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On my system, the Boot Camp installation scored 308 MB/s for the CPUCompression2Metric and 470.9 MB/s for the Encryption2Metric, versus 152.5 and 223.0 for the same metric under Parallels. You can see at a glance that virtualization takes a significant chunk of CPU capability away. For the optimized setup, I increased RAM to 3 or 4 GB. The default VM configuration sets aside a mere 1 GB of RAM for the VM. The two MacBook Airs have different CPUs, but both have the same 128 GB SSD and Intel onboard graphics. The color coding is simple, bright green is the best, dark red is the worst, with yellow in the middle. The top group shows scores for my Mac Mini the bottom chart shows the two MacBook Airs.Īll of these scores are on a scale of 1-7.9. Here are the side-by-side WEI scores for all systems. Click through to the next page for details. I was shocked at the differences in performance. In addition, I collected performance information from my colleagues Zach Whittaker and Christopher Dawson, both of whom have new MacBook Airs running Windows on the side. I have Windows running in Boot Camp and in multiple virtual machines. The latter two pieces of the puzzle are recent upgrades, with the disk being a substantial improvement over the original sluggish 5400 RPM drive. I looked at these numbers on my late-2009 Mac Mini, with a decent Core 2 Duo CPU, 8 GB of RAM, and a 7200RPM Seagate Momentus XT hybrid disk. You can look at the five numbers that make up the Windows Experience Index (WEI), but the detailed numbers are much more illuminating. To measure performance, I looked at the raw data that Windows captures when you run the Windows System Assessment tool (WinSAT.exe). What I found even more interesting was the decrease in performance that you get when you run Windows on Apple hardware. It's at least $300 if you use commercial virtualization software, and possibly much more if you need to pay for additional licenses for Windows apps. That's a bare minimum of $250 on top of the premium cost you pay for Apple's hardware. If you plan to use Boot Camp exclusively, you can skip this line item. VirtualBox is a free option, but when I looked at it a few months ago it was behind the others in terms of Windows support. I've been able to find discounts that take the cost into the sub-$60 range. IS IT ILLEGAL TO HAVE A MAC OS X EMULATOR ON VMWARE SOFTWARE
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