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Intel Pentium 805 processor 2.66 GHz Box 2 MB L2

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5032037006606 show
The Central Processing Unit (CPU) or (micro) processor is the part of a computer where most calculations take place. In terms of computing power, the processor is the most important element of a computer system, so the performance of a computer is highly dependant on the performance of the processor. For quite some time the performance of a processor has been determined by the number of MHz the clock speed was, but nowadays clock speed doesn\'t have so much to do with the speed of the processor anymore. One of the best ways to compare different kinds of processors, is to look up benchmarks on the internet. Please be careful to buy a processor that is compatible with your motherboard, i.e. fits in the right socket.
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Included since: 28 Jan 2006
The date Icecat noticed for the first time that this product was included in the price list of a channel partner
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Info modified on: 10 Mar 2019 14:54:09
The date of the most recent change of this product data-sheet in Icecat.
Long product name Intel Pentium 805 processor 2.66 GHz Box 2 MB L2 :
The short editorial description of Intel Pentium 805 processor 2.66 GHz Box 2 MB L2

Intel® Pentium® D Processor 805 (2M Cache, 2.66 GHz, 533 MHz FSB)
Intel Pentium 805 processor 2.66 GHz Box 2 MB L2:
The official marketing text of Intel Pentium 805 processor 2.66 GHz Box 2 MB L2 as supplied by the manufacturer

An Intel® Pentium® D processor-based PC delivers an extra powerful gear when you need it. Accomplish more while running multiple applications, such as editing video while downloading music.

Intel® Pentium® D Processor Features:

Provides two execution cores in one physical processor allowing the platform to do more in less time while enjoying smooth interaction with your PC.

Enhanced Intel SpeedStep® Technology
Enables cooler and quieter PC designs—depending on system implementation and usage.

Execute Disable Bit
Can help to prevent some classes of viruses and worms that exploit buffer overrun vulnerabilities thus helping to improve the overall security of the system.

Intel® Extended Memory 64 Technology
Processors with Intel EM64T allow platforms to access larger amounts of memory and will support 64-bit extended operating systems.

Short summary description Intel Pentium 805 processor 2.66 GHz Box 2 MB L2:
This short summary of the Intel Pentium 805 processor 2.66 GHz Box 2 MB L2 data-sheet is auto-generated and uses the product title and the first six key specs.

Intel Pentium 805, Intel® Pentium® D, 2.66 GHz, LGA 775 (Socket T), 90 nm, 64-bit, 533 MHz

Long summary description Intel Pentium 805 processor 2.66 GHz Box 2 MB L2:
This is an auto-generated long summary of Intel Pentium 805 processor 2.66 GHz Box 2 MB L2 based on the first three specs of the first five spec groups.

Intel 805, Pentium. Processor family: Intel® Pentium® D, Processor frequency: 2.66 GHz, Processor socket: LGA 775 (Socket T). Thermal Design Power (TDP): 95 W. Number of Processing Die Transistors: 230 M, Processing Die size: 206 mm², Number of Graphics & IMC Die Transistors: 230 M. Processor package size: 37.5 mm. Cache memory: 2 MB

