Frequently Asked Questions
The most-asked questions about intel and amd microprocessors, part 2.
What does Part 2 of the encyclopedia cover?
Part 2 picks up where Part 1 left off, tracing the industry from the mid-1990s 64-bit race through the multi-core era, the chiplet revolution, and the current AI-accelerated processor landscape. It treats both Intel and AMD as ongoing rival narratives rather than separate product lists.
Who are the most prominent engineers and executives highlighted?
The section gives sustained attention to figures like Jim Keller (who shaped AMD's GPU and CPU roadmaps), Lisa Su (who steered AMD back to competitiveness as CEO), and Intel architects behind NetBurst, Nehalem, and the Golden Cove microarchitecture. Each entry ties their design philosophy to specific shipping products.
Where should a total newcomer begin reading?
Start with the 'x86-64 Origins' chapter, because understanding why AMD designed the 64-bit extension in 2003 reframes every later rivalry. From there, the 'Multi-Core Decade' overview gives you the timeline skeleton before you dive into individual microarchitecture deep-dives.
What was the 64-bit war and why did AMD win it?
In the early 2000s, Intel's IA-64 (Itanium) strategy stalled while AMD shipped a backward-compatible 64-bit extension to x86 in 2003. Intel eventually adopted AMD's instruction-set design as EM64T, making AMD64 the de facto 64-bit standard for desktops and servers to this day.
What was Intel's tick-tock strategy and why did it end?
Tick-tock alternated a process-shrink year (tick) with a new-architecture year (tock), a rhythm Intel maintained from around 2006 to 2016. The cadence broke down as 14 nm and 10 nm nodes proved harder to shrink, forcing Intel to abandon the strict two-year cycle in favor of a more flexible process-and-architecture schedule.
What happened during AMD's near-bankruptcy period?
Between roughly 2011 and 2014, AMD's Bulldozer and Piledriver cores underperformed on efficiency, revenue collapsed, and the company came within weeks of insolvency. The turnaround began with the 2016 Zen architecture, which restored single-threaded competitiveness and gave AMD a credible server presence.
What are chiplets and why do they matter in this era?
Chiplets are smaller, specialized silicon dies (CPU, I/O, cache) connected on a package substrate instead of one monolithic die. AMD pioneered the approach with Ryzen 9 3900X in 2019, and Intel followed with its Meteor Lake and later server parts, reshaping how both companies design for yield and cost.
How does the encyclopedia explain the Zen versus Golden Cove architectural rivalry?
Zen (2017) restored AMD's out-of-order execution efficiency and set a new single-thread benchmark for x86, while Golden Cove (2021, Alder Lake) introduced a hybrid performance/efficiency core layout. The section compares their branch predictors, execution widths, and memory subsystems side by side to show where each held the edge.
What is the x86-64 standard and who actually owns it?
x86-64 is the 64-bit instruction-set extension originally designed by AMD in 2003 and later adopted by Intel under the name EM64T. The formal specification is maintained by AMD, making it the company that legally stewards the 64-bit x86 standard both vendors implement.
Which 'upset' or turning-point moments does Part 2 flag as most notable?
Highlighted moments include AMD's 2003 Athlon 64 launch undercutting Intel's 64-bit plans, the 2017 Ryzen debut shocking the enthusiast community, and Intel's 2022 admission that its 7 nm process had slipped, which opened the door for AMD's 5 nm EPYC to dominate new server deployments. Each is treated with primary-source quotes and contemporaneous reviews.