VNET vs EQIX vs DLR vs IRM vs AMT

For growth investors, Iron Mountain Incorporated (IRM) is the stronger pick with 12.

2% revenue growth year-over-year, versus 5. 1% for American Tower Corporation (AMT). American Tower Corporation (AMT) offers the better valuation at 33. 3x trailing P/E (27. 4x forward), making it the more compelling value choice. Analysts rate VNET Group, Inc. (VNET) a "Buy" — based on 16 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, American Tower Corporation (AMT) is the cheapest at 33.

3x versus Iron Mountain Incorporated at 258. 7x. On forward P/E, American Tower Corporation is actually cheaper at 27. 4x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Equinix, Inc. wins at 2. 34x versus American Tower Corporation's 3. 76x.

Over the past 5 years, Iron Mountain Incorporated (IRM) delivered a total return of +240.

1%, compared to -65. 1% for VNET Group, Inc. (VNET). Over 10 years, the gap is even starker: IRM returned +298. 8% versus VNET's -36. 8%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), American Tower Corporation (AMT) is the lower-risk stock at -0.

04β versus VNET Group, Inc. 's 2. 70β — meaning VNET is approximately -7305% more volatile than AMT relative to the S&P 500. On balance sheet safety, Digital Realty Trust, Inc. (DLR) carries a lower debt/equity ratio of 97% versus 4% for American Tower Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Iron Mountain Incorporated (IRM) is pulling ahead at 12.

2% versus 5. 1% for American Tower Corporation (AMT). On earnings-per-share growth, the picture is similar: Digital Realty Trust, Inc. grew EPS 122. 4% year-over-year, compared to -19. 7% for Iron Mountain Incorporated. Over a 3-year CAGR, IRM leads at 10. 6% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

American Tower Corporation (AMT) is the more profitable company, earning 23.

8% net margin versus 2. 1% for Iron Mountain Incorporated — meaning it keeps 23. 8% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: AMT leads at 45. 8% versus 8. 1% for VNET. At the gross margin level — before operating expenses — AMT leads at 73. 7%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Equinix, Inc. (EQIX) is the more undervalued stock at a PEG of 2. 34x versus American Tower Corporation's 3. 76x. Both stocks trade at elevated growth-adjusted valuations, so expected growth needs to materialise. On forward earnings alone, American Tower Corporation (AMT) trades at 27. 4x forward P/E versus 96. 3x for Digital Realty Trust, Inc. — 68. 9x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for VNET: 162. 8% to $23. 55.

In this comparison, AMT (3.

7% yield), DLR (2. 5% yield), IRM (2. 4% yield), EQIX (1. 8% yield) pay a dividend. VNET does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, American Tower Corporation (AMT) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β -0.

04), 3. 7% yield, +113. 8% 10Y return). VNET Group, Inc. (VNET) carries a higher beta of 2. 70 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (AMT: +113. 8%, VNET: -36. 8%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (VNET (Technology) and EQIX (Real Estate) and DLR (Real Estate) and IRM (Real Estate) and AMT (Real Estate)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: VNET is a small-cap quality compounder stock; EQIX is a mid-cap quality compounder stock; DLR is a mid-cap quality compounder stock; IRM is a mid-cap quality compounder stock; AMT is a mid-cap income-oriented stock. EQIX, DLR, IRM, AMT pay a dividend while VNET does not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.