Which is better, MPWR or QBTS?

On the Buffett-Fit framework, Monolithic Power Systems, Inc. (MPWR) currently grades higher than QBTS — 61/100 (C grade) vs 20/100 (F). That said, "better" depends on which framework you trust — MPWR wins on Warren Buffett, Benjamin Graham, Philip Fisher, Peter Lynch, Joel Greenblatt, Charlie Munger, and Terry Smith; QBTS wins on none. The full pillar breakdown is on this page.

Should I buy MPWR or QBTS?

This page is an educational comparison, not investment advice. Both MPWR and QBTS are graded against the same Buffett 5-pillar framework (moat, earnings durability, management quality, financial health, valuation) plus six other documented investor frameworks. Read the side-by-side breakdown to see which one matches the criteria you care about most — and always do your own research before making any investment decision.

Is MPWR better than QBTS for value investing?

On the Buffett-style value-investing framework, MPWR currently grades higher — 61/100 vs 20/100, a 41-point gap. The gap is driven by which pillars each stock passes; the table on this page shows moat, durability, management, financial health, and valuation side-by-side.

What's the difference between MPWR and QBTS on Warren Buffett's framework?

Both stocks are evaluated on the same five pillars: economic moat (durable competitive advantage), earnings durability (consistent profitability), management quality (capital allocation), financial health (conservative balance sheet), and valuation (margin of safety). MPWR currently scores 61/100 (C grade); QBTS scores 20/100 (F grade). The "Where each wins" section on this page breaks down which pillar each stock dominates.

Which has the stronger moat, MPWR or QBTS?

Moat strength is one of the five pillars in the Buffett-Fit score on this page. MPWR and QBTS are each scored on ROIC sustainability, gross-margin durability, and qualitative signals like brand strength, switching costs, network effects, and regulatory barriers. The pillar breakdown on this page shows the moat sub-score side-by-side so you can see which one has the more durable competitive advantage.

Which is more undervalued, MPWR or QBTS?

Valuation is one of the five Buffett-Fit pillars on this page. Both stocks are scored on owner-earnings yield, price-to-intrinsic-value vs the underlying compounding rate, and the margin of safety relative to a conservative DCF. The valuation sub-score in the table below tells you which one currently trades at a more attractive price relative to its underlying business quality.

Are MPWR and QBTS both Technology stocks?

Yes — both Monolithic Power Systems, Inc. (MPWR) and D-Wave Quantum Inc. (QBTS) operate in the Technology sector. That makes this a direct sector-peer comparison, which is the apples-to-apples way to use the Buffett-Fit framework: the score weighs each stock against its sector's specific quality and valuation benchmarks (sector-relative bonus), so the cross-stock comparison isn't distorted by inter-sector base-rate differences.

Is this MPWR vs QBTS comparison investment advice?

No. This page is an educational pattern-match against documented public frameworks (Buffett, Graham, Fisher, Lynch, Greenblatt, Munger, Smith), not personalised investment advice. The scores reflect how closely each stock matches each framework's documented criteria — they are not buy/hold/sell recommendations. Always do your own research and consult a licensed financial adviser for personalised advice.

Stock comparison

Monolithic Power Systems

D-Wave Quantum

Scored across Buffett, Graham, Lynch and Greenblatt - plus a side-by-side metric table covering valuation, quality, growth and balance sheet.

MPWR

Market cap

$76.15B

Sector

Technology

QBTS

D-Wave Quantum

Market cap

$7.47B

Sector

Technology

Overall winner

Monolithic Power Systems MPWR

Wins on the combined sum of fit scores across all four strategies. Per-strategy breakdown below.

Fit scores by strategy

Strategy	MPWR	QBTS	Winner
Warren Buffett	61C	20F	MPWR
Benjamin Graham	80A	40D	MPWR
Philip Fisher

Side-by-side metrics

Metric	MPWR	QBTS
Market cap	$76.15B	$7.47B
P/E (TTM)	112.7x	-
EV/EBIT	103.1x	-
ROIC (TTM)	16.27%	-11.38%
Gross margin	55.18%	66.27%
Net margin	22.84%	-29.57%
Revenue CAGR 5y	23.29%

Where each one wins

The metrics with the biggest gap between the two - sorted so the most decisive edges read first.

MPWR leads on

ROIC (TTM)16.27%vs -11.38%+170%
Net margin22.84%vs -29.57%+101%
Debt / Equity-vs 0.0x+100%
Dividend yield0.43%vs 0.0%

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More like QBTS

QBTS vs FICO

Related on invest-like

Strongest Moat Highest ROIC Warren Buffett strategy Economic Moat

Educational tool. Fit scores are deterministic projections from public financials onto each investor's published criteria - not personal recommendations or advice.