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The flash storage on the new CTO iMac is connected via PCIe, which Apple says can deliver up to 50 percent faster performance. The new CTO iMac with a 3TB Fusion drive took 35 seconds to complete the task. Copying 6GB of files and folders from one spot on the drive to another took nearly two and a half minutes on last year’s high-end iMac with 1TB 7200 rpm drive. Fusion Drive marries a speedy 128GB flash storage drive to a roomy hard drive, giving Fusion Drive the high capacity of a hard drive, but the performance of an SSD. Much of the performance differences we see when comparing the new CTO iMac to the old standard configuration models are due to the custom system’s fast Fusion Drive. The new custom iMac was 48 percent faster than last year’s top of the line iMac and 57 percent faster than the new entry-level 21.5-inch iMac. Speedmark 8, the new CTO iMac was 6 percent faster, overall, than last year’s custom iMac, a 27-inch model with a 3.4GHz quad-core Core i7 (Ivy Bridge) processor, 1TB Fusion Drive, 8GB RAM, and Nvidia GeForce GT 680MX graphics with 2GB of video RAM.
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In our system performance benchmark suite, With these $700 in upgrades, the retail price of our CTO iMac came to $2699. Finally, our iMac has the upgraded graphics card as well, opting for an Nvidia GeForce GTX 780M with 4GB of video memory over the standard GTX 775M with 2GB of RAM. Our ultimate iMac also upgrades the standard 1TB, 7200-rpm hard drive to a 3TB Fusion Drive, a $350 upgrade. The memory stays at 8GB, though 16GB and 32GB upgrades are available through the Apple Store for $200 and $600, respectively. Our CTO 27-inch iMac takes the $1999, high-end configuration and upgrades the processor from a 3.4GHz quad-core Core i5 processor to a 3.5GHz quad-core Core i7 processor, a $200 option. Macworld Lab has an “ultimate” configuration iMac that combines most of these upgrades, promising higher performance for those willing to pay the price. As with most Macs, though, these new iMacs can be configured to order (CTO) at the time of purchase with an assortment of storage, processor, graphics and RAM options. The new 2013 iMacs come in four standard configurations, two 21.5-inch models and two with 27-inch screens.