Digital-Daily : CPU & Memory : intel_cpu_spring_2007

Modern Intel processors

Author: Vladimir Romanchenko
Date: 14.03.2007

Intel processors for desktop PCs

Quad-core Intel Core 2 Quad CPUs for desktop PCs

Intel Core 2 Quad CPUs (working name Kentsfield) are made on the base of the 4-core Intel Core architecture, and from the technical viewpoint are two dual-core Conroe cores interlinked on a single substrate. Core 2 Extreme QX6xxx chips offer 8 MB of total L2 cache (4 MB of distributed L2 cache per each pair of cores), which provides support for four physically independent threads and in theory allows for additional performance boost if there is support from the software part of the platform. Core 2 Extreme QX6xxx CPUs are compatible to motherboards based on the i975X and other chipsets which offer a power supply module and meet the VRM 11 specifications, as well as have the matching BIOS firmware.

Core2 Quad CPUs offer all the key advantages of the new Intel Core micro architecture, including support for Enhanced Intel SpeedStep Technology, Intel Wide Dynamic Execution, Intel Intelligent Power Capability, Intel Advanced Smart Cache, Intel Advanced Digital Media Boost, and Intel Smart Memory Access. For details of novelties in the Intel Core micro architecture, read our article Evolution of the multi-core Intel Core processor architecture: Conroe, Kentsfield....

4-core Intel CPUs- Kentsfield core
CPU	Clock speed	FSB	L2	Process technology	VT	HT	64-bit	XD	Socket
4-core Intel Core 2 Quad CPUs
Q6700	2.66 GHz	1066 MHz	4 MB õ2 (distr.)	65 nm	+	-	+	+	LGA775
Q6600	2.40 GHz	1066 MHz	4 MB õ2 (distr.)	65 nm	+	-	+	+	LGA775

Multi-core Intel Core 2 Extreme CPUs for desktop PCs

The Intel Core 2 Extreme series includes both the dual-core (X6800) and quad-core version (QX6700). In fact, Intel Core 2 Extreme X6800 is different from the higher-end models of Intel Core 2 Duo E6xxx having the Conroe core in only higher clock speeds, which is caused by the high TDP - over 75 W, and automatically moved this processor to a class of chips with the letter index X.

From the technical viewpoint, the 4-core Core 2 Extreme QX6700 appears to be two dual-core chips of the Core 2 Duo E6700 (Conroe) class integrated within a single package. Therefore, the overall L2 cache size makes 8 MB, or 4 MB per each pair of cores, with the remaining key specifications being similar to Core 2 Duo E6700.

2-core Intel CPUs- Conroe core
CPU	Clock speed	FSB	L2	Process technology	VT	HT	64-bit	XD	Socket
2-core Intel Core 2 Extreme
QX6700	2.66 GHz	1066 MHz	4 MB (distr.)	65 nm	+	-	+	+	LGA775
X6800	2.93 GHz	1066 MHz	4 MB (distr.)	65 nm	+	-	+	+	LGA775

Dual-core Intel Core 2 Duo CPUs for desktop PCs

The Intel Core 2 Duo series based on the modern Intel Core micro architecture is a family of Intel's most interesting processors in terms of performance per watt and efficiency.

Dual-core Intel Core 2 Duo chips for desktop PC (Conroe core) offer 4 MB or 2 MB of distributed L2 cache, FSB up to 1066 MHz, support Intel Wide Dynamic Execution, Intel Intelligent Power Capability, Intel Smart Memory Access, Intel Advanced Smart Cache, and Intel Advanced Digital Media Boost.

2-core Intel CPUs- Conroe core
CPU	Clock speed	FSB	L2	Process technology	VT	HT	64-bit	XD	Socket
2-core Intel Core 2 Duo
E6700	2.67 GHz	1066 MHz	4 MB (distr.)	65 nm	+	-	+	+	LGA775
E6600	2.40 GHz	1066 MHz	4 MB (distr.)	65 nm	+	-	+	+	LGA775
E6400	2.13 GHz	1066 MHz	2 MB (distr.)	65 nm	+	-	+	+	LGA775
E6300	1.86 GHz	1066 MHz	2 MB (distr.)	65 nm	+	-	+	+	LGA775
E4300	1.80 GHz	800 MHz	2 MB (distr.)	65 nm	-	-	+	+	LGA775

Dual-core Intel Pentium Extreme Edition for desktop PCs

Pentium Extreme Edition CPUs (or Pentium XE) became the first 2-core chips for desktop platforms made by Intel. Intel Pentium Extreme Edition CPUs based on the Smithfield core offer support for the 1066 MHz system bus, are equipped with 4 MB or 2 MB of L2 cache, 2 MB or 1 MB per each core. Pentium XE processors support the Intel Extended Memory 64 technology (support for 32-bit and 64-bit addressing), Hyper-Threading (up to four software threads simultaneously), Execute Disable Bit (if supported by the operating systems, protects against viruses that exploit memory buffer overflow errors).

