Key Points
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Apple possesses one of the most robust business models globally, though its current valuation reflects this strength.
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Alphabet offers a more affordable stock option and stands as the most comprehensive AI-focused company.
Throughout his extensive career at Berkshire Hathaway, Warren Buffett has generally avoided significant tech stock investments. However, the renowned investor contributed to Berkshire’s two tech positions, which remain holdings today: Apple (NASDAQ: AAPL) and Alphabet (NASDAQ: GOOGL) (NASDAQ: GOOG).
While both stocks are appealing, I believe Alphabet presents the stronger choice at present.
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Let’s examine each stock in detail to understand their merits.
Warren Buffett at an event. Image source: The Motley Fool.
Apple
Apple arguably boasts the finest compounding business model globally, a reason for its longstanding favor with Warren Buffett.
The core of Apple’s success lies in its closed-loop ecosystem. Once a consumer acquires an Apple device, particularly an iPhone, they often become deeply integrated into Apple’s ecosystem. This makes switching devices highly inconvenient. The reason stems from the fact that every photo taken, app downloaded, and subscription purchased reinforces user commitment.
Apple’s devices follow predictable replacement cycles, ensuring a consistent hardware revenue stream. More crucially, these devices serve as entry points to the company’s high-margin services revenue. This includes cloud storage, subscriptions, AppleCare, and its commission from the App Store.
Even more significantly are elements users don’t directly pay for, such as the search revenue-sharing agreement with Alphabet. Apple receives a 36% cut of ad revenue from Alphabet via Safari on its devices—a $20+ billion annual stream that directly contributes to profits.
Alphabet
One of Buffett’s final major investments before stepping down as Berkshire’s CEO was in Alphabet. He acknowledged missing the opportunity earlier but remains confident in its future potential.
Alphabet has multiple strengths. It is the most comprehensive AI entity, possessing both leading chips and AI models. Although its latest model faced delays due to unmet internal targets, this appears to be a temporary setback.
The model underperforms in software coding, but this doesn’t detract from Alphabet’s core strength: consumer AI integration. Through its control of Google Search and the distribution advantage of Chrome, Android, and its search revenue-sharing deal with Apple, Alphabet drives growing query and revenue opportunities.
Alphabet’s key advantage is its custom AI chips, known as Tensor Processing Units (TPUs). These are among the most powerful custom AI accelerators, offering a cost-effective alternative to Nvidia’s GPUs.
This allows Alphabet to train models and execute inference more affordably, enhancing margins in its cloud computing segment. The demand for TPUs is evident, as seen with client Anthropic placing large orders directly with Alphabet partner Broadcom, creating another high-margin revenue stream.
With a forward P/E ratio below 25 relative to 2027 analyst estimates, Alphabet is significantly undervalued compared to Apple. Considering its valuation discount and growth potential, Alphabet’s stock is currently the more attractive buy.
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