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Is Windows 7 Worth It?Harry McCracken, PC WorldMonday, October 19, 2009 10:00 AM PDTReading about a new operating system can tell you onlyso much about it: After all, Windows Vista had far more featuresthan XP, [CONJUNCTION] fell far short of it in the eyes of manyusers. To judge an OS accurately, you have to live with it. Overthe past ten months, I've spent a substantial percentage of mycomputing life in Windows 7, starting with a preliminary versionand culminating in recent weeks with the final Release toManufacturing edition. I've run it on systems ranging from anunderpowered Asus EeePC 1000HE netbook to a potent HPTouchSmart all-in-one. And I've used it to do real work, not labroutines. Usually, I've run the OS in multiboot configurations withWindows Vista and/or XP, so I've had a choice each time Iturned the computer on: [MODAL] I opt for Windows 7 or anolder version of the OS? The call has been easy to make,becauseWin 7 is so pleasant to use.So why wouldn't you want to run this operating system?Concern over its performance is one logical reason, especiallysince early versions of Windows Vista managed to turn PCs thatran XP with ease into lethargic underperformers. The PC WorldTest Center's speed benchmarks on five test PCs showedWindows 7 to be faster than Vista, but only by a little; I've foundit to be reasonably quick on every computer I've used it on -even the Asus netbook, once I upgraded it to 2GB of RAM. (Ourlab tried Win 7 on a Lenovo S10 netbook with 1GB of RAM andfound it to be a shade slower than XP; for details see Windows7 Performance Tests.).Here's a rule of thumb that errs on the side of caution: Ifyour PC's specs qualify it to run Vista, get Windows 7; if theydon't, avoid it. Microsoft's official hardware configurationrequirements for Windows 7 are nearly identical to those itrecommends for Windows Vista: a 1-GHz CPU, 1GB of RAM,16GBof free disk space, and a DirectX 9-compatible graphicsdevice with a WDDM 1.0 or higher driver. That's for the 32-bitversion of Windows 7; the 64-bit version of the OS requires a64-bit CPU, 2GB of RAM, and 20GB of disk space.Fear of incompatible hardware and software is anotherunderstandable reason to be wary of Windows 7. Oneunfortunate law of operating-system upgrades - which appliesequally to Macs and to Windows PCs - is that they will breaksome systems and applications, especially at first.Under the hood, Windows 7 isn't radically different fromVista. That's a plus, since it should greatly reduce the volume ofdifficulties relating to drivers and apps compared to Vista'sbumpy rollout. I have performed a half-dozen Windows 7upgrades, and most of them went off without a hitch. Thegnarliest problem arose when I had to track down a graphicsdriver for Dell's XPS M1330 laptop on my own - Windows 7installed a generic VGA driver that couldn't run theAero userinterface, and as a result failed to support new Windows 7features such as thumbnail views in the Taskbar.The best way to reduce your odds of running into ashowstopping problem with Windows 7 is to bide your time.When the new operating system arrives on October 22, sit backand let the earliest adopters discover the worst snafus. Within afew weeks, Microsoft and other software and hardwarecompanies will have fixed most of them, and your chances of ahappy migration to Win 7 will be much higher. If you want to bereally conservative, hold off on moving to Win 7 until you'reready to buy a PC that's designed to run it well.Waiting a bit before making the leap makes sense;waiting forever does not. Microsoft took far too long to come upwith a satisfactory replacement for Windows XP. But whetheryou choose to install Windows 7 on your current systems or getit on the next new PC you buy, you'll find that it's theunassuming,thoroughly practical upgrade you've been waitingfor ? flaws and all.(Adapted fromhttp://www.pcworld.com/article/172602/windows_7_review.html)

Segundo o texto, para julgar com precisão o desempenho de um sistema operacional, é conveniente