Processor family *
A family of processors is a group of processors produced by one company over a short period of time e.g. Intel Pentium processors.
Intel® Pentium® D
Processor frequency *
The speed that the microprocessor executes each instruction or each vibration of the clock. The CPU requires a fixed number of clock ticks, or cycles, to execute each instruction. The faster the clocks rate, the faster the CPU, or the faster it can execute instructions. Clock Speeds are usually determined in MHz, 1 MHz representing 1 million cycles per second, or in GHz, 1 GHz representing 1 thousand million cycles per second. The higher the CPU speed, the better a computer will perform.
2.66 GHz
Processor cores *
The number of central processing units ('cores') in a processor. Some processors have 1 core, others have 2 (e.g. Intel Core Duo) or more (e.g. the Intel Xeon E7-2850 has 10 cores).
Processor socket *
Mechanical component(s) that provides mechanical and electrical connections between a microprocessor and a printed circuit board (PCB). This allows the processor to be replaced without soldering.
LGA 775 (Socket T)
Processor lithography *
The process which is performed by the processor e.g. CPU (Central Processing Unit).
90 nm
Box *
Plastic or metal shell/container for components.
Processor model *
The model number for the processor in a computer.
Processor threads *
Processor operating modes *
Operating modes for the processors that place restrictions on the type and scope of operations for certain processes run by the CPU. This design allows the operating system to run with more privileges than application software.
Processor front side bus
A computer communications interface used to connect the processor to the rest of the computer, except the cache (and possibly other processors).
533 MHz
Processor series
Intel Pentium D 800 series
Processor cache
2 MB
Processor cache type
CPU multiplier (bus/core ratio)
FSB Parity
Bus type
Processor codename
Processor ARK ID
ECC supported by processor
On-board graphics adapter *
Graphics hardware which is built into the motherboard or CPU, as opposed to a separate graphics adapter (video card). On-board graphics uses CPU and RAM for graphics processing.
Thermal Design Power (TDP) *
95 W
Execute Disable Bit
Thermal Monitoring Technologies
Number of Processing Die Transistors
230 M
Processing Die size
206 mm²
Number of Graphics & IMC Die Transistors
230 M
Embedded options available
Physical Address Extension (PAE)
32 bit
Market segment
Processor special features
Intel® Hyper Threading Technology (Intel® HT Technology)
Improved Performance for Threaded Software Intel® Hyper-Threading Technology (Intel® HT Technology) makes efficient use of processor resources, enabling multiple threads to run on each core and increasing processor throughput. Available on Intel® Core™ and Intel® Xeon® processors, Intel HT Technology helps run demanding applications simultaneously, protect and manage systems, and provide headroom for business growth.
Intel® Turbo Boost Technology
Higher Performance When You Need It Most Intel® Turbo Boost Technology 2.0 accelerates processor and graphics performance by increasing the operating frequency when operating below specification limits. The maximum frequency varies depending on workload, hardware, software, and overall system configuration.
Intel® AES New Instructions (Intel® AES-NI)
Added Security with Faster Data Encryption The Intel® Advanced Encryption Standard New Instructions (Intel® AES-NI) enable fast and secure data encryption and decryption for better performance and less risk from timing and cache-based attacks than table-based software implementations. Intel AES-NI supports usages such as standard key lengths, standard modes of operation, and even some nonstandard or future variants.
Enhanced Intel SpeedStep Technology
Intel Trusted Execution Technology
Intel Enhanced Halt State
Intel Demand Based Switching
Intel 64
Intel Virtualization Technology for Directed I/O (VT-d)
Simplify Virtualization and Reduce Overheads Intel® Virtualization Technology (Intel® VT) helps make virtualization practical by eliminating performance overheads, reducing complexity, and improving security with hardware assistance. Virtualization allows multiple workloads to share a common set of resources so that a variety of workloads can co-locate while maintaining full isolation from each other.
Operational conditions
64.1 °C
Technical details
Processor cache
2048 KB
Product type
The sub-category of the product.
Born on date
Bus bandwidth
Bus type units
Processor core voltage
1.200-1.400 V
Product name
Intel Pentium D 805 (2M Cache, 2.66 GHz, 533 MHz FSB)
End of Life
Processor brand name
Intel Pentium
Last change
Product family
Legacy Intel Pentium Processor
Weight & dimensions
Processor package size
37.5 mm
Other features
Cache memory
2 MB
Source Testseek summary Average rating
2015-01-23 05:43:39
Testseek has collected 9 expert reviews for Intel Pentium 805 processor 2.66 GHz Box 2 MB L2 and the average expert rating is 83 of 100. The average score reflects the expert community’s view on this product. Click below and use Testseek to see all ratings, product awards and conclusions.
Source Review comments Score
2015-01-23 05:43:09
There are still some situations in life that are guaranteed to put a grin on anyones face, even hard-boiled technical sceptics like us. This particular story borders on being a sensation unmatched in our last eight years of hardware reviews. The new...
2015-01-23 05:43:39
Like the Socket 939 Opteron 144 and 146, the out-of-the-box performance of the Pentium D 805 leaves a lot to be desired, but all three of these CPUs are very overclockable. However, this is where the comparison ends, as the Pentium D 805 is a dual-core...
Bottom line Like the Socket 939 Opteron 144 and 146, the out-of-the-box performance of the Pentium D 805 leaves a lot to be desired, but all three of these CPUs are very overclockable. However, this is where the comparison ends, as the Pentium D 805 is a dual-core...
2015-01-23 05:43:09
Der er være ret meget tale omkring de nye processorer som både AMD og Intel kommer med i disse tider, men der er faktisk lige så meget tale om en ganske bestemt processor fra Intel som har vist sig at være blandt de nye "konger" på ekstrem overclocki...
2015-01-23 05:43:09
2015-01-23 05:43:09
Dealing with current news means that we rarely have the opportunity to review old products and of course a comparison between the most recent products and those that came out several years ago can get a little problematic. But we’ve decided to push th...
2015-01-23 05:43:09
Late last year, a critical situation shaped up on the market of desktop processors. Because of missed supplies of AMDs lower-end processors, prices on them went up immensely, almost twice as much. That resulted in the rise of prices for Intel processo...
2015-01-23 05:43:24
On April 7th, 2006, Intel silently launched the Intel Pentium D 805 processor. That makes the Pentium D 805 processor the entry level dual-core CPU for any Intel platform. Running at 2.66GHz the Pentium D 805 utilizes a Front Side Bus (FSB) of 53...
Bottom line The Intel Pentium D Processor 805 is the lowest priced dual-core desktop processor on the market from either Intel or AMD and overclocks to become a great performing processor at a killer price...
2015-01-23 05:43:39
Dual core everywhere. That is the current message - and the processor manufacturers are NOT kidding. AMD is still maintaining a premium pricing for their dual core processors, but Intel has fired the first shot in the next price war with the introducti...
Bottom line Just as a reminder, this was a processor review, NOT a video card review, which is why the "game" tests were run at 640x480. Modern video cards have so little trouble with rendering at 640x480 that game benchmarks are effectively processor benchmarks...
2015-01-23 05:43:09
Intel Pentium D 805 ble lansert etter de andre medlemmene i D 8xx-serien. Prosessoren ble kjent allerede sommeren 2005. Likevel skulle det gå helt til mars i år før prosessoren ble en realitet. Det som er så spesielt med denne prosessoren er den lave...
Good Særdeles rimelig, Holder seg kjølig, Greit effektforbruk, Dobbelkjerne...
Bad Mangler den helt store ytelsen...
Bottom line Intel Pentium D 805 må kunne kalles en meget spennende prosessor. Prosessoren muliggjør dobbelkjerner helt ned i det vi vil kalle budsjettklassen. Likevel, den har så absolutt sine negative sider også. Den helt rå kraften uteblir med glans på denne pr...
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