cpu overclock record
A definitive guide on how to elect a new PC
As a specialist in information technology I always thought how frustrating I'm wrong or uninformed by vendors and retailers in purchasing decisions that could. There are many PC buying guides available there, but they are too focused in the choice of technology for your date too fast or do not help to meet your specific needs. They are often too high and only explain the details simple specification and minute of a sales representative or consultant gives you other options or explanations are lost. This guide is intended for the novice user a fairly experienced PC. If you are a guru or expert, you should know most of these already.
As the leader of an example of how easy it is to deceive a famous brand of PC was great publicity recently, his "XYZ-PC Wizbang 'with 12 gigabytes of memory, Intel Extreme quad core quad graphics cards. Sounds impressive huh? When I saw the low price that became suspect. Clicking on the link for more details, then click Options and then click the technical specifications, then read it very carefully and found that only 3 GB of memory but is expandable to 12 GB, with a processor of Standard Intel, but has an option to the extreme, and supports graphics cards quad, but comes with one. You can imagine without digging into the details the price was quite attractive.
A favorite of mine that says something like "Give a hungry man a fish and eat for a day, give you the tools for fish and feed for life. "So that about sums up the intent of this guide. Being given a little more information, you can specify a manner appropriate to their requirements, rec-examine the suppliers and retailers about the specifics of your machine and reward with a good quality equipment that will last and do whatever he wants. The bond Additional Learning to buy this way is that the custom dates, the same concepts explained here widely applied since the mid – 1980. Many of understanding lies in the demystification of the jargon and do a lot of using simple terms. Understanding is more necessary in that order still occasionally "What is the difference between 4 GB of RAM and 300 GB hard drive, and what I need? ". Hmmmm, if you are in this category, you must read this now ….
PC Components
Before the decisions we need to know that everything in the PC and how it does.
• The CPU or processor – The processor is the engine of your PC, run the instructions a million times a second to get the job you want done over. Modern processors have multiple hearts and are known as dual core (2 cores) and quad-core (4 cores soon "Octa" 8 processors Dual-core is available) that makes a bit like my wife, you can do more than one thing at once, or multitasking.
Let's say I ask of my team to give me a million lottery numbers and it takes eight seconds to complete (in fact, end in the blink of an eye). With a dual core that would only four seconds, I could get a carrot to give me half a million numbers and another to do the same at the same time. So on a quad-core with the same logic that only have two seconds. Breaking multiple tasks of this kind is called "Threading. That's the theory, if you can divide an important task many small tasks that can be executed simultaneously, then the carrots, the better. But there's a catch. All tasks can be broken in this way and not all software providers write programs that way so be sure that you are able to enjoy, then you'll know if you're traveling for a duo or even a quad-core processor Octa.
The other factor affecting performance is the CPU clock speed in GHz (cycles per second). Most processors today is between 1.8 GHz and 3.3GHz. All cores on a multi-core processor was in the same clock speed. So if you see a manufacturer to describe a PC as 12GHz, then the they do is probably increase the clock speed by the number of cores (4 cores per 3GHz). Perhaps to make your PC look great, faster than anyone else who knows. Clock is simpler than the number of cores, the higher clock speed simply means that the fastest execution time endpoint. Therefore, if you can not get the benefit of more cores, must be able to get the benefit of greater GHz
· Memory (RAM) – While the team is in the processor memory stores your current job. Computer memory is the fastest place the computer can store information so that when it's done its job site he prefers to do so. However, it has more available memory, begin to store things on your hard drive in place (known as virtual memory paging) and this is when things slow down dramatically. So be sure not to skimp on memory more enough of it, much as you can afford. Secondary to that is how fast it is in itself. As a guide to Windows Vista actually eating the first of 1 Go to their memory be at least 2 GB (DDR2) or 3 GB (DDR3) for general light use, and 4 GB (for DDR2) 6 GB (for DDR3) or for the more demanding games or applications.
Memory speed is measured on a combination of MHz, the rate and latency. It is also important to remember that the bandwidth is different from that of speed. Imagine the memory bus is like a road. A one-lane road with fast cars driving say 70 mph, each car will reach its destination quickly, but there will be many cars and can be placed on the road. On the other hand, a four-lane highway, even if it is less at 55 mph will get more cars to their destination in the same period, despite all vehicles take longer to travel individually, Feeling bandwidth. None-the-less clearly the two are linked close road can match the bandwidth of a multilane highway If cars are able to move fairly quickly.
