X86 cpus' Guide

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Processor of the day

P III 866 SL43J.jpg
Intel Pentium III 866 FC-PGA (Coppermine)

Most popular CPUs

Intel Core 2 Duo E8800 (ES)
Intel Core 2 Duo E6200 (ES)
Intel Core 2 Duo E7700
Intel Core 2 Duo E7800
Intel Pentium II 266 (0,35µ)

Best sales on

Intel Core i7-3770
Intel Core i5-3470
Intel Core i5-6500
Intel Core i7-6700
Intel Core i7-2600

Most powerful CPUs
Desktop PCs
AMD : Ryzen Threadripper 3990X
Intel : Core i9-10980XE
Laptop PCs
AMD : Ryzen 9 4900H
Intel : Core i9-10980HK
Servers
AMD : EPYC 7H12
Intel : Xeon Platinium 9282

Other articles > X86 Glossary > SLFM

Means Super Low Frequency Mode.
It is a functionnal mode where a cpu featuring Intel Enhanced Speedstep Technology (EIST) work at FSB frequency (coeff = 1.0x).
Knowing that FSB cannot be modified dynamically by a cpu itself, it is the slowest operating frequency of cpu today.