Fortunately, the ultrabook includes support for the Bluetooth 4.0 standard. We feel that Acer could have implemented a dongle connection as in the Acer Aspire V5-531. In this regard, the lack of an Ethernet port could be a significant weakness as Gigabit Ethernet would be the best way to transfer large amounts of data when Wi-Fi reception is bad. Other laptops tested in the same scenario achieved a full five-bar connection in Windows. In our test environment, the ultrabook was never able to attain more than three of the five bars shown in Windows’ system tray even when the notebook was within 4 meters of the router. We found that the ultrabook’s Wi-Fi reception could have been better. Our test device features the Qualcomm Atheros AR5BWB222 Wi-Fi module which supports the 802.11b/g/n standards. The most expensive model costs 999 Euro (~$1249) and features the aforementioned SSD as well as the Intel Core i7-3517U.Ĭompeting ultrabooks include the Acer Aspire S ( Intel Core i5-2467M, Intel HD Graphics 3000), Lenovo IdeaPad U310 (Intel Core i5-3317U, Intel HD Graphics 4000), and Fujitsu LifeBook UH572 (Intel Core i5-3317U, Intel HD Graphics 4000). For 100 Euro (~$125) more, the ultrabook can be configured to use a 128 GB SSD instead of a physical hard disk. The other two Aspire S3-391 versions differ from our test device only marginally. Our system also features a 500 GB hard disk with a 20 SSD cache. As is the case with other Ivy Bridge-based notebooks