X86 cpus' Guide

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AMD Athlon 64 3000+ (Socket AM2) 01.jpg
AMD Athlon 64 3000+ (Socket AM2)

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Intel Core 2 Duo E8800 (ES)
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Intel Core i7-3770
Intel Core i7-6700
Intel Core i5-3470
Intel Core i7-2600
Intel Core i7-4770

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

IIT > fpus > 387

Sommaire

Models
From collector's point of view



Models (list)

 Sub-type
 Number
387DX PGA68
10
387DX PLCC
3
387SX
7
387 QFP
1
Total
21

 Name
Core frequency
FSB
Technology
IIT 3C87-20
20 MHz
20 MHz
???
IIT 3C87-25
25 MHz
25 MHz
???
IIT 3C87-33
33 MHz
33 MHz
???
IIT 3C87-40 PGA
40 MHz
40 MHz
???
IIT 4C87DLC-33 PGA
33 MHz
33 MHz
???
IIT 4C87DLC-25 PGA
25 MHz
25 MHz
???
IIT 4C87DLC-40 PGA
40 MHz
40 MHz
???
IIT XC87DLC-25
25 MHz
25 MHz
???
IIT XC87DLC-33
33 MHz
33 MHz
???
IIT 487DLX25/50
50 MHz
25 MHz
???
IIT 3C87-40 PLCC
40 MHz
40 MHz
???
IIT 4C87DLC-33 PLCC
33 MHz
33 MHz
???
IIT 4C87DLC-40 PLCC
40 MHz
40 MHz
???
IIT 3C87SX-16
16 MHz
16 MHz
???
IIT 3C87SX-20
20 MHz
20 MHz
???
IIT 3C87SX-25
25 MHz
25 MHz
???
IIT 3C87SX-33
33 MHz
33 MHz
???
IIT 3C87SX-40
40 MHz
40 MHz
???
IIT 4C87SLC-33
33 MHz
33 MHz
???
IIT XC87SLC-33
33 MHz
33 MHz
???
IIT 4C87SLC-25
25 MHz
25 MHz
???