computing workloads.
About Arm Holdings Plc /uk
Arm Holdings plc designs, develops, and licenses high-performance, energy-efficient semiconductor technology, including CPU and GPU intellectual property, system IP, and compute subsystems. The company serves technology companies worldwide by providing a compute platform used in devices ranging from smartphones and PCs to data centers, automotive systems, and IoT devices. In 2026, Arm expanded its offerings to include production silicon products with the launch of the Arm AGI CPU.
Head to head (AMD FY2025 vs ARM FY2026)
| Metric | AMDFY2025 | ARMFY2026 |
|---|---|---|
| Revenue | $34.64B | $4.92B |
| Revenue growth (YoY) | 34.3% | 22.8% |
| Gross margin | 49.5% | — |
| Operating margin | 10.7% | 18.3% |
| Net margin | 12.5% | 18.4% |
| Net income | $4.33B | $904.0M |
| Diluted EPS | $2.65 | $0.85 |
| FCF margin | 19.4% | 19.9% |
| ROE | 6.9% | 10.9% |
| Long-term debt / equity | 0.04× | — |
| Market cap | $750.30B | $250.79B |
| P/E | 120.6× | 244.6× |
Fundamentals are from each company’s SEC filings (AMD FY2025, ARM FY2026). ROE is net income over fiscal-year-end equity; long-term debt / equity counts non-current term debt only. P/E and market cap are derived from stored market prices, last retrieved on a rolling basis and typically within the past week.
Five-year trend (as reported)
| AMD by fiscal year | FY2021 | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|---|
| Revenue | $16.43B | $23.60B | $22.68B | $25.79B | $34.64B |
| Net income | $3.16B | $1.32B | $854.0M | $1.64B | $4.33B |
| Operating margin | 22.2% | 5.4% | 1.8% | 7.4% | 10.7% |
| ARM by fiscal year | FY2022 | FY2023 | FY2024 | FY2025 | FY2026 |
|---|---|---|---|---|---|
| Revenue | $2.70B | $2.68B | $3.23B | $4.01B | $4.92B |
| Net income | $549.0M | $524.0M | $306.0M | $792.0M | $904.0M |
| Operating margin | 23.4% | 25.0% | 3.4% | 20.7% | 18.3% |
Advanced Micro Devices and Arm Holdings Plc /uk use different fiscal calendars (AMD's FY2025 ended 2025-12-27, ARM's FY2026 ended 2026-03-31), so their fiscal years are shown separately rather than forced into one timeline.
Peer standing
Where each company ranks among the 88 semiconductor companies, on the same scale. Each figure is ranked only against peers that report it. Percentiles describe position in the distribution, not a rating.
| Metric | AMD | ARM |
|---|---|---|
| Operating margin | 10.7%67th percentile of 79 | 18.3%79th percentile of 79 |
| Net margin | 12.5%71st percentile of 80 | 18.4%81st percentile of 80 |
| FCF margin | 19.4%75th percentile of 78 | 19.9%79th percentile of 78 |
| Revenue growth (YoY) | +34.3%80th percentile of 88 | +22.8%67th percentile of 88 |
| ROE | 6.9%60th percentile of 74 | 10.9%71st percentile of 74 |
| P/E | 120.6×91st percentile of 44 | 244.6×95th percentile of 44 |
| Short interest (days to cover) | 1.49d15th percentile of 88 | 4.12d72nd percentile of 88 |
Short interest
| FINRA settlement data | AMD | ARM |
|---|---|---|
| Shares sold short | 40.1M | 18.3M |
| Change vs prior settlement | +6.1% | +8.3% |
| Days to cover | 1.49 | 4.12 |
| As of settlement | 2026-08-14 | 2026-08-14 |
Source: FINRA Consolidated Short Interest. FINRA is the owner and source of the FINRA-supplied data; republishing or redistributing it is not permitted. Not presented as a percentage of float. No FINRA endorsement of this product is implied.
Insider activity (last 90 days)
| Form 4 activity (codes P/S) | AMD | ARM |
|---|---|---|
| Buys | 0 | 0 |
| Sells | 75 ($112.8M) | 1 ($2.7M) |
Non-derivative purchases (code P) and sales (code S) reported on SEC Form 4, which may be open-market or private (grants, exercises and tax withholding excluded). For context, about 15% of covered companies saw any reported insider purchase (code P) in a 90-day window.
Held by the same investors
9 tracked 13F managers hold both Advanced Micro Devices and Arm Holdings Plc /uk as of their latest quarterly filings: Bridgewater Associates, Citadel Advisors, D. E. Shaw, Duquesne Family Office, Gotham Asset Management, Maverick Capital, Millennium Management, Sands Capital Management, Two Sigma Investments. See which superinvestors hold your own portfolio with the smart money checker.
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Data sourced from SEC EDGAR. Figures are as-reported and may be unaudited or restated; verify against the source filings before relying on them. Comparisons are descriptive (higher or lower on a reported figure), not a rating or a recommendation. Informational only. Not investment advice.