Originally, Pentium XE processors were positioned for use with systems based on the Intel 955X Express chipset with support for up to 8 GB 2-channel ECC DDR2-667/533 memory with error correction (ECC).

2-core Intel CPUs- Smithfield core
CPU	Clock speed	FSB	L2	Process technology	VT	HT	64-bit	XD	Socket
2-core Intel Pentium Extreme Edition
Pentium XE 965	3.73 GHz	1066 MHz	2 MB õ2	65 nm	+	+	+	+	LGA775
Pentium XE 955	3.46 GHz	1066 MHz	2 MB õ2	65 nm	+	+	+	+	LGA775
Pentium XE 840	3.20 GHz	800 MHz	1 MB õ 2	90 nm	-	+	+	+	LGA775

Dual-core Intel Pentium D for desktop PCs

First announced in May 2005, the 2-core Intel Pentium D processors are currently presented with models made following the 65-nm and 90-nm process technologies. The chips are equipped with 2 MB or 1 MB L2 cache per each core (4 MB altogether), 2 õ 16 K of L1 cache per each core, and 2 Execution Trace Caches which are able storing up to 12K of decoded micro-ops. Intel Pentium D CPUs support the Intel Extended Memory 64 (Intel EM64T), Execute Disable Bit, Enhanced Intel SpeedStep (in a number of chips), and the SSE3 instruction set. Essentially, Intel Pentium D processors are chips based on the NetBurst architecture - two Pentium 4 per chip.

The main distinction of 2-core Pentium D processors from the Pentium XE series in the lack of support for the Hyper-Threading Technology.

2-core Intel CPUs- Smithfield core
CPU	Clock speed	FSB	L2	Process technology	VT	HT	64-bit	XD	Socket
2-core Intel Pentium D
Pentium D 960	3.60 GHz	800 MHz	2 MB õ2	65 nm	+	-	0	0	LGA775
Pentium D 950	3.40 GHz	800 MHz	2 MB õ2	65 nm	+	-	0	0	LGA775
Pentium D 945	3.40 GHz	800 MHz	2 MB õ2	65 nm	-	-	+	+	LGA775
Pentium D 940	3.20 GHz	800 MHz	2 MB õ2	65 nm	+	-	+	+	LGA775
Pentium D 930	3 GHz	800 MHz	2 MB õ2	65 nm	+	-	+	+	LGA775
Pentium D 925	3 GHz	800 MHz	2 MB õ2	65 nm	-	-	+	+	LGA775
Pentium D 920	2.80 GHz	800 MHz	2 MB õ2	65 nm	+	-	+	+	LGA775
Pentium D 915	2.80 GHz	800 MHz	2 MB õ2	65 nm	-	-	+	+	LGA775
Pentium D 840	3.20 GHz	800 MHz	1 MB õ 2	90 nm	-	-	+	+	LGA775
Pentium D 830	3 GHz	800 MHz	1 MB õ 2	90 nm	-	-	+	+	LGA775
Pentium D 820	2.80 GHz	800 MHz	1 MB õ 2	90 nm	-	-	+	+	LGA775
Pentium D 805	2.66 GHz	533 MHz	1 MB õ 2	90 nm	-	-	+	+	LGA775

Intel Pentium 4 6xx for desktop PCs

Intel Pentium 4 600 (Prescott 2M) CPUs offer support for the Hyper-Threading and 2 MB L2 cache. The series includes CPUs of clock speeds within 3.0 GHz to 3.80 GHz. The declared TDP of Intel Pentium 4 660 and 670 processors is 115 W, others - 84 W.

