x86 cpus' Guide

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Processor of the day

Cyrix_Cx486DX2-66GP_top.jpg
Cyrix 486DX2-66

Most popular CPUs

Cyrix 486DRx²20/40
Cyrix 486DRx²16/32
Cyrix 486DRx²20/40
Cyrix 486DRx²25/50
Cyrix 486DRx²33/66

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 > OPTi > P5 Architecture




Models (list)

 Sub-type
 Number
Viper
5
Miscellanous
3
Total
8

 Name
Bus frequency
Memory controller
Ports
OPTi Viper
FSB, 50/60/66 MHz
FP-RAM 32bits ; EDO-RAM70 ns ; SDRAM PC66
OPTi Viper-N
FSB, 50/60/66 MHz
FP-RAM 32bits ; EDO-RAM70 ns
OPTi Viper-N+
FSB, 50/60/66 MHz
FP-RAM 32bits ; EDO-RAM70 ns
OPTi ViperMax
FSB, 50/60/66 MHz
FP-RAM 32bits ; EDO-RAM70 ns ; SDRAM PC66
OPTi Viper Xpress
FSB, 40/50/60/66 MHz
FP-RAM 32bits ; EDO-RAM70 ns ; SDRAM PC66
OPTi Python
FSB, 50/60/66 MHz
FP-RAM 32bits
OPTi Cobra
FSB, 50/60/66 MHz
FP-RAM 32bits
OPTi Vendetta
FSB, 50/60/66 MHz
FP-RAM 32bits ; EDO-RAM70 ns ; SDRAM PC66