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The Cyrix MXi is the mobile version of the 6x86MX architecture, derived from the same M2 core and designed to bring Cyrix’s late-generation Socket 7-class x86 design into notebook systems through lower-voltage operation, reduced power consumption, and mobile-oriented packaging. Architecturally it retains the main characteristics of the desktop 6x86MX, including dual-issue superscalar execution, register renaming, out-of-order instruction handling, MMX support, and a relatively large 64 KiB unified L1 cache, which gave it strong integer performance per clock in general-purpose software. As with the desktop parts, however, its floating-point unit remained weaker than Intel’s competing mobile processors, and its overall competitiveness was limited by thermal constraints and the aging platform around it. Technically, the MXi is best understood as the notebook branch of the 6x86MX family rather than a distinct new core, adapting Cyrix’s final mainstream design to portable systems.