STX vs WDC

Seagate Technology and Western Digital, both Technology

Western Digital is the larger company at $257B against $240B. On trailing earnings WDC is the cheaper of the two at a P/E of 19.4 against 60.9, a gap that is only a bargain if the two are growing at similar rates. Over the past year WDC returned +538% against +480% for STX. Ryufin's sector-relative Smart Score puts WDC ahead, 10/10 against 9/10.

Seagate Technology and Western Digitalcompared on valuation, return and Ryufin’s Smart Score
FigureSTXWDC
Last close$846$470
Market cap$240B$257B
Trailing P/Elower is cheaper for the same earnings, not automatically better60.919.4
Dividend yield0.3%n/a
1-year return+480%+538%
5-year return+1018%+861%
Ryufin Smart Scoresector-relative, 1–109/1010/10

Figures from SEC filings and end-of-day closes. Highlighting marks the higher or lower number, which is not the same as the better investment, a low P/E can be a warning and a high one can be deserved.

Seagate Technology

Revenue of $3.6B in Q4 2026, net income $1.3B. Its largest reported line is US, 52% of the disclosed total.

Western Digital

Revenue of $3.7B in Q4 2026, net income $3.2B. Its largest reported line is Cloud, 89% of the disclosed total.

Open these two in the interactive comparison to add more names, change the period or read the correlation.