Although other formats are gaining, desktop computers remain a popular choice for many consumers. Desktops still offer a slight advantage in price when compared to laptops, and this is an important consideration for any consumer. When it comes to the ultimate in performance, memory, and screen size for your personal computer, there is no substitute for a desktop model, and these computers will remain the biggest kids on the block for the foreseeable future.
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Performance: Higher end desktops offer advantages over laptops in all areas of performance. Desktops can handle larger processors, more RAM for faster computing, expanded hard disk size for storage of a huge amount of files, and unrivaled ability to accommodate larger screen size.
Upgrades: Desktop PCs offer the most flexibility to accommodate upgrades in hardware and software. This extends the life of the computer, and reduces the need to buy an entirely new computer to substantially enhance performance.
Connectivity: If you have a number of different accessories, hardware add-ons, memory managers, or gaming devices, the plethora of connectivity options provided by desktops will be essential to give you an optimized computing experience.
PC vs. Mac – PCs are still the market leaders, but Macs have a core of enthusiastic followers that continues to grow. PCs have a huge selection of hardware and software add-ons to choose from, but the bulky operating system may require a more powerful computer in order to run smoothly. Macs are efficient and easy to use, but your choices for hardware and software are constrained to a handful of providers. Ultimately, the difference is increasingly becoming one simply of personal preference, rather than performance.
CPU/Processor – The processor is the powerhouse of a computer, and affects all aspects of your computing experience. As the power goes up (measured in GHz), so does performance – if you anticipate needing to run a lot of high-end applications, you will need a more powerful processor, and most new mainstream and high-end PCs come with dual-core or quad-core chips in them, with six-core chips just hitting the market recent years.
RAM – This will provide the speed of your desktop. The amount and type of memory you choose goes a long way toward dictating your system's level of overall performance. 4GB of RAM is becoming standard recently, replacing 2GB of RAM, which matches a much quicker machine. Desktops are not constrained by issues of portability, and thus have an advantage versus laptops with the ability to allow 4GB of RAM and beyond. When buying RAM, try to buy as few DIMMs (Dual Inline Memory Module) as possible to allow for future RAM upgrades if needed.
Graphics Card – For basic computing tasks, such as emailing, browsing and watching video from the Web, and giving the occasional photo slideshow, you can get away with integrated graphics. If your video application go beyond the basics, however, you'll be best served by choosing a dedicated graphics card with its own graphics memory. Gamers, digital media makers, and anyone who wants to use more than two monitors will all benefit from adding a discrete graphics card. You should consider performance, the amount of memory on the card, output connectors and the version of Direct X supported. Those looking to play games a lot should really consider a Direct X 10 card with at least 512MB of memory onboard. The vast majority of new 3D graphics cards require a PCI Express slot. PCI Express 2.0 doubles the bandwidth, and PC Express 2.0 cards are backward compatible with PCI Express 1.0 slots. Make sure you get a card that suits your expansion slot type.
Hard Drive – The hard drive stores all of the information on your computer. Mainstream users should aim 500GB hard drives at minimum, and will likely find a system with 640GB, 750GB, or even 1TB that fits comfortably in their price range. Desktops offer the most robust storage available, with hard drive sizes of 1TB+ becoming increasingly common for professional music, graphics, and video applications. If you demand much higher, you'll find single drives with capacities up to 2TB. In terms of speed, they are pretty much all running at 7200rpm now. A few high performance 10,000rpm drives are available. Most drives use the Serial ATA interface now for ease of installation.
Screen Size – Desktops have a huge advantage in screen size, allowing for sizes far in excess of other formats. Based on performance and price, 22” LCD screens offer the best value, but consumers interested in the best display characteristics are upgrading to 24” and beyond. Desktops even allow for multiple screens to be used, a convenience for users who require multiple windows to be accessible at all times.
Dell has a huge number of available desktops, and their business model allows consumers the convenience of selecting components to 'build' their computer. Lenovo, HP and Gateway are familiar names with a legacy of outstanding value, and they offer desktops at all levels of price and performance. Asus and Acer have established themselves as the place to go for entry-level models at bargain prices.
Apple has a wide range of models in its iMac line and has something for all levels of users, from casual computer enthusiasts to dedicated media professionals who require a media design, editing, and storage machine.
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