x86 cpus' Guide

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Processor of the day

E6700 SL9S7.jpg
Intel Core 2 Duo E6700

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

CPUs > Cyrix > 486

Contents


Models
From collector's point of view





From collector's point of view

 Name
Variation
Release date
Rarity
In collection ?
Cyrix 486DX-33
Black bottom
09/1993
**
yes (7)
Cyrix 486DX-33
Gold bottom
09/1993
****
yes (4)
Cyrix 486DX-33
Box
09/1993
*****
no
Cyrix 486DX-40
Black bottom
09/1993
**
yes (8)
Cyrix 486DX-40
Box
09/1993
**
yes (11)
Cyrix 486DX-40
Gold bottom
09/1993
*****
yes (2)
Cyrix 486DX-50
-
09/1993
**
yes (1)
Cyrix 486DX-50
Box
09/1993
*****
yes (4)
Cyrix 486DX2-50
Black bottom
Unknown
***
yes (7)
Cyrix 486DX2-50
Gold bottom
Unknown
*****
yes (1)
Cyrix 486DX2-50
Box
Unknown
***
yes (7)
Cyrix 486DX2-v50
-
Unknown
****
yes (2)
Cyrix 486DX2-50 (Write-Back)
-
Unknown
****
yes (4)
Cyrix 486DX2-50 (Write-Back)
Box
Unknown
****
yes (5)
Cyrix 486DX2-66
-
Unknown
**
yes (10)
Cyrix 486DX2-66
Box
Unknown
***
yes (9)
Cyrix 486DX2-v66
-
Unknown
**
yes (16)
Cyrix 486DX2-66 (Write-Back)
-
Unknown
****
yes (6)
Cyrix 486DX2-66 (Write-Back)
Box
Unknown
****
yes (6)
Cyrix 486DX2-v66 (Write-Back)
-
Unknown
*****
yes (3)
Cyrix 486DX2-80
-
Unknown
***
yes (8)
Cyrix 486DX2-80
Box
Unknown
***
yes (10)
Cyrix 486DX2-v80
-
Unknown
***
yes (8)
Cyrix 486DX4-75
-
09/1995
******
no
Cyrix 486DX4-100
-
09/1995
**
yes (10)
Cyrix 486DX4-100
Box
09/1995
****
yes (4)
Cyrix 486DX-v33 SQFP
-
09/1993
*****
yes (8)
Cyrix 486DX2-v50 SQFP
-
1994
*****
yes (4)
Cyrix 486DX2-v66 SQFP
-
1994
*****
yes (4)
Cyrix 486DX2-v80 SQFP
-
1994
****
yes (4)
Cyrix 486 S25 Fascache
-
05/1993
****
yes (2)
Cyrix 486 S33 Fascache
-
05/1993
***
yes (5)
Cyrix 486 S40 Fascache
-
05/1993
***
yes (4)
Cyrix 486 S40 Fascache
Box
05/1993
***
yes (5)
Cyrix 5x86-80
-
Unknown
******
no
Cyrix 5x86-80
Box
Unknown
******
no
Cyrix 5x86-100
-
08/1995
***
yes (12)
Cyrix 5x86-100
Box
08/1995
***
yes (8)
Cyrix 5x86-120
-
30/10/1995
****
yes (6)
Cyrix 5x86-120
Box
30/10/1995
*****
no
Cyrix 5x86-133
-
Unknown
******
yes (3)
Cyrix 5x86-100 SQFP
-
08/1995
****
yes (6)
Cyrix 5x86-120 SQFP
-
30/10/1995
*****
yes (3)





Models (list)



Last update : 19/05/2023