Cyrix 486DRx²20/40
Cyrix 486DRx²16/32
Cyrix 486DRx²20/40
Cyrix 486DRx²25/50
Cyrix 486DRx²33/66
Sub-type |
Number
|
486DX PGA |
9
|
486DX CQFP |
6
|
486DX PQFP |
1
|
486DX SQFP |
5
|
486SX PGA |
7
|
486SX PQFP132 |
2
|
486SX PQFP196 |
4
|
486SX SQFP |
2
|
486SX TQFP |
2
|
486SL |
3
|
486GX |
1
|
Overdrive 486DX |
8
|
Overdrive 486SX |
3
|
Total |
53
|
Name |
Codename
|
Core frequency
|
Bus frequency
|
Cache (L1/L2/L3)
|
Technology
|
Intel 486DX (ES) |
P4
|
???
|
???
|
8 KB/-/-
|
0,8 µm
|
Intel 486DX-25 PGA |
P4
|
25 MHz
|
25 MHz
|
8 KB/-/-
|
0,8 µm
|
Intel 486DX-33 PGA |
P4
|
33 MHz
|
33 MHz
|
8 KB/-/-
|
0,8 µm
|
Intel 486DX2-40 PGA |
P24
|
40 MHz
|
20 MHz
|
8 KB/-/-
|
0,8 µm
|
Intel 486DX-50 |
P4
|
50 MHz
|
50 MHz
|
8 KB/-/-
|
1 µm
|
Intel 486DX2-50 PGA |
P24
|
50 MHz
|
25 MHz
|
8 KB/-/-
|
0,8 µm
|
Intel 486DX2-66 |
P24
|
66 MHz
|
33 MHz
|
8 KB/-/-
|
0,8 µm
|
Intel 486DX4-75 PGA |
P24C
|
75 MHz
|
25 MHz
|
16 KB/-/-
|
0,6 µm
|
Intel 486DX4-100 PGA |
P24C
|
100 MHz
|
33 MHz
|
16 KB/-/-
|
0,6 µm
|
Intel 486DX-25 CQFP |
P4
|
25 MHz
|
25 MHz
|
8 KB/-/-
|
0,8 µm
|
Intel 486DX-33 CQFP |
P4
|
33 MHz
|
33 MHz
|
8 KB/-/-
|
0,8 µm
|
Intel 486DX2-50 CQFP |
P24
|
50 MHz
|
25 MHz
|
8 KB/-/-
|
0,8 µm
|
Intel 486DX2-66 CQFP |
P24
|
66 MHz
|
33 MHz
|
8 KB/-/-
|
0,8 µm
|
Intel 486DX4-75 CQFP |
P24
|
75 MHz
|
25 MHz
|
8 KB/-/-
|
0,8 µm
|
Intel 486DX4-100 CQFP |
P24
|
100 MHz
|
33 MHz
|
8 KB/-/-
|
0,8 µm
|
Intel 486DX-33 PQFP |
P4
|
33 MHz
|
33 MHz
|
8 KB/-/-
|
0,8 µm
|
Intel 486DX-33 SQFP |
P4
|
33 MHz
|
33 MHz
|
8 KB/-/-
|
???
|
Intel 486DX2-40 SQFP |
P24
|
40 MHz
|
20 MHz
|
8 KB/-/-
|
???
|
Intel 486DX2-50 SQFP |
P24
|
50 MHz
|
25 MHz
|
8 KB/-/-
|
???
|
Intel 486DX4-75 SQFP |
P24C
|
75 MHz
|
25 MHz
|
16 KB/-/-
|
0,6 µm
|
Intel 486DX4-100 SQFP |
P24C
|
100 MHz
|
33 MHz
|
16 KB/-/-
|
0,6 µm
|
Intel 486SX |
P23
|
???
|
???
