Guide for buying a laptop is so important, with a laptop, recommendation they are so many things to look for, which included and not limited to the processor, RAM, graphics, display, and other features, these are just a few of the things need to make a laptop run decent . Deciding what you need and what you can live without is difficult, but it’s essential to selecting a laptop you love at a price you can afford. If you don’t understand the specifications, you could save money but miss out on the features and performance you require, or you could spend too much for things you don’t really need. The CPU is the brain of any computer, and is responsible for running the operating system and every application you use. A fast CPU means faster-running programs, but usually it also means lower battery life time and a more money needed to spend buying the laptop. This is an important guide for buying a laptop, nearly every laptop has a CPU from AMD or Intel. If you’re buying a Netbook, you’re bound to find that it uses an Intel Atom processor. You won’t encounter a particularly noticeable difference in performance between the Atom chips you find on modern systems, but the newer N450 Atom processors do offer slightly better battery life. Ultraportable PCs generally use low-voltage AMD or Intel processors. These chips are usually dual-core CPUs that are quite similar to the regular notebook CPUs found in larger laptops but run at much lower clock speeds (1.2GHz instead of 2.1GHz, just to name a few). More cache is preferable, and higher clock speeds are better but will drain the battery faster. AMD’s CPUs are a bit slower than Intel’s. Note, too, that some ultraportable don’t use low-voltage CPUs, and are considerably faster (but have shorter battery life) than those that do. All-purpose and desktop-replacement laptops offer both dual-core and quad-core CPUs in a range of speeds. Intel’s Core i3 and Core i5 CPUs are excellent for most users; only people who truly need a quad-core CPU (for encoding video, playing games, or running engineering applications, for example) need to look for a quad-core Core i7 processor. Again, more cache and higher clock speeds are better, but any CPU over 2.0GHz is fast enough to handle all the basic stuff, like playing music, surfing the Web and playing Web games, displaying online video, and managing e-mail etc. The GPU (graphics processing unit) in a computer is useful for more than just playing games. This bit of silicon is ultimately responsible for everything you see on screen, from 3D games to the basic desktop. Perhaps more important for some people, many GPUs can accelerate video decoding: With the latest version of Adobe Flash and the right GPU, Web videos from YouTube or any of your favourite video sites will run more smoothly and look even better. In our guide for buying a laptop you will realize that most laptops are available with a choice between integrated graphics (from Intel or AMD) or a discrete GPU (from nVidia or ATI, the graphics division of AMD). Integrated graphics are built into either the system chipset (the “traffic cop” that controls the flow of data in the system) or, in newer systems, the CPU itself. Click here to read more
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