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Models
From collector's point of view
Models
| Sub-type |
Number
|
| 486DX PGA |
13
|
| 486DX Box |
8
|
| 486 Fascache |
3
|
| 486 Fascache Box |
1
|
| 5x86 Box |
3
|
| 486DX SQFP -> PGA |
4
|
| 486DX SQFP |
4
|
| 5x86 PGA |
3
|
| 5x86 SQFP |
3
|
| 5x86 SQFP -> PGA |
3
|
| Total |
45
|
| Name |
Codename
|
Core frequency
|
FSB
|
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 486DX2-80
|
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 486DX-33 Box
|
M6
|
33 MHz
|
33 MHz
|
8 KB/-/-
|
???
|
|
Cyrix 486DX-40 Box
|
M6
|
40 MHz
|
40 MHz
|
8 KB/-/-
|
???
|
|
Cyrix 486DX2-50 Box
|
M7
|
50 MHz
|
25 MHz
|
8 KB/-/-
|
???
|
|
Cyrix 486DX2-50 Box (Write-Back)
|
M7
|
50 MHz
|
25 MHz
|
8 KB/-/-
|
???
|
|
Cyrix 486DX2-66 Box
|
M7
|
66 MHz
|
33 MHz
|
8 KB/-/-
|
???
|
|
Cyrix 486DX2-66 Box (Write-Back)
|
M7
|
66 MHz
|
33 MHz
|
8 KB/-/-
|
???
|
|
Cyrix 486DX2-80 Box
|
M7
|
80 MHz
|
40 MHz
|
8 KB/-/-
|
???
|
|
Cyrix 486DX4-100 Box
|
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 486 S40 Fascache
|
M5
|
40 MHz
|
40 MHz
|
2 KB/-/-
|
???
|
|
Cyrix 5x86-80 Box
|
M1sc
|
80 MHz
|
40 MHz
|
16 KB/-/-
|
0,65 µm
|
|
Cyrix 5x86-100 Box
|
M1sc
|
100 MHz
|
33 MHz
|
16 KB/-/-
|
0,65 µm
|
|
Cyrix 5x86-120 Box
|
M1sc
|
120 MHz
|
40 MHz
|
16 KB/-/-
|
0,65 µm
|
|
Cyrix 486DX-v33 SQFP -> PGA
|
M6
|
33 MHz
|
33 MHz
|
8 KB/-/-
|
???
|
|
Cyrix 486DX2-v50 SQFP -> PGA
|
M7
|
50 MHz
|
25 MHz
|
8 KB/-/-
|
???
|
|
Cyrix 486DX2-v66 SQFP -> PGA
|
M7
|
66 MHz
|
33 MHz
|
8 KB/-/-
|
???
|
|
Cyrix 486DX2-v80 SQFP -> PGA
|
M7
|
80 MHz
|
40 MHz
|
8 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 5x86-100
|
M1sc
|
100 MHz
|
33 MHz
|
16 KB/-/-
|
0,65 µm
|
|
Cyrix 5x86-120
|
M1sc
|
120 MHz
|
40 MHz
|
16 KB/-/-
|
0,65 µm
|
|
Cyrix 5x86-120 3V3PR90
|
M1sc
|
120 MHz
|
40 MHz
|
16 KB/-/-
|
0,65 µm
|
|
Cyrix 5x86-100 SQFP
|
M1sc
|
100 MHz
|
33 MHz
|
16 KB/-/-
|
0,65 µm
|
|
Cyrix 5x86-120 SQFP
|
M1sc
|
120 MHz
|
40 MHz
|
16 KB/-/-
|
0,65 µm
|
|
Cyrix 5x86-120 3V6PR90 SQFP
|
M1sc
|
120 MHz
|
40 MHz
|
16 KB/-/-
|
0,65 µm
|
|
Cyrix 5x86-100 SQFP -> PGA
|
M1sc
|
100 MHz
|
33 MHz
|
16 KB/-/-
|
0,65 µm
|
|
Cyrix 5x86-120 SQFP -> PGA
|
M1sc
|
120 MHz
|
40 MHz
|
16 KB/-/-
|
0,65 µm
|
|
Cyrix 5x86-120 3V6PR90 SQFP -> PGA
|
M1sc
|
120 MHz
|
40 MHz
|
16 KB/-/-
|
0,65 µm
|
