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Intel Pentium ® ® D Processor 820 (2M Cache, 2.80 GHz, 800 MHz FSB) 2.8GHz 4MB L2 Box processor

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Intel® Pentium® D Processor 820 (2M Cache, 2.80 GHz, 800 MHz FSB)
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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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Info modified on: 15 Dec 2017 11:38:12
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Long product name Intel Pentium ® ® D Processor 820 (2M Cache, 2.80 GHz, 800 MHz FSB) 2.8GHz 4MB L2 Box processor :
The short editorial description of Intel Pentium ® ® D Processor 820 (2M Cache, 2.80 GHz, 800 MHz FSB) 2.8GHz 4MB L2 Box processor

Pentium D Processor 820 (2M Cache, 2.80 GHz, 800 MHz FSB)

Intel Pentium ® ® D Processor 820 (2M Cache, 2.80 GHz, 800 MHz FSB) 2.8GHz 4MB L2 Box processor:
The official marketing text of Intel Pentium ® ® D Processor 820 (2M Cache, 2.80 GHz, 800 MHz FSB) 2.8GHz 4MB L2 Box processor as supplied by the manufacturer
Extend your multitasking capabilities. 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, or using robust business applications while managing security tasks.

Revved up multitasking
With an Intel Pentium D processor-based PC featuring two full processing cores, you get the flexibility and performance to handle multimedia entertainment, digital photo editing, even multiple users, simultaneously.
Your PC gets resources for multitasking, and you get to accomplish more while running multiple applications, such as editing video while downloading music.

Built for advanced applications
Get the most out of your demanding, multi-threaded applications, perfect for the new world of immersive, high-end entertainment. The Intel Pentium D processor-based PC with Intel dual-core processing technology provides the performance to take advantage of sophisticated gaming software which can result in realistic game environments and challenging game play.

Multiply your multimedia experience
Combined with a digital media adaptor and a home network, an Intel Pentium D processor-based PC allows two people to share the content from one PC - in the same room, or even from different places in the house. For example, one person can be checking email while the other uses a remote control to access digital photos stored on the same PC and view them on the TV from the comfort of their living room.
Short summary description Intel Pentium ® ® D Processor 820 (2M Cache, 2.80 GHz, 800 MHz FSB) 2.8GHz 4MB L2 Box processor:
This short summary of the Intel Pentium ® ® D Processor 820 (2M Cache, 2.80 GHz, 800 MHz FSB) 2.8GHz 4MB L2 Box processor data-sheet is auto-generated and uses the product title and the first six key specs.
Intel Pentium Intel® Pentium® D Processor 820 (2M Cache, 2.80 GHz, 800 MHz FSB), Intel® Pentium® D, 2.8 GHz, LGA 775 (Socket T), 65 nm, 800 MHz, Intel Pentium D 800 series
Long summary description Intel Pentium ® ® D Processor 820 (2M Cache, 2.80 GHz, 800 MHz FSB) 2.8GHz 4MB L2 Box processor :

Intel Intel® Pentium® D Processor 820 (2M Cache, 2.80 GHz, 800 MHz FSB), Pentium. Processor family: Intel® Pentium® D, Processor frequency: 2.8 GHz, Processor socket: LGA 775 (Socket T). VID Voltage Range: 1.200 - 1.308 V. Thermal Design Power (TDP): 95 W, Number of Processing Die Transistors: 230 M, Processing Die size: 206 mm²