Different tasks require you to have on the bandwidth demand for computers or speed, or balance both to work optimally. The memory bus type of technology used also affects the bandwidth is DDR, DDR2, DDR3, etc. means Double Data Rate DDR and after the number indicates how many parallel channels used to communicate. Clearly more networks than using more bandwidth it will. DDR2 has twice the memory bandwidth of DDR and DDR3 in turn the bandwidth 150%. As a simple rule and approximate MHz memory speed is doubled for each level of DDR, and everyone has a latency of almost double that of its predecessor. So to get the DDR2 memory faster than 400MHz DDR, DDR2 should be 800 MHz and bandwidth due to its dual channel, receives much higher. Think about this carefully, and DDR3 1333MHz is not automatically better than DDR2 1100MHz, for the foregoing reasons, often means their latest technology is the best and is not always the case.
At the time of writing you should expect to get a new PC with DDR3 1333MHz to 1600MHz memory. Or if you have DDR2, 800 MHz or more. In regard to latency, it is complicated to explain, but if makes it a demanding job, confident that its low latency memory. To enjoy the games and the overall speed of work is more important than bandwidth for the encoding video and other tasks in the volume of data path around the priority of bandwidth.
• The floppy disk drive (disk hard or storage) – The hard drive unlike the memory is slower, but the permanent store. When the computer is off all your files are still there, ready when you return again. For most people the only thing that interests us is whether the shop is quite large. The mechanical hard disk drives are so cheap now you can get the capacity of a much more expensive than its ever likely to require little money. In general, a new team must have at least 300 GB capacity storage.
If you do a lot of photography, database or video work and the disk speed is important for you. There are four things that affect the speed of the hard disk 1) velocity (typically 7200 rpm, but to 15000rpm), 2) the amount of data stored by the square of its surface (the plate), ie, the surface density, 3) the speed of the interface to the PC, now must be SATA-II, which can transfer data up to 300 Mb / s, and 4) the rate at which the head the disc may be moved through the water (the overall average seek time of about 8 ms). This is usually the least important.
The new technology is maturing rapidly solid state disk or SSD. It has no moving parts and uses a special type of permanent memory (such as USB flash memory sticks) for storing computer data only as a disk drive. It is a complex subject in itself and a specialized field. For the vast majority of people that are too expensive present to offer great value and cheap SSD will outperform a hard disk or in limited scenarios.
· Graphics Card (or GPU, Graphics Processing Unit) – If you do not play games, edit video, 3D graphics, not modeling, CAD or design work you can skip this section as all cards Modern graphics do. This includes photographers as a photographic work is still mainly limited by the CPU and graphics card. The reasons for invest a lot of technology in graphics cards were the processing requirements of real-time 3D graphics. This is so demanding that more power is now can support GPU processing in high-end cards in the central processor of the PC.
There are two main candidates in the field of ATI and nVidia. Both are excellent and offer very similar performance in terms of value. They keep swapping the crown for you to know that is the fastest drive at any time. Generally, unless you need the best of the best in the second or third letter the top of the range should do everything you need and much cheaper. Graphics cards have its own processor dedicated to his heart, known under the GPU. The speed of the GPU is measured as you say the main processor in terms of nuclei (streams) and Mhz. More hearts MHz and higher are generally faster. There are differences between the architectural design of the ATI and nVidia, so can not compare so reliable base for the heart, MHz for MHz. You have to look into one vendor for this type of comparison.
Almost all cards are now charging Dual DVI (digital) monitor the results of which can have two monitors connected simultaneously. The other important thing that varies is the screen resolution that the support you must wait a minimum of 1600×1200, the higher you go you need more memory on the card (like his actions as a frame buffer) and the most powerful card will quickly make the larger screen.
Many graphics cards can now be installed using nVidia or ATI Crossfire things standards-GPU SLI communication and interfaces. It is also possible to have two GPUs on one card in this case, SLI or Crossfire, which aims to link the two GPUs on one card. Be careful with this method increases graphics performance for their applications and some games are not designed to effectively use and do not linearly scale each card (or GPU) can give an extra 40-60% performance gain over the single card (or GPU).
