X86 cpus' Guide

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Processor of the day

Intel_P3-Mobile-700-256-100_SL4JZ_top.jpg
Intel Pentium III 700 Mobile µPGA2

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)

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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 : EPYC 7H12
Intel : Xeon Platinium 9282

Cyrix > fpus > 387

Sommaire

Models
From collector's point of view



Models (list)

 Sub-type
 Number
387DX PGA68
12
387DX PGA121
5
387SX
11
387 QFP
6
Total
34

 Name
Core frequency
FSB
Technology
Cyrix FasMath 83D87-16
16 MHz
16 MHz
???
Cyrix FasMath 83D87-20
20 MHz
20 MHz
???
Cyrix FasMath 83D87-25
25 MHz
25 MHz
???
Cyrix FasMath 83D87-33 CPGA
33 MHz
33 MHz
???
Cyrix FasMath 83D87-33 PPGA
33 MHz
33 MHz
???
Cyrix FasMath 83D87-40 CPGA
40 MHz
40 MHz
???
Cyrix FasMath 83D87-40 PPGA
40 MHz
40 MHz
???
Cyrix 387DX-25
25 MHz
25 MHz
???
Cyrix 387DX
33 MHz
33 MHz
???
Cyrix 387DX+
40 MHz
40 MHz
???
Cyrix 487DLC-33
33 MHz
33 MHz
???
Cyrix 487DLC-40
40 MHz
40 MHz
???
Cyrix FasMath EMC87-16
16 MHz
16 MHz
???
Cyrix FasMath EMC87-20
20 MHz
20 MHz
???
Cyrix FasMath EMC87-25
25 MHz
25 MHz
???
Cyrix FasMath EMC87-33
33 MHz
33 MHz
???
Cyrix FasMath EMC87-40
40 MHz
40 MHz
???
Cyrix FasMath 83S87-16 CLCC
16 MHz
16 MHz
???
Cyrix FasMath 83S87-16 PLCC
16 MHz
16 MHz
???
Cyrix FasMath 83S87-20 CLCC
20 MHz
20 MHz
???
Cyrix FasMath 83S87-20 PLCC
20 MHz
20 MHz
???
Cyrix FasMath 83S87-25 CLCC
25 MHz
25 MHz
???
Cyrix FasMath 83S87-25 PLCC
25 MHz
25 MHz
???
Cyrix FasMath 83S87-33
33 MHz
33 MHz
???
Cyrix 387SX-16
16 MHz
16 MHz
???
Cyrix 387SX
25 MHz
25 MHz
???
Cyrix 387SL
25 MHz
25 MHz
???
Cyrix SLC87-25
25 MHz
25 MHz
???
Cyrix FasMath 83D87-40 QFP
40 MHz
40 MHz
???
Cyrix 87DLC-25
25 MHz
25 MHz
???
Cyrix 87DLC-33
33 MHz
33 MHz
???
Cyrix 87DLC-40
40 MHz
40 MHz
???
Cyrix 87SLC-v25
25 MHz
25 MHz
???
Cyrix 87SLC-33
33 MHz
33 MHz
???