GD vs RTX: Which Is the Better Buy in 2026?

Same yardstick, side by side (as of October 2026). Valuation lined up like this is most meaningful for two names in the same corner of the market, which these are. Figures are approximate; verify before investing.

Reading it: GD is the cheaper of the two on forward earnings, but cheaper is not the same as better. Pair the valuation with growth (how far the forward P/E sits below the trailing P/E) and risk (beta) before you decide.

The metrics above tell you which is the marginally better business. The bigger risk for most people is not picking the slightly worse stock, it is over-concentrating. GD and RTX share themes, so owning both, or adding either to what you already hold, can quietly push a large share of your portfolio into one bet.

This is the part a generic comparison page cannot answer, because it depends on what you own. Connect your brokerage and Walnut shows your real, combined GD and RTX exposure, flags overlap with your existing positions, and tells you if adding one would tip you past a concentration you are comfortable with, read-only by default, with your login staying at your broker. Walnut is not an investment adviser.

General Dynamics is one of the largest US aerospace and defense contractors, with a diversified portfolio spanning four main areas. Its Aerospace segment builds Gulfstream business jets, among the most prestigious in the world. Marine Systems builds nuclear-powered submarines and other naval vessels for the US Navy, including ballistic missile and attack submarines through its Electric Boat and Bath Iron Works yards. Combat Systems produces armored vehicles, including the Abrams tank and Stryker, plus munitions and weapons systems. Technologies provides IT services, communications, and mission systems to defense and government customers. General Dynamics makes money through long-term government contracts for shipbuilding, vehicles, and services, plus commercial Gulfstream jet sales. Headquartered in Reston, Virginia, the company benefits from large multi-year defense programs, a substantial backlog, and steady government demand. Its mix of defense and high-end business aviation gives it a balance of stable contracted revenue and cyclical premium jet sales.

Full GD guide

RTX Corporation (RTX), formerly Raytheon Technologies, is one of the world's largest aerospace and defense companies. It operates three businesses. Collins Aerospace supplies avionics, interiors, actuation, and other systems for commercial and military aircraft. Pratt & Whitney designs and manufactures jet engines for airliners (including the geared turbofan) and military aircraft, and earns substantial recurring revenue from servicing its large installed engine base. Raytheon, the defense segment, builds missiles, missile defense systems (including Patriot), radars, and other advanced defense electronics for the US military and allied governments.

Full RTX guide

Both fit overlapping themes, but they are not interchangeable. The useful comparison is which set of drivers and risks you want exposure to.

• GD drivers: Submarine and naval programs; Gulfstream business jets.
• RTX drivers: Commercial aftermarket; Defense backlog and missiles.

A faster-growing, richer-valued name usually swings harder, so it suits a longer horizon and a higher tolerance for volatility; a steadier, more cash-generative business suits a more conservative or income-minded investor. The honest test is which set of risks you could hold through a drawdown: General Dynamics depends heavily on US government defense spending, which is subject to budget politics, continuing resolutions, and shifting priorities. For RTX, rTX faces program-execution risks, most visibly the Pratt & Whitney geared-turbofan powder-metal inspection issue that forced costly engine removals and weighed on cash.

Growth-minded investors who believe the theme has years to run tend to accept the richer multiple for more upside; value-minded investors lean toward the cheaper forward earnings and steadier profile. Pick GD if you believe its drivers more; RTX if you believe its. Many investors hold both, but since they share themes, that is a concentrated bet, not diversification. Decide deliberately and check overlap. For the full detail, see the GD and RTX guides.

GD. At about $343, General Dynamics trades near 21x trailing and 18x forward earnings and roughly 14.5x EV/EBITDA, a valuation that has compressed as defense stocks fell in October 2026 while earnings kept rising. Investors weigh the predictability of government contracts and a long dividend-growth record against Gulfstream cyclicality, shipbuilding execution and budget risk. Q3 results on October 30 (consensus about $4.13 EPS) are the next data point.

RTX. RTX trades as a large, dividend-paying aerospace and defense blue chip, now at about 34 times trailing and 24 times forward earnings after a 22% one-year gain. The premium rests on double-digit revenue growth, four straight quarterly EPS beats and about $9.9 billion of trailing free cash flow, weighed against program-execution risk like the geared-turbofan issue. Q3 2026 results on October 20 (consensus EPS about $1.78 on about $24.1 billion of revenue) are the next check.

Headline figures (approximate, October 2026): GD shows revenue (ttm) ~$54.9 billion, latest quarter up ~8% year over year, operating margin ~10.4%, net income (ttm) ~$4.5 billion, eps (q2 2026 vs estimate) $4.24 vs $3.97; RTX shows revenue (ttm) ~$93.5 billion, revenue growth (q2 2026, yoy) ~14.5%, operating margin ~12.7%, net income (ttm) ~$7.7 billion.

GD and RTX are related but distinct: same themes, different businesses and risks. Neither wins in the abstract; the right pick is whichever thesis you actually believe, sized so you are not over-concentrated in one theme. Walnut can show your combined GD and RTX exposure against your real portfolio. It is not an investment adviser.