A Sample of Computers

1/11/99

Computer Introduced Cost then Memory Speed Disk Space Inflation factor

IBM 704 1956 $1.5 mill. 8K 83,000 IPS 500 K 5.84

IBM 7090 1959 $3 million 32K 227,000 IPS 1 meg's 5.49

IBM 360/85 1968 $5 million 512K 12.5 MIPS 1 gig's 4.54

IBM 3033 1979 $5 million 16M 25 MIPS 2 gig's 2.10

PDP 8 1965 $18,000 4K 385,000 IPS 0 5.07

PDP-11/55 1976 $27,000 64K 700,000 IPS 200 meg's 2.77

Apple II 1977 $2000 64K .5 MIPS 140 K floppy 2.60

IBM PC (8088) 1982 $2600 256K 1 MIPS 360 K floppy 1.65

80386DX 1987 $3000 1 meg's 10 MIPS 40 meg's 1.40

80486DX 1990 $3200 4 meg's 15 MIPS 100 meg's 1.21

Pentium II (400) 1998 $3000 64 meg's 200 MIPS 8 gig's 1

Computer	Introduced	Cost then	Memory	Speed	Disk Space	Inflation factor
IBM 704	1956	$1.5 mill.	8K	83,000 IPS	500 K	5.84
IBM 7090	1959	$3 million	32K	227,000 IPS	1 meg's	5.49
IBM 360/85	1968	$5 million	512K	12.5 MIPS	1 gig's	4.54
IBM 3033	1979	$5 million	16M	25 MIPS	2 gig's	2.10
PDP 8	1965	$18,000	4K	385,000 IPS	0	5.07
PDP-11/55	1976	$27,000	64K	700,000 IPS	200 meg's	2.77
Apple II	1977	$2000	64K	.5 MIPS	140 K floppy	2.60
IBM PC (8088)	1982	$2600	256K	1 MIPS	360 K floppy	1.65
80386DX	1987	$3000	1 meg's	10 MIPS	40 meg's	1.40
80486DX	1990	$3200	4 meg's	15 MIPS	100 meg's	1.21
Pentium II (400)	1998	$3000	64 meg's	200 MIPS	8 gig's	1