· Windows 32 or 64-bit (or operating system) — All about memory. Computers use the binary system of 1 and 0 to express the numbers and the number of zeros and ones determines how they use a significant number of computer can use. Each position in the computer memory referenced by a sequential number, like a street address for the postal service. Having team of 32 bits have to send up to 4 GB of memory, you can add more, but the team just does not see and is no longer enough. So now the standard address is 64 bits and this means that we can refer to 2 ^ 64 memory locations, or 17.2 billion gigabytes (or 16 exabytes)! Therefore, it should be a while before we can change that again. Although most motherboards are the last to accept up to six sticks of RAM you have the density of up to 4 GB for 24 GB bar is the practical limit.
· Optical Drives (DVD, CD and Blu-ray) – Optical disks come in three flavors DVD burner (DVD-RW), DVD / Blu-ray (BD-R / DVD-R) and Blu-ray (BD-RW). Really speak for themselves, Blu-ray is superior to DVD in two ways: 1) using blue laser light, which has a density much greater than a red laser DVD so they have greater capacity of 50 GB on one 8.5 GB DVD in general, 2) that can play Blu-ray or Blu-ray recorder. If it does not matter at all of these features do not need Blu-ray and can save you money. Normally, only moviegoers and video editing using the Blu-ray.
· (Connections interface for PC devices and accessories) – Any modern PC should maintain the supportive relationships following rules: Firewire (IEEE1394), USB2, eSATA and HD multichannel audio. Therefore, we expect that as a minimum.
· Case – For your average PC, no matter what you choose. However, if you think you might want to update regularly, and choose a standard size and construction and not a trademark case. Principal case marking deliberately designed to be of two measures that are not upgrading, or non-standard dimensions are very difficult to to work and remove obsolete components. In addition, make sure you have good cooling, front, rear and top, ideally, fans, and is quiet. If you can afford to choose an aluminum tool cases less than the stamped steel. In general, look better and are much easier to update. Sure also that some teams have interfaces sockets on the chassis know USB2, audio, FireWire (IEEE1394) and eSATA.
Many factors affect performance more advanced than me very briefly, as a detailed explanation is beyond this article. Please refer to my other articles for more information when I go to all of them in some depth (a test that an entire section devoted to them).
· Front Side Bus, HyperTransport (AMD) or Quick Path Interconnect (FSB or Intel Core i7 QPI) – This is a channel of communication (a "bus") between memory and processor. In the last ten years has steadily increased from 10 MHz of last year, support (Core 2) to strike the roof technologies for 1600 officially (though overclocking faster speeds if possible). 4800 to present speeds QPI 6400GT / s
· Overclocking – With the correct provider of competent and experienced, are simply the best equipment you can buy and generally represent very good value.
· SpeedStep (EIST o) – sounds appealing, but not really. It's technology that reduces power consumption when the processor usage is low.
· HyperThreading – Allows the processor to create the illusion that Windows has more processors than it actually does. So a Quad Core with HyperThreading would like the eight hearts. This is not as good as it sounds though, as everyone does processor allows to use additional virtual roller bits processor that are not occupied. So if you work very hard sound, as if he bit processor is not busy and not really useful to everyone. In general, allows the use of 10-15% E. PERFORMANCE With heavy processor load that actually gets in the way and lower the yield of 5% or more.
· Turbo – not dragged back into use again with the new Intel Core i7 processor and runs the opposite type of way about SpeedStep. It simply means if the processor is in high demand then the PC will increase performance by increasing the clock speed of 200-300MHz processors. Its usefulness is exaggerated.
· RAID – Technology is a disk controller that can both increase the disk transfer time and the resistance of a disk failure. Are performance in various flavors of RAID 0, RAID 1 and RAID 5 for resistance or RAID 10 for both endurance and speed.
Conclusion
Now you are armed with all the necessary tools for suppliers and retailers to task for inadequate or inaccurate specifications and questionable sales tactics. Get the value of money and be firm about what your requirements are and what you expect for your money. Make sure your updated and no more lower limit for their personal needs. Above all, have fun and enjoy it …
About the Author
Chief Technologist at Cryo Performance Computers. Leading the development of innovative PC design. Cryo PC supply high performance specialist PC’s including professional custom built pc’s and extreme gaming pc’s.
CPU Overclocking 101 – Part 1 Introduction
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