Intel Pentium 4 Processor Formally code name: Willamette
Scheduled release date: October 30, 2000
This processor is manufactured using 0.18 um line widths
L1 Cache Size: 12K micro-ops + 8KB data
L2 Cache Size: 256 KB on die
L2 Cache Speed: core clock
CPU Voltage: 1.75V
Bus: 400 MHz (Quad pumped 100 MHz system bus)
Die Size: 217mm^2
Includes: MMX, SSE, SSE2
Transistor Count: 42 Million
Package: PGA-423 or mPGA-478 pin

Chip	Core / Bus Speed	Package
Pentium 4 1.3 GHz	1300 MHz / 400 MHz	PGA-423
Pentium 4 1.4 GHz	1400 MHz / 400 MHz	PGA-423
Pentium 4 1.5 GHz	1500 MHz / 400 MHz	PGA-423 or mPGA-478
Pentium 4 1.6 GHz	1600 MHz / 400 MHz	PGA-423 or mPGA-478
Pentium 4 1.7 GHz	1700 MHz / 400 MHz	PGA-423 or mPGA-478
Pentium 4 1.8 GHz	1800 MHz / 400 MHz	PGA-423 or mPGA-478
Pentium4 1.9 GHz	1900 MHz / 400 MHz	PGA-423 or mPGA-478
Pentium 4 2.0 GHz	2000 MHz / 400 MHz	PGA-423 or mPGA-478

Formally code name: Northwood
Release date: January 7, 2002
This processor is manufactured using 0.13 um line widths
L1 Cache Size: 12K micro-ops + 8KB data (unconfirmed)
L2 Cache Size: 512 KB on die
L2 Cache Speed: core clock
CPU Voltage: 1.5V
Bus: 400 MHz (Quad pumped 100 MHz system bus)
Die Size: 146mm^2
Includes: MMX, SSE, SSE2
Transistor Count: 55 Million
Package: mPGA-478 pin

Chip	Core / Bus Speed	Package
* Pentium 4 1.60 GHz "A"	1.60 GHz / 400 MHz	mPGA-478B
* Pentium 4 1.80 GHz "A"	1.80 GHz / 400 MHz	mPGA-478B
* Pentium 4 2.00 GHZ "A"	2.00 GHz / 400 MHz	mPGA-478B
Pentium 4 2.00 GHz "A"	2000 MHz / 400 MHz	mPGA-478
Pentium 4 2.20 GHz "A"	2200 MHz / 400 MHz	mPGA-478

* Intended for sub-45W TDP designs
mPGA478B is a surface mount 478 pin ZIF socket

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