Tesla or SpaceX: Who Benefits More From Terafab and How

2 weeks ago 10

Alex Sirois

Mon, August 10, 2026 astatine 8:42 AM CDT 4 min read

Quick Read

SpaceX's (SPCX) 247% AI conception maturation and $93.5B currency heap springiness it acold much Terafab upside than margin-squeezed Tesla (TSLA), whose escaped currency travel turned negative.
SpaceX holds $14.1B successful signed unreality agreements and a pending $60B Cursor deal, making wafer allocation astatine Terafab the captious awesome to watch.
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Tesla (NASDAQ: TSLA) and SpaceX (NASDAQ: SPCX) closed Q2 2026 with results that enactment their shared Austin semiconductor fab, Terafab, astatine the halfway of each guardant question. Tesla posted grounds deliveries but bruised margins. SpaceX bushed connected some lines and unleashed a monolithic AI capex wave. Same fab, 2 precise antithetic reasons to care.

Record Cars Meet Runaway AI Revenue

Tesla shipped 480,126 vehicles and pulled successful $28.24 cardinal successful revenue, yet operating borderline collapsed to 1.4% arsenic OpEx jumped 47% connected AI infrastructure and stock-based comp. Free currency travel flipped to antagonistic $1.09 billion. Management inactive says "hardware-related profits [will] beryllium accompanied by an acceleration of AI, software, and fleet-based profits." That is the transportation down Terafab: cheaper AI5 inference chips for FSD, Optimus, and the Cybercab enactment present moving astatine Giga Texas.

SpaceX told a louder story. Revenue reached $7.81 billion, and the AI conception unsocial grew 247% to $2.56 billion. Capex deed $18.37 billion, with $15.83 cardinal aimed astatine AI compute. Starlink subscribers doubled to 12.0 million, though ARPU slipped from $85 to $66.

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One Fab, Two Very Different Shopping Lists

Lens	Tesla	SpaceX
Primary Chip Use	AI5 inference, FSD, Optimus, Dojo 3	Starlink V3 satellites, Grok training, Starship avionics
Volume Profile	Concentrated, high-value dies	Thousands of satellites positive 1.4 GW compute
Cash to Fund It	$43.5B, FCF antagonistic	$93.5B, backlog $47.5B

Tesla needs Terafab to support gross borderline connected millions of cars and yet 1 cardinal Optimus units per twelvemonth of capacity. SpaceX needs earthy wafer measurement to provender satellites launching each week and the Colossus II build-out. Per the nonfiction brief, SpaceX is positioned to payment much straight successful allocated compute capableness and hardware scaling, portion Tesla benefits much instantly connected outgo borderline and supply-chain sovereignty for wide production. That framing tracks with the filings.

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