|
8 KB/-/-
|
1 µm
|
Intel 486SX-16 PGA |
P23
|
16 MHz
|
16 MHz
|
8 KB/-/-
|
1 µm
|
Intel 486SX-20 PGA |
P23
|
20 MHz
|
20 MHz
|
8 KB/-/-
|
1 µm
|
Intel 486SX-25 PGA |
P23
|
25 MHz
|
25 MHz
|
8 KB/-/-
|
1 µm
|
Intel 486SX-33 PGA |
P23
|
33 MHz
|
33 MHz
|
8 KB/-/-
|
1 µm
|
Intel 486SX2-50 |
P23
|
50 MHz
|
25 MHz
|
8 KB/-/-
|
0,8 µm
|
Intel 486SX2-66 (ES) |
P23
|
66 MHz
|
33 MHz
|
8 KB/-/-
|
0,8 µm
|
Intel 486SX-16 PQFP-132 |
P23
|
16 MHz
|
16 MHz
|
8 KB/-/-
|
???
|
Intel 486SX-20 PQFP-132 |
P23
|
20 MHz
|
20 MHz
|
8 KB/-/-
|
???
|
Intel 486SX-16 PQFP-196 |
P23
|
16 MHz
|
16 MHz
|
8 KB/-/-
|
???
|
Intel 486SX-20 PQFP-196 |
P23
|
20 MHz
|
20 MHz
|
8 KB/-/-
|
???
|
Intel 486SX-25 PQFP |
P23
|
25 MHz
|
25 MHz
|
8 KB/-/-
|
???
|
Intel 486SX-33 PQFP |
P23
|
33 MHz
|
33 MHz
|
8 KB/-/-
|
???
|
Intel 486SX-25 SQFP |
P23
|
25 MHz
|
25 MHz
|
8 KB/-/-
|
???
|
Intel 486SX-33 SQFP |
P23
|
33 MHz
|
33 MHz
|
8 KB/-/-
|
???
|
Intel 486SX-25 TQFP |
P23
|
25 MHz
|
25 MHz
|
8 KB/-/-
|
???
|
Intel 486SX-33 TQFP |
P23
|
33 MHz
|
33 MHz
|
8 KB/-/-
|
???
|
Intel 486SL-20 |
???
|
20 MHz
|
20 MHz
|
8 KB/-/-
|
0,8 µm
|
Intel 486SL-25 |
???
|
25 MHz
|
25 MHz
|
8 KB/-/-
|
0,8 µm
|
Intel 486SL-33 |
???
|
33 MHz
|
33 MHz
|
8 KB/-/-
|
0,8 µm
|
Intel 486GX-33 |
???
|
16 MHz to 33 MHz
|
16 MHz to 33 MHz
|
8 KB/-/-
|
???
|
Intel Overdrive 486DX2-50 (PGA168) |
P4T
|
50 MHz
|
25 MHz
|
8 KB/-/-
|
???
|
Intel Overdrive 486DX2-50 (PGA169) |
P4T
|
50 MHz
|
25 MHz
|
8 KB/-/-
|
???
|
Intel Overdrive 486DX2-66 (PGA168) |
P4T
|
66 MHz
|
33 MHz
|
8 KB/-/-
|
???
|
Intel Overdrive 486DX2-66 (PGA169) |
P4T
|
66 MHz
|
33 MHz
|
8 KB/-/-
|
???
|
Intel Overdrive 486DX4-75 (PGA168) |
???
|
75 MHz
|
25 MHz
|
16 KB/-/-
|
???
|
Intel Overdrive 486DX4-75 (PGA169) |
???
|
75 MHz
|
25 MHz
|
16 KB/-/-
|
???
|
Intel Overdrive 486DX4-100 (PGA168) |
???
|
100 MHz
|
33 MHz
|
16 KB/-/-
|
???
|
Intel Overdrive 486DX4-100 (PGA169) |
???
|
100 MHz
|
33 MHz
|
16 KB/-/-
|
???
|
Intel Overdrive 486SX2-40 |
P23T
|
40 MHz
|
20 MHz
|
8 KB/-/-
|
???
|
Intel Overdrive 486SX2-50 |
P23T
|
50 MHz
|
25 MHz
|
8 KB/-/-
|
???
|
Intel Overdrive 486SX2-66 |
P23T
|
66 MHz
|
33 MHz
|
8 KB/-/-
|
???
|