This is an auto-generated long summary of Intel Pentium ® ® D Processor 820 (2M Cache, 2.80 GHz, 800 MHz FSB) 2.8GHz 4MB L2 Box processor based on the first three specs of the first five spec groups.
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.
2.8 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).
65 nm
Box *
Plastic or metal shell/container for components.
Processor threads *
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).
800 MHz
Processor series
Intel Pentium D 800 series
Processor cache
4 MB
Processor cache type
L2 cache speed
CPU multiplier (bus/core ratio)
FSB Parity
Bus type
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.
VID Voltage Range
1.200 - 1.308 V
Thermal Design Power (TDP) *
95 W
Execute Disable Bit
Thermal Monitoring Technologies
Number of Processing Die Transistors
230 M
Processing Die size
206 mm²
Processor package size
37.5 x 37.5
Processor code
Embedded options available
Physical Address Extension (PAE)
32 bit
Processor ARK ID
Processor special features
Intel® Hyper Threading Technology (Intel® HT Technology)
Improved Performance for Threaded Software\nIntel® 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\nIntel® 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\nThe 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\nIntel® 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.
Conflict Free processor
"Conflict free" means "DRC conflict free", which is defined by the U.S. Securities and Exchange Commission rules to mean products that do not contain conflict minerals (tin, tantalum, tungsten and/or gold) that directly or indirectly finance or benefit armed groups in the Democratic Republic of the Congo (DRC) or adjoining countries.
Operational conditions
64.1 °C
Technical details
Processor cache
2048 KB
Product type
The sub-category of the product.
End of Interactive Support
Product family
Legacy Intel Pentium Processor
Source Testseek summary Average rating
Testseek has collected 17 expert reviews for Intel Pentium D 820 and the average expert rating is 60 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
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...
Today we take a look at Intel’s Dual Core solution that comes in the name of Pentium-D. With us, we have the 820 which is the lowest-end dual core CPU from Intel clocking at 2.8GHz and has its Hyper-Threading and CPU Throttling features disabled. Wh...
Bottom line Looking at the benchmarks on previous pages, we see the Pentium D 820 performing very well in Video Encoding and 3D rendering. It also performs quite well in multi tasking which is what most of us do nowadays so the low scores in single everyday applic...
As mentioned earlier in the article we were not originally going to compare the 820 to the FX57/X2/EE due to the latter chips being much more expensive than the Pentium D however what was an afterthought was well worth including in the end. It is clear...
Two months ago, after almost a year of hype, dual core processors made their general public debut. With the release of Intel's Pentium D 840, those who could afford the best of the best finally saw the benefits that dual core processors bring to th...
Bottom line The Pentium D 820 is a great processor for those who like to multitask but who are also on a budget. It would not be my first choice for gaming, but if you are in the market for a fairly inexpensive, general processor, the Pentium D would be a great c...
The Pentium D Lineup Though we have already reviewed the first dual core Intel processor a while back in our Intel Pentium Extreme Edition 840 review, the real story may be these little puppies we are looking at today. The Pentium D processor line i...
Bottom line If you run only single threaded applications and only one application at a time, then that should tell you exactly what processor you need: the fastest single core CPU Intel or AMD make. But that isn’t always the case for most users. I would...
It wasnt too long ago that we were all asking the question, "Should I go dual core?" Times have proven that dual core is the future and has clear benefits, which turned that question into, "Which dual core should I get?" Even if you are buying the lo...
Bottom line The 820 D proved to be a great CPU, especially given its cost. For $175US, you can have a great dual core cpu in your rig. I compared the 820 D to my Venice 3200+, which cost $270 when it was new. Just a year later, you get twice the power for less m...
The launch of dual-core AMD Athlon 64 X2 and Intel Pentium D/Intel Pentium Extreme Edition processors gave way to endless debates on numerous web-sites and hardware forums. Although these CPUs are not available in retail yet, the violent discussions of...
Bottom line In this review we tried to compare the processors from the mainstream pricing segment of the today’s CPU market. The situation here changed when Intel announced its dual-core Pentium D processors. The lowest model in this family working at 2.8GHz co...
Andrew B9.1The next wave of processors is finally here and Intels Pentium D 820 dual-core processor will definitely set the benchmark for the next generation of central processing units (CPUs). Intel considers their Pentium D 820 CPU one of their ent...
Bottom line In conclusion, the Intel Pentium D 820 dual processor is an extremely impressive work horse that thrives on multitask operations A dual-core processor is indeed the future of computing and although this processor cannot keep up with the current market...
In recent months, the race between the two major industry playersto bring dual-core processing to the masses has heated up.On April 4th, Intel delivered its first dual-core Pentium offering in the form of the Intel Pentium Extreme Edition 840. AMD was soo...
Although Intel manufactures a wide range of products, it is best known for its processors. And certainly, anyone who has used a computer has heard of Intel. So well skip the preliminaries and shoot straight into the review. :-) Some time back, we had...
Bottom line Overall performance with the D 820 is good. In most tests, it reported better performance than the P4 650. These were mainly CPU benchmark tests with SiSoft Sandra, PCMark05 or Prime95. But in games, the P4 650 reported higher framerates. However, if...
Preview: Today Intel launches the Pentium D line and the Pentium 4 Model 670. Model 820 of the D line is a 2.8GHz dual-core processor with a startlingly low price, and the P4 670 clocks at 3.8GHz. Can cheap dual-core Pentiums slow AMDs momentum?...
Intel now has so many different processor series to choose from it makes buying the right one a difficult job. The current LGA775 platform supports a number of processors featuring different clock speeds, front side bus speeds, cache and cores. The bas...
Bottom line The gaming performance of the dual-core Pentium D 820 is nothing spectacular, as these games are not designed to take advantage of this processor feature. Therefore, the dual-core Pentium processor was no faster than its slightly higher clocked single-...
Intel Pentium 4 670 and Pentium D 820 Another month passes and another couple of processors are released by either Intel or AMD. The last two months have been rather busy on the CPU front. Both rivals launched their own dual-core, consumer-level CPUs...
Bottom line What are the lessons to be taken away from the launch of two new Intel CPUs?. Taking the Pentium 4 670 first, its 3.8GHz clock speed, single-core design, and high power requirements when under load make it the last of a dying breed. Performance-wise...
Four no More After using the "Pentium 4" name for almost 5 years, Intel has finally introduced a new "Pentium". And no, its not the Pentium 5. Its the Pentium D, supporting Dual processor cores on a single CPU die. Try not to be confused by the "Cele...
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