Intel Pentium 4 series 600 processors are based on the Intel NetBurst architecture, offer support for the FSB 800 MHz, Execute Disable Bit, Enhanced Intel Speedstep Technology (EIST), Intel EM64T. The main distinction of Pentium 4 series 600 processors (Prescott 2M core) from the already phased-out Pentium 4 500 series (Prescott core) is in the doubled capacity of L2 cache at lower clock speeds.

Intel CPUs - Prescott 2M core
CPU	Clock speed	FSB	L2	Process technology	VT	HT	64-bit	XD	Socket
Intel Pentium 4 6xx
Pentium 4,672	3.80 GHz	800 MHz	2 MB	90 nm	+	+	+	+	LGA775
Pentium 4,670	3.80 GHz	800 MHz	2 MB	90 nm	-	+	+	+	LGA775
Pentium 4,662	3.60 GHz	800 MHz	2 MB	90 nm	+	+	+	+	LGA775
Pentium 4,661	3.60 GHz	800 MHz	2 MB	65 nm	-	+	+	+	LGA775
Pentium 4,660	3.60 GHz	800 MHz	2 MB	90 nm	-	+	+	+	LGA775
Pentium 4,651	3.40 GHz	800 MHz	2 MB	65 nm	-	+	+	+	LGA775
Pentium 4,650	3.40 GHz	800 MHz	2 MB	90 nm	-	+	+	+	LGA775
Pentium 4,641	3.20 GHz	800 MHz	2 MB	65 nm	-	+	+	+	LGA775
Pentium 4,640	3.20 GHz	800 MHz	2 MB	90 nm	-	+	+	+	LGA775
Pentium 4,631	3 GHz	800 MHz	2 MB	65 nm	-	+	+	+	LGA775
Pentium 4,630	3 GHz	800 MHz	2 MB	90 nm	-	+	+	+	LGA775

Intel Pentium 4 5xx for desktop PCs

The main distinction of Pentium 4 series 500 series (Prescott core) from the higher-end Pentium 4 600 series (Prescott 2M core) is in the L2 cache size twice as little. Intel Pentium 4 series 500 processors are made following the norms of the 90 nm process technology in LGA 775 packages, contain about 125 mln transistors. The declared TDP of the Pentium 4 550 and higher processors is 115 W, other chips - 84 W.

Intel CPUs - Prescott core
CPU	Clock speed	FSB	L2	Process technology	VT	HT	64-bit	XD	Socket
Intel Pentium 4 5xx
Pentium 4,571	3.80 GHz	800 MHz	1 Mb	90 nm	-	+	+	+	LGA775
Pentium 4,570J	3.80 GHz	800 MHz	1 Mb	90 nm	-	+	-	+	LGA775
Pentium 4,561	3.60 GHz	800 MHz	1 Mb	90 nm	-	+	+	+	LGA775
Pentium 4,560J	3.60 GHz	800 MHz	1 Mb	90 nm	-	+	-	+	LGA775
Pentium 4,560	3.60 GHz	800 MHz	1 Mb	90 nm	-	+	-	-	LGA775
Pentium 4,551	3.40 GHz	800 MHz	1 Mb	90 nm	-	+	+	+	LGA775
Pentium 4,550J	3.40 GHz	800 MHz	1 Mb	90 nm	-	+	-	+	LGA775
Pentium 4,550	3.40 GHz	800 MHz	1 Mb	90 nm	-	+	-	-	LGA775
Pentium 4,541	3.20 GHz	800 MHz	1 Mb	90 nm	-	+	+	+	LGA775
Pentium 4,540J	3.20 GHz	800 MHz	1 Mb	90 nm	-	+	-	+	LGA775
Pentium 4,540	3.20 GHz	800 MHz	1 Mb	90 nm	-	+	-	-	LGA775
Pentium 4,531	3 GHz	800 MHz	1 Mb	90 nm	-	+	+	+	LGA775
Pentium 4,530J	3 GHz	800 MHz	1 Mb	90 nm	-	+	-	+	LGA775
Pentium 4,530	3 GHz	800 MHz	1 Mb	90 nm	-	+	-	-	LGA775
Pentium 4,521	2.80 GHz	800 MHz	1 Mb	90 nm	-	+	+	+	LGA775
Pentium 4,520J	2.80 GHz	800 MHz	1 Mb	90 nm	-	+	-	+	LGA775
Pentium 4,520	2.80 GHz	800 MHz	1 Mb	90 nm	-	+	-	-	LGA775
Pentium 4,519K	3.06 GHz	533 MHz	1 Mb	90 nm	-	-	+	+	LGA775
Pentium 4 519J	3.06 GHz	533 MHz	1 Mb	90 nm	-	-	-	+	LGA775
Pentium 4,516	2.93 GHz	533 MHz	1 Mb	90 nm	-	-	+	+	LGA775
Pentium 4,515	2.93 GHz	533 MHz	1 Mb	90 nm	-	-	-	-	LGA775
Pentium 4,511	2.80 GHz	533 MHz	1 Mb	90 nm	-	-	+	+	LGA775
Pentium 4,506	2.66 GHz	533 MHz	1 Mb	90 nm	-	-	+	+	LGA775
Pentium 4 505	2.66 GHz	533 MHz	1 Mb	90 nm	-	-	-	-	LGA775

Intel Celeron D for desktop PCs

Intel Celeron D processors of clock speeds up to 3.36 GHz (Celeron D 360) offer the options typical for most Prescott processors, with the difference in lower FSB=533 MHz supported. The L2 cache size of "old" 90 nm models is 256 K, whereas new models made following the 90-nm norms - 512 K.

Intel Celeron D series processors are produced in two makes of the housing design - LGA775 and mPGA478. The whole line Celeron D supports the SSE3 instruction set, and a number of models support the EM64T.

Intel CPUs - Prescott core
CPU	Clock speed	FSB	L2	Process technology	VT	HT	64-bit	XD	Socket
Intel Celeron D
Celeron D 360	3.46 GHz	533 MHz	512 K	65 nm	-	-	+	+	LGA775
Celeron D 356	3.33 GHz	533 MHz	512 K	65 nm	-	-	+	+	LGA775
Celeron D 355	3.33 GHz	533 MHz	256 K	90 nm	-	-	+	+	LGA775
Celeron D 352	3.20 GHz	533 MHz	512 K	65 nm	-	-	+	+	LGA775
Celeron D 351	3.20 GHz	533 MHz	256 K	90 nm	-	-	+	+	LGA775
Celeron D 350	3.20 GHz	533 MHz	256 K	90 nm	-	-	-	-	Socket 478
Celeron D 347	3.06 GHz	533 MHz	256 K	65 nm	-	-	+	+	LGA775
Celeron D 346	3.06 GHz	533 MHz	256 K	90 nm	-	-	+	+	LGA775
Celeron D 345J	3.06 GHz	533 MHz	256 K	90 nm	-	-	-	+	LGA775
Celeron D 345	3.06 GHz	533 MHz	256 K	90 nm	-	-	-	-	Socket 478
Celeron D 341	2.93 GHz	533 MHz	256 K	90 nm	-	-	+	+	LGA775
Celeron D 340J	2.93 GHz	533 MHz	256 K	90 nm	-	-	-	+	LGA775
Celeron D 340	2.93 GHz	533 MHz	256 K	90 nm	-	-	-	-	Socket 478
Celeron D 336	2.80 GHz	533 MHz	256 K	90 nm	-	-	+	+	LGA775
Celeron D 335J	2.80 GHz	533 MHz	256 K	90 nm	-	-	-	+	LGA775
Celeron D 335	2.80 GHz	533 MHz	256 K	90 nm	-	-	-	-	Socket 478
Celeron D 331	2.66 GHz	533 MHz	256 K	90 nm	-	-	+	+	LGA775
Celeron D 330J	2.66 GHz	533 MHz	256 K	90 nm	-	-	-	+	LGA775
Celeron D 330	2.66 GHz	533 MHz	256 K	90 nm	-	-	-	-	Socket 478
Celeron D 326	2.53 GHz	533 MHz	256 K	90 nm	-	-	+	+	LGA775
Celeron D 325J	2.53 GHz	533 MHz	256 K	90 nm	-	-	-	+	LGA775
Celeron D 325	2.53 GHz	533 MHz	256 K	90 nm	-	-	-	-	Socket 478
Celeron D 320	2.40 GHz	533 MHz	256 K	90 nm	-	-	-	-	Socket 478
Celeron D 315	2.26 GHz	533 MHz	256 K	90 nm	-	-	-	-	Socket 478
Celeron D 310	2.13 GHz	533 MHz	256 K	90 nm	-	-	-	-	Socket 478

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Content:

Page 1 - Marking, general data
Page 2 - Intel processors for desktop PCs
Page 3 - Intel processors for mobile PCs

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