AAPL vs MSFT: which megacap looks better on the quant scorecard?

Apple and Microsoft are the two largest companies in the S&P 500 by market cap. Both are Tier-1 quality compounders. Both are core holdings of essentially every large-cap fund and ETF. Their composite QScores typically land within a few points of each other.

The factor signatures underneath are very different. Open the live AAPL vs MSFT comparison and the breakdown reveals two distinct bets dressed up in similar headline numbers. This post walks through what the differences actually mean.

The setup: same size, different shape

Apple sells hardware (iPhone, Mac, iPad, wearables) plus a fast-growing services layer (App Store, Apple Music, iCloud, payments). Microsoft sells productivity software (Office), cloud infrastructure (Azure), gaming (Xbox), enterprise tools (Teams, GitHub), and an increasing AI surface area through OpenAI integration and first-party Copilot products.

Both fall under the same Technology sector classification, so QScoring z-scores their metrics against the same tech-megacap peer set. The shared denominator is what makes the factor comparisons meaningful rather than apples-to-utilities.

Where they overlap

Profitability:both extraordinary. Apple's ROE looks astronomical (often 140%+) but is partly an artifact of years of aggressive buybacks shrinking the equity denominator. Microsoft's ROE is high but more “structural.” Both score in the upper tier of the profitability distribution.
Risk: both score well — beta close to the market average and realized volatility lower than smaller-cap tech peers. Neither is a high-vol play.
Confidence: both stocks have complete data coverage in QScoring, so the confidence rating is generally HIGH or MEDIUM depending on whether the composite lands in decisive (≥70 or ≤30) territory.

Where they diverge

Value:often comparable, with one notable trap. Apple's price-to-book ratio runs near 40 because aggressive buybacks have driven book value near zero — that's a metric distortion, not a true valuation signal. QScoring sector-normalizes the value metrics, which partially mitigates this, but the P/B reading on Apple genuinely is noisy. Microsoft's value metrics tend to be cleaner reads.
Growth:Microsoft has typically scored higher on growth in recent quarters, driven by Azure's sustained 25%+ growth and Copilot monetization. Apple's growth has been more cyclical (depends on iPhone refresh cycle and services attach rate). On a year-over-year revenue basis, MSFT often pulls ahead.
Momentum: regime-dependent. AI-narrative periods favor MSFT (OpenAI, Copilot, Azure AI workloads). Hardware-refresh or services-strength periods favor AAPL. The 12-month, 3-month, and 1-month returns blended into the momentum factor capture this rotation.

Reading the typical pattern

The most common pattern: composite scores within 3–5 points of each other, profitability nearly identical, value comparable (with the AAPL P/B noise caveat), growth and momentum slightly favoring MSFT in current AI-cycle conditions.

That means the headline composite undersells the difference. If you only look at the number, AAPL and MSFT can look like the same bet. The factor breakdown shows MSFT as a growth-and-cloud-tilted exposure and AAPL as a quality-and-buyback-yield exposure. Both are defensible, neither is clearly “better,” but they're not substitutable as factor positions.

Common mistake: ignoring the buyback distortion

Apple's capital return program has been the largest in corporate history. That warps two metrics in particular: P/B (book value squeezed near zero) and ROE (equity denominator shrunk artificially). Both make Apple look unusually expensive on P/B and unusually profitable on ROE. The reality is more moderate.

QScoring's sector normalization helps because it's comparing Apple to other mega-caps facing similar dynamics, but the distortion is real. When you read Apple's value score, mentally weight it toward the P/E and P/S signals more than P/B. When you read its profitability score, weight it toward gross margin and operating margin more than ROE.

How to read the live page

The live comparison page highlights the largest factor gap in its verdict box. Use the per-row table to spot which factors drive the composite difference. Open each ticker for the full metric-level breakdown — AAPL detail, MSFT detail — to see the underlying P/E, P/B, revenue growth, and so on.