Multi-core architectures. Single-core computer Single-core CPU chip. - ppt download
IBM - Intel SL7PF Single Core 3 20GHz Processor For xSeries 346 Server
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Intel Core i7-11700K records blistering single-core performance on Geekbench, 28% over the i9-10900K, but don't toss your AMD Ryzen 9 5950X away just yet - NotebookCheck.net News
Do Single-core Processors Finally Come to Their End?