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The Winn L. Rosch Hardware Bible, 6th Edition (2 Vol. Set)
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Home » CPU
All Pentium 4 Models
Author: Cássio Lima
Type: Tutorials Last Updated: September 14, 2007
Page: 5 of 5
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Pentium 4 Extreme Edition

Pentium 4 Extreme Edition was released on november 2003 and was the first desktop CPU to carry an integrated L3 memory cache. This processor has 2 MB of L3 memory cache accessed under the CPU internal clock. The first Pentium 4 Extreme Edition Models were based on the Gallatin core, which had 512 KB of L2 memory cache and 2 MB of L3 memory cache, ran externally at 800 MHz or 1,066 MHz (200 MHz or 266 MHz transferring four data per clock cycle, respectively), SSE2 instruction set, 64-bit extensions, Hyper-Threading technology, 0.13 µm manufacturing process and 178 million transistors. Pentium 4 Extreme Edition models available today are based on Prescott 2M core, which is manufactured using 90 nm process. Below you can compare Prescott core (used by regular Pentium 4 processors) with Prescott 2M core (used by Pentium 4 Extreme Edition processors).

Prescott Core
click to enlarge
Figure 4: Prescott core.

Prescott 2M Core
click to enlarge
Figure 5: Prescott 2M core.

While Prescott core has 125 million transistors, Prescott 2M core has 169 million. This difference goes to the 2 MB L2 memory cache that exists on Prescott 2M.

So far Intel has released only one Pentium 4 Extreme Edition based on Prescott 2M core. This processor has 2MB L2 memory cache, SSE3 instruction set, Hyper-Threading technology and 64-bit extensions.

Below we list all Pentium 4 Extreme Edition models launched so far.

Model

Internal Clock

External Clock

TDP

Max. Temp. (º C)

L2 Cache

L3 Cache

Socket

Tecnology

Hyper-Threading

SL7Z4

3.73 GHz

1066 MHz

115 W

72.8

2 MB

-

775

0.09 µm

Yes

SL7RT

3.46 GHz

1066 MHz

110.7 W

66

2 MB

-

775

0.13 µm

yes

SL7NF

3.46 GHz

1066 MHz

110.7 W

66

512 KB

2 MB

775

0.13 µm

yes

SL7RR

3.40 GHz

800 MHz

109.6 W

66

512 KB

2 MB

775

0.13 µm

yes

SL7GD

3.40 GHz

800 MHz

109.6 W

66

512 KB

2 MB

775

0.13 µm

yes

SL7CH

3.40 GHz

800 MHz

102.9 W

67

512 KB

2 MB

478

0.13 µm

yes

SL7AA

3.20 GHz

800 MHz

92.1 W

64

512 KB

2 MB

478

0.13 µm

yes

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