x86 cpus' Guide

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Processor of the day

AMD_Am386DX_DXL-25_top.jpg
AMD 386DX/DXL-25 PGA

Most popular CPUs

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

Intel Core i7-3770
Intel Core i5-3470
Intel Core i5-2400
Intel Core i5-4570
Intel Core i7-2600

Most powerful CPUs
Desktop PCs
AMD : Ryzen 9 7950X
Intel : Core i9-13900KF
Laptop PCs
AMD : Ryzen 9 6980HX
Intel : Core i9-12950HX
Servers
AMD : EPYC 9654P
Intel : Xeon Platinium 9282

Chipsets > Intel > 486 Architecture




Models (list)

 Sub-type
 Number
420
4
Total
4

 Name
Bus frequency
Memory controller
Ports
Intel 420EX PCI System Controller (PSC)
FSB, 50 MHz
FP-RAM 32bits
Intel 420EX ISA Bridge (IB)
FSB, 50 MHz
None
5 ISA
Intel 420TX
FSB, 33 MHz
FP-RAM 32bits
Intel 420ZX
FSB, 33 MHz
FP-RAM 32bits