QMCO vs NVDA vs SMCI vs AMAT

For growth investors, NVIDIA Corporation (NVDA) is the stronger pick with 65.

5% revenue growth year-over-year, versus -12. 0% for Quantum Corporation (QMCO). Super Micro Computer, Inc. (SMCI) offers the better valuation at 20. 0x trailing P/E (15. 1x forward), making it the more compelling value choice. Analysts rate Quantum Corporation (QMCO) a "Buy" — based on 10 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, Super Micro Computer, Inc.

(SMCI) is the cheapest at 20. 0x versus Applied Materials, Inc. at 47. 4x. On forward P/E, Super Micro Computer, Inc. is actually cheaper at 15. 1x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Super Micro Computer, Inc. wins at 0. 25x versus Applied Materials, Inc. 's 2. 16x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, NVIDIA Corporation (NVDA) delivered a total return of +1329%, compared to -95.

1% for Quantum Corporation (QMCO). Over 10 years, the gap is even starker: NVDA returned +239. 0% versus QMCO's -87. 5%. 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), NVIDIA Corporation (NVDA) is the lower-risk stock at 1.

73β versus Quantum Corporation's 3. 49β — meaning QMCO is approximately 102% more volatile than NVDA relative to the S&P 500. On balance sheet safety, NVIDIA Corporation (NVDA) carries a lower debt/equity ratio of 7% versus 76% for Super Micro Computer, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), NVIDIA Corporation (NVDA) is pulling ahead at 65.

5% versus -12. 0% for Quantum Corporation (QMCO). On earnings-per-share growth, the picture is similar: NVIDIA Corporation grew EPS 66. 7% year-over-year, compared to -159. 9% for Quantum Corporation. Over a 3-year CAGR, NVDA leads at 100. 0% 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.

NVIDIA Corporation (NVDA) is the more profitable company, earning 55.

6% net margin versus -42. 0% for Quantum Corporation — meaning it keeps 55. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: NVDA leads at 60. 4% versus -15. 2% for QMCO. At the gross margin level — before operating expenses — NVDA leads at 71. 1%, 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, Super Micro Computer, Inc. (SMCI) is the more undervalued stock at a PEG of 0. 25x versus Applied Materials, Inc. 's 2. 16x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Super Micro Computer, Inc. (SMCI) trades at 15. 1x forward P/E versus 37. 1x for Applied Materials, Inc. — 21. 9x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for SMCI: 37. 7% to $46. 29.

In this comparison, AMAT (0.

4% yield) pays a dividend. QMCO, NVDA, SMCI do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Super Micro Computer, Inc.

(SMCI) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+1150% 10Y return). Quantum Corporation (QMCO) carries a higher beta of 3. 49 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (SMCI: +1150%, QMCO: -87. 5%), 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.

Both stocks operate in the Technology sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: QMCO is a small-cap quality compounder stock; NVDA is a mega-cap high-growth stock; SMCI is a mid-cap high-growth stock; AMAT is a large-cap quality compounder stock. 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.