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Known : 5804  cpu
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Cyrix > Cpus > 486

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Models
From collector's point of view



Models

 Sub-type
 Number
486DX PGA
14
486 Fascache
3
486DX SQFP
4
5x86 PGA
4
5x86 SQFP
2
Total
27

 Name
Codename
Core frequency
Bus frequency
Cache (L1/L2/L3)
Technology
Cyrix 486DX-33
M6
33 MHz
33 MHz
8 KB/-/-
???
Cyrix 486DX-40
M6
40 MHz
40 MHz
8 KB/-/-
???
Cyrix 486DX-50
M6
50 MHz
50 MHz
8 KB/-/-
???
Cyrix 486DX2-50
M7
50 MHz
25 MHz
8 KB/-/-
???
Cyrix 486DX2-v50
M7
50 MHz
25 MHz
8 KB/-/-
???
Cyrix 486DX2-50 (Write-Back)
M7
50 MHz
25 MHz
8 KB/-/-
???
Cyrix 486DX2-66
M7
66 MHz
33 MHz
8 KB/-/-
???
Cyrix 486DX2-v66
M7
66 MHz
33 MHz
8 KB/-/-
???
Cyrix 486DX2-66 (Write-Back)
M7
66 MHz
33 MHz
8 KB/-/-
???
Cyrix 486DX2-v66 (Write-Back)
M7
66 MHz
33 MHz
8 KB/-/-
???
Cyrix 486DX2-80
M7
80 MHz
40 MHz
8 KB/-/-
???
Cyrix 486DX2-v80
M7
80 MHz
40 MHz
8 KB/-/-
???
Cyrix 486DX4-75
M9
75 MHz
25 MHz
8 KB/-/-
???
Cyrix 486DX4-100
M9
100 MHz
33 MHz
8 KB/-/-
???
Cyrix 486 S25 Fascache
M5
25 MHz
25 MHz
2 KB/-/-
???
Cyrix 486 S33 Fascache
M5
33 MHz
33 MHz
8 KB/-/-
???
Cyrix 486 S40 Fascache
M5
40 MHz
40 MHz
2 KB/-/-
???
Cyrix 486DX-v33 SQFP
M6
33 MHz
33 MHz
8 KB/-/-
???
Cyrix 486DX2-v50 SQFP
M7
50 MHz
25 MHz
8 KB/-/-
???
Cyrix 486DX2-v66 SQFP
M7
66 MHz
33 MHz
8 KB/-/-
???
Cyrix 486DX2-v80 SQFP
M7
80 MHz
40 MHz
8 KB/-/-
???
Cyrix 5x86-80
M1sc
80 MHz
40 MHz
16 KB/-/-
0,65 Ám
Cyrix 5x86-100
M1sc
100 MHz
33 MHz
16 KB/-/-
0,65 Ám
Cyrix 5x86-120
M1sc
120 MHz
40 MHz
16 KB/-/-
0,65 Ám
Cyrix 5x86-133
M1sc
133 MHz
33 MHz
16 KB/-/-
0,65 Ám
Cyrix 5x86-100 SQFP
M1sc
100 MHz
33 MHz
16 KB/-/-
0,65 Ám
Cyrix 5x86-120 SQFP
M1sc
120 MHz
40 MHz
16 KB/-/-
0,65 Ám

From collector's point of view

 Name
Variation
Release date
Rarity
In collection ?
Cyrix 486DX-33
-
09/1993
**
yes (7)
Cyrix 486DX-33
Box
09/1993
*****
no
Cyrix 486DX-40
Black bottom
09/1993
**
yes (7)
Cyrix 486DX-40
Box
09/1993
**
yes (10)
Cyrix 486DX-40
Gold bottom
09/1993
*****
yes (2)
Cyrix 486DX-50
-
09/1993
**
yes (1)
Cyrix 486DX-50
Box
09/1993
*****
yes (3)
Cyrix 486DX2-50
-
Unknown
***
yes (7)
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 (6)
Cyrix 486DX2-66
Box
Unknown
***
yes (7)
Cyrix 486DX2-v66
-
Unknown
**
yes (15)
Cyrix 486DX2-66 (Write-Back)
-
Unknown
****
yes (5)
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 (9)
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 486 S25 Fascache
-
05/1993
****
yes (2)
Cyrix 486 S33 Fascache
-
05/1993
***
yes (4)
Cyrix 486 S40 Fascache
-
05/1993
***
yes (4)
Cyrix 486 S40 Fascache
Box
05/1993
***
yes (4)
Cyrix 486DX-v33 SQFP
-
09/1993
*****
yes (8)
Cyrix 486DX2-v50 SQFP
-
1994
*****
yes (4)
Cyrix 486DX2-v66 SQFP
-
1994
*****
yes (2)
Cyrix 486DX2-v80 SQFP
-
1994
****
yes (4)
Cyrix 5x86-80
-
Unknown
******
no
Cyrix 5x86-80
Box
Unknown
******
no
Cyrix 5x86-100
-
08/1995
***
yes (11)
Cyrix 5x86-100
Box
08/1995
***
yes (7)
Cyrix 5x86-120
-
30/10/1995
****
yes (4)
Cyrix 5x86-120
Box
30/10/1995
*****
no
Cyrix 5x86-133
-
Unknown
******
yes (3)
Cyrix 5x86-100 SQFP
-
08/1995
****
yes (4)
Cyrix 5x86-120 SQFP
-
30/10/1995
*****
yes (3)



Models (list)