A CPU From AMD...AND Intel?! (UCIe Explained)
0 up · 0 down · 0 ratings
Promos
Answer your emails faster, in the appropriate tone, and with confidence with Grammarly! Go to grammarly.com to sign up for a FREE account and get 20% off Premium! Learn about UCIe and how it could let different companies collaborate on one processor. Leave a reply with your requests for future episodes, or tweet them here: twitter.com ► GET MERCH: lttstore.com ► AFFILIATES, SPONSORS & REFERRALS: lmg.gg ► PODCAST GEAR: lmg.gg ► SUPPORT US ON FLOATPLANE: floatplane.com FOLLOW US ELSEWHERE --------------------------------------------------- Twitter: twitter.com Facebook: @LinusTech Instagram: @linustech TikTok: @linustech Twitch: twitch.tv
A detailed look at a forward thinking standard in chip design, this video explains how a future CPU might be built from parts sourced from different manufacturers thanks to UCIe, the Universal Chiplet Interconnect Express. The host begins by defining UCIe and drawing a parallel to PCI Express to help viewers grasp the concept of chiplets that can sit next to each other on a single package rather than being carved into a monolithic die. It then explains why the industry is shifting toward smaller, modular chiplets: manufacturing defects become less catastrophic when not all transistors are on a single chip, and different chiplets can be produced on different process nodes for specialized performance. The discussion covers the potential advantage of combining chips from different vendors, such as an Intel CPU paired with AMD graphics, or a Wi-Fi radio from another company and a security enclave from a third, all communicating through a standardized interconnect. The video also notes how UCIe leverages existing protocols like PCIe and CXL to move data between chiplets, enabling lower latency communication and high data throughput that could enable new kinds of devices with more specialized functions. A realistic caveat is included: UCIe is a new standard, so immediate, mass adoption across PCs, phones, and servers is unlikely, but the prospect of a future where Apple, NVIDIA, and other heavyweights participate is explored. The host closes with reflections on the potential impact, comparing UCIe to other join-in strategies and hinting at a future where custom, multi-vendor chips could become commonplace, while humor and sponsorship messages punctuate the pacing.
Topics · technology · semiconductors · hardware engineering · computer architecture
Questions answered
- What is UCIe and why does it matter for future CPUs?
- UCIe stands for Universal Chiplet Interconnect Express, a standard that enables different chiplets from multiple vendors to communicate on the same package, potentially creating CPUs that combine an Intel core with AMD graphics or other specialized components.
- How does UCIe achieve low latency communication between chiplets?
- UCIe can use existing protocols like PCI Express and Compute Express Link to move data between adjacent chiplets, delivering low latency and high throughput suitable for integrated systems on a package.