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Processor of the day

Rohm BU18400A-PS Z80B CPU PDIP 01.jpg
Rohm Z80 NMOS 4MHz PDIP

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

ULSI > FPUs > 387

Contents


Models (list)
From collector's point of view





Models (list)

 Sub-type
 Number
387DX PGA68
7
387SX
7
Total
14

 Name
Core frequency
FSB
Technology
ULSI Math-Co DX-20
20 MHz
20 MHz
1,2 µm
ULSI Math-Co DX-25
25 MHz
25 MHz
1,2 µm
ULSI Math-Co DX-33
33 MHz
33 MHz
1,2 µm
ULSI Advanced Math Coprocessor DX/DLC-33
33 MHz
33 MHz
1,2 µm
ULSI Math-Co DX-40
40 MHz
40 MHz
1,2 µm
ULSI Advanced Math Coprocessor DX/DLC-40
40 MHz
40 MHz
1,2 µm
ULSI Math-Co DX2-66
66 MHz
33 MHz
1,2 µm
ULSI Math-Co SX-16
16 MHz
16 MHz
1,2 µm
ULSI Math-Co SX-20
20 MHz
20 MHz
1,2 µm
ULSI Math-Co SX-25
25 MHz
25 MHz
1,2 µm
ULSI Math-Co SX-33
33 MHz
33 MHz
1,2 µm
ULSI Math-Co SX-40
40 MHz
40 MHz
1,2 µm
ULSI Advanced Math Coprocessor SX/SLC-33
33 MHz
33 MHz
1,2 µm
ULSI Advanced Math Coprocessor SX/SLC-40
40 MHz
40 MHz
1,2 µm