Hw 3

Updated September 20, 2026

Overview

Product sourcing insights & recommendations

27 来源

The term 'HW 3' primarily refers to Tesla's Hardware 3 (HW3), the company's first custom-designed Full Self-Driving (FSD) computer. It represents a significant milestone in automotive AI, though it is currently undergoing a transitional phase in the market.

Core Product & Technical Insights

* Purpose-Built Silicon: HW3 (launched in 2019) features Tesla's custom dual-chip architecture, delivering 36 to 72 TOPS (Tera Operations Per Second). This was a 40x leap over previous generations, designed specifically to run neural networks for autonomous driving. Carnex Yeslak

* System Configuration: It relies on an 8-camera setup (1.2-megapixel) and was originally paired with ultrasonic sensors, which were later phased out in favor of "Tesla Vision" (camera-only). Yeslak

* Current Capability: While it remains the standard for FSD Supervised, recent developments suggest it may lack the computational headroom for upcoming "Unsupervised" FSD features compared to the newer Hardware 4 (HW4/AI4). Evannex Yeslak

Market Trends & Industry Shifts

* The Upgrade Cycle: For the first time, Tesla has confirmed an official upgrade path from HW3 to HW4 for FSD purchasers. This is expected to be a "meaningful hardware overhaul" involving both computer and camera replacements, potentially serviced through new metropolitan "microfactories." Evannex Evannex

* Used Market Dynamics: HW3-equipped vehicles (2019–2022 models) are currently viewed as the "value sweet spot" for used Tesla buyers, as they support most modern features at a lower price point than HW4 models, which typically command a $3,000–$5,000 premium. Carnex

* Software Bridging: To manage the transition, Tesla is releasing "V14 Lite" in mid-2026, a version of its latest FSD software specifically optimized for the memory constraints (8GB RAM) of HW3 hardware. Evannex

Consumer Insights

* Future-Proofing Anxiety: There is significant consumer concern regarding the longevity of HW3. Owners are closely monitoring hardware-specific software updates to ensure their vehicles don't become "obsolete" for autonomous features. Teslaownersonline Yeslak

* Visual Differentiation: Consumers identify HW3 by the camera lenses; HW3 features three identical front-facing lenses, whereas HW4 uses two red-tinted lenses and a blanked-out third slot. Carnex Yeslak

* Peripheral Market: A secondary market for aftermarket accessories (such as side camera covers and integrated dashcams) has matured around HW3, though new inventory is rapidly pivoting to accommodate HW4 dimensions. Alibaba Alibaba Alibaba

Based on the Tesla HW3 to HW4 upgrade news, you might be interested in:

Sources & References

27 sources cited · Verified industry data & reports

HW-group.com

The HW group product portfolio includes three major domains: Environmental, system and process monitoring devices; technology for IP based serial interface ...

Tesla HW 4 vs HW 3: Key Differences and How to Tell ...

Yeslak Tesla Accessories

Not sure if your Tesla has Hardware 4 or Hardware 3? Discover the main differences, upgraded features, and simple ways to check your vehicle ...

Tesla Autopilot HW3 details : r/teslamotors

Reddit · r/teslamotors

new hardware is based on Samsung Exynos 7xxx SoC, data loading, weight loading, and writing output. brand new RTX 2080 Ti,

Tesla Hardware Versions Explained: HW2, HW3, HW4 - Carnex

carnex.ca

HW3: Camera and ultrasonic sensor visible. Camera only, no ultrasonic sensor. Software Packages (What You Pay For)

Tesla's HW3 Upgrade Plan Is Taking Shape. Here's What ...

EVANNEX Aftermarket Tesla Accessories

It is a meaningful hardware overhaul that brings older vehicles closer to what Tesla's current lineup can do.

Musk claims HW 3 to HW 4 upgrade coming

Tesla Owners Online Forum

In a significant update for Tesla owners, CEO Elon Musk has confirmed that the company will upgrade HW3/AI3 self-driving computers for ...