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Running the Zenbook Prime show is a third generation (Ivy Bridge) Intel Core i7-3517U CPU, which is an ultra-low-voltage (17W) CPU with a 1.9GHz frequency (it can go up to 2.4GHz in this Ultrabook in Turbo Boost mode), two cores and Hyper-Threading. It's a CPU that gives this Ultrabook a lot of power for regular office tasks, and it can also be used for transcoding media files (when you want to convert files for use on a mobile device, for example). It's accompanied by 4GB of DDR3 SDRAM (1600MHz) and a 256GB SanDisk U100 solid state drive, which has a formatted capacity of 220GB. It's a strong configuration all up, and it allowed the Zenbook Prime to put up good results in our tests.
In our Blender 3D rendering and iTunes MP3 encoding tests, the Prime returned times of 42sec and 48sec, respectively. In our AutoGordianKnot DVD-to-Xvid conversion test, a time of 50min was achieved — anything under one hour for an Ultrabook with battery such as Apple M9756 Battery , Apple MA458 Battery , Apple MA561 Battery , Apple A1106 Battery , Apple iBook G3 14 inch Battery , Apple iBook G4 14 inch Battery , Apple iBook LCD 16 VRAM Battery , Apple iBook LCD 32 VRAM Battery , Apple iBook LCD Battery , Apple M8760 Battery , Apple PowerBook G4 12 inch Battery , Apple PowerBook G4 15 inch Battery in this test is outstanding — while in the ArcSoft Media Encoding test, where we convert a DVD file to an MKV file, it took just over 10min. We enjoyed using this Ultrabook very much for daily work and entertainment tasks; applications loaded swiftly and multitasking was a breeze (especially with the large screen resolution).
The ZenBook Prime uses integrated Intel HD 4000 graphics processing, which provide much better performance over previous generation Intel HD 3000 graphics. In 3DMark06, the Zenbook Prime reached a mark of 5150, which is almost a 50 per cent improvement in performance over the first-gen Zenbook. The adapter drives a Full HD screen that looks stunning, and we'll get to that in a moment.
For storage, the 256GB SSD provides ample space for a mobile computer — it's plenty for lots of applications and the operating system, as well as for carrying around a selection of media files for when you're on the road. It's also very quick. In CrystalDiskMark, it achieved sequential read and write speeds of 461 megabytes per second (MBps) and 352MBps, respectively, and these actually exceed the manufacturer's stated ratings for this SSD. In our file duplication tests, the speed was also impressive, recording 57.12MBps. It's a better overall result than the storage system in the Ultrabook, but the Dell XPS 13's storage still leads the way in our file duplication test, with a recorded rate over 160MBps.