Processor Family

Processor Version

Process Technology

Circuit Size (microns)

Die Size (mm^2)

Transistors (millions)

8088

All

NMOS, CMOS

3.0

33

0.029

8086

All

NMOS, CMOS

3.0

33

0.029

80286

All

CMOS

1.5

47

0.134

80386DX

All

CMOS

1.5, then 1.0

!?

0.275

80386SX

All

CMOS

1.5, then 1.0

!?

0.275 (0.855 for 80386SL)

80486DX

-25, -33

CMOS

1.0

81

1.2

-50

0.8

81?

80486SX

All

CMOS

1.0

67

1.185

80486DX2

Intel

CMOS

0.8

76

1.2

AMD

0.5

!?

!?

Cyrix

0.65

!?

!?

80486DX4

Intel

CMOS

0.6

!?

1.6

AMD

0.5

!?

!?

Cyrix

0.65

!?

!?

AMD 5x86

--

CMOS

0.35

!?

!?

Cyrix 5x86

All

CMOS

0.65

144

2.0

Pentium

60, 66

Bipolar CMOS

0.8

295

3.1

75, 90, 100, Early 120s

0.6

147

3.2

Late 120s, 133, 150, 166, 200

0.35

90

3.3

Pentium OverDrive

63, 83

Bipolar CMOS

0.6

!?

!?

120/133, 125, 150, 166

0.35

90

3.3

Pentium with MMX

All

CMOS

0.35

141

4.5

Pentium with MMX OverDrive

All

CMOS

0.35

141

4.5

6x86

PR120+, PR133+, PR150+

CMOS

0.6

210

3.0

PR166+, PR200+

0.5, then 0.44

169

6x86L

0.35

K5

All

CMOS

0.35

161

4.3

Pentium Pro

150

Bipolar CMOS

0.6 (CPU and cache)

307 (+202 for L2 cache)

5.5 (+15.5 for L2 cache)

166

0.35 (CPU and cache)

196 (+242 for L2 cache)

5.5 (+31 for L2 cache)

180

0.35 (CPU), 0.6 (cache)

196 (+202 for L2 cache)

5.5 (+15.5 for L2 cache)

200 (256 KB)

200 (512 KB)

0.6 (CPU and cache)

196 (+242 for L2 cache)

5.5 (+31 for L2 cache)

200 (1MB)

0.35 (CPU), !? (cache)

196 (+!? For L2 cache)

5.5 (+!? For L2 cache)

Pentium II

233, 266, 300

CMOS

0.35

203

7.5

333

0.25

!?

K6

166, 200, 233

CMOS

0.35

162

8.8

266

0.25

68

6x86MX

All

CMOS

0.35

197

6.0