CYRIX 6X86
\sˈɪɹɪks sˈɪks ˈɛks ˈe͡ɪtisˈɪks], \sˈɪɹɪks sˈɪks ˈɛks ˈeɪtisˈɪks], \s_ˈɪ_ɹ_ɪ_k_s s_ˈɪ_k_s ˈɛ_k_s ˈeɪ_t_i_s_ˈɪ_k_s]\
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(6x86) IBM and Cyrix's sixth-generation,64-bit 80x86-compatible microprocessor. The 6x86 combinesaspects of both RISC and CISC. It has a superscalar,superpipelined core, and performs register renaming,speculative execution, out-of-order completion, and datadependency removal. It has a 16-kilobyte primary cache andis socket-compatible with the Pentium P54C. It has fourperformance levels: PR 120+, PR 150+, PR 166+ and PR 200+.The chip was designed by Cyrix and is manufactured by IBM.The architecture of the 6x86 is more advanced than that of thePentium, incorporating some of the features of Intel'sPentium Pro. At a given clock rate it executes most codemore quickly than a Pentium would. However, its FPU isconsiderably less efficient than Intel's.IBM FAQ(http://chips.ibm.com/products/x86/6x86/faqs/6x86_faqs.html),Cyrix FAQ(http://cyrix.com/process/prodinfo/6x86/faq-6x86.htm).
By Denis Howe
Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.