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Pentium M VS Pentium 4: Intel Pentium M Processor VS Intel Pentium 4 Processor

Intel Pentium M Processor:

The Intel Pentium M Processor, in conjunction with the Intel 915 Express chipset family and the Intel PRO/Wireless network connection, is a key component of Intel Centrino Mobile Technology. It delivers outstanding mobile performance and low-power enhancements for sleeker, lighter notebook designs.

Features & Benefits:

Power Optimized 533/400 MHz processor system bus, Micro-ops Fusion & Dedicated Stack Manager: Allows faster execution of instructions at lower power.

Support for enhanced Intel SpeedStep Technology w/ multiple voltage & frequency operating points: Allows for better match of performance to application demand.

Execute Disable Bit Support: Can help prevent certain classes of malicious "buffer overflow" attacks when combined with supporting operating system. This is an optional feature and is available on the latest Intel Pentium M Processors.

Support for Intel Mobile Voltage Positioning (Intel MVP IV): Dynamically lowers voltage based on processor activity to lower thermal design power enabling smaller notebooks.

Micro FCPGA & FCBGA packaging technology: Optimized for a range of thinner, lighter designs including <1" thick that deliver outstanding performance.

Processor

Intel Pentium M Processor

Processor Number

770, 765, 760, 758, 755, 753, 750, 745, 740, 738, 735, 733, 730, 725, 723, 718, 715, 713

Architecture

90 nm, 130 nm process
technology

130 nm process technology

L2 Cache

2MB, 1MB

1MB

Clock Speed

1.50 to 2.13 GHz

1.30 to 1.70 GHz

Clock Speed--Low Volt

1.30 to 1.50 GHz

1.10 to 1.20 GHz

Clock Speed--Ultra Low Volt

1 to 1.20 GHz

1 GHz and 900 MHz

Front Side Bus

533 or 400 MHz

400 MHz

Chipset


	Mobile Intel 915 Express Chipset Family
	Intel 855 Chipset Family

Intel 855 Chipset Family

Wireless

Intel PRO/Wireless Network Connection

Intel Pentium 4 Processor:

With a PC based on the Intel Pentium 4 Processor with HT Technology⁺ you get advanced performance and multitasking capabilities for today's digital home and digital office applications.

Features & Benefits : Features of the Intel Pentium 4 processor 6xx supporting Hyper-Threading Technology:

2 MB of L2 Cache: A larger cache size can help the processor more efficiently run many popular applications in digital imaging, music, video and gaming.

Intel Extended Memory 64 Technology: Provides flexibility for future applications that support both 32-bit and 64-bit computing.

Execute Disable Bit: Can improve protection against malicious "buffer overflow" attacks when properly enabled with a supporting operating system.

Enhanced Intel SpeedStep Technology: Enables cooler and quieter PC designs (depending on system implementation and usage).

Overview of the processor in the 775 -Land package:

Processor	Intel Pentium 4 Processor Supporting Hyper-Threading Technology⁺
Processor Number	660, 650, 640, 630	570J, 560J, 560, 550J, 550, 540J, 540, 530J, 530, 520J, 520	NA
Architecture	90 nm process technology
L2 Cache	2 MB	1 MB	1 MB
Clock Speed	3 to 3.60 GHz	2.80 to 3.80 GHz	3.20F, 3.40F, and 3.60F
Front Side Bus	800 MHz
Chipset 800 MHz system bus	Intel 925XE Express, 925X Express, 915G Express, 915GV Express, 915GL Express, 915P Express, and 915PL Express Chipsets		Intel E7221, and 925X Express chipsets
Socket	LGA775
Intel Desktop Boards	Download matrix for desktop boards compatible with the Intel Pentium 4 processor [PDF 91KB]		Intel Entry Server Board SE7221BK1-E
Hyper - Threading Technology⁺	Yes
Intel Extended Memory 64 Technology	Yes	NA	Yes
Execute Disable Bit	Yes	570J ,560J, 550J, 540J, 530J, 520J	NA

Features of the Intel Pentium 4 processor 6xx supporting Hyper-Threading Technology:

Processor	Intel Pentium 4 Processor supporting Hyper-Threading Technology⁺	Intel Pentium 4 Processor
Architecture	90 nm, 130 nm process technology	90 nm, 130 nm, 180 nm process technology
L2 Cache	512 KB, 1 MB	256 KB, 512 KB, 1 MB
Clock Speed	2.40 to 3.40 GHz	1.30 to 2.80 GHz
Front Side Bus	800 MHz	400, 533 MHz
Chipset 800 MHz system bus	Intel E7221, 875P, 865PE, 865G, 865GV, and 848P chipsets	NA
Chipset 533 MHz system bus	Intel 865P, 850 Chipset Family, 850E, 845PE, 845GE, 845GV, 845E and 845G	Intel 865P, 850 Chipset Family, 850E, 845PE, 845GE, 845GV, 845E and 845G chipsets
Chipset 400 MHz system bus	NA	Intel 845GL and 845 chipsets
Socket	mPGA478
Intel Desktop Boards	Download matrix for desktop boards compatible with the Intel Pentium 4 processor [PDF 91KB]

( Source from Intel)

"Intel recently announced its new technology for mobile platforms, named Centrino, and presents it as a big advance in mobile PCs. One of the main part of Centrino consists in a brand new CPU, the Pentium M, codenamed Banias, that we'll study in this review. A particularity of this CPU is that it was designed for mobile platform exclusively, unlike previous mobile CPU (Pentium !!!-M, Pentium 4-M) that share the same micro-architecture as their desktop counterparts. The Pentium M introduces a new micro-architecture, adapted for mobility constraints, and that is halfway between the Pentium ..." Cpuid.com

"Fast, powerful processors cause all sorts of heating problems -- which leads to a noisy environment when you use fans to cool them down. Portable CPUs must run cooler than desktop CPUs, because they don't have the room for a strong, loud fan. What happens when a company redesigns a portable CPU to work on the desktop? DMOS explores the answer to that question as he examines the Pentium M...." Devhardware.com

"THE PENTIUM 4 IS THE FIRST truly new processor design from Intel since the Pentium Pro debuted at under 200MHz. Believe it or not, the Pentium Pro, Pentium II, Pentium III, Xeon, and Celeron processors were all based on the same P6 microarchitecture. Intel added some goodies like MMX, SSE, and integrated cache over the years, and they changed the way the processors were made, but they were all the same basic design..." Techreport.com

"The Pentium 4 Processor has now been out for several months and there are many opinions about Intel's latest silicon. Some claim that it is the next god CPU and some still declare Athlon as a clear leader. As usual, all the current tests that are available have been conducted under Microsoft OSes with very few exceptions. So how does the Pentium 4 perform under Linux and what support is available from the kernel and GCC? The results probably will surprise you but read on to see if the Intel power processor is for you. Before continuing, be sure to check out our CPU Review Guide which will give you of an overview of the processor review process..." Linuxhardware.org

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Related Items: | How to Choose a CPU? | Intel vs AMD | P4 Motherboards | Pentium M Mobile CPU | Pentium 4, Socket T ( LGA775 ) | Pentium 4, Socket 478 CPU | Resources - CPU | AMD 64 vs Pentium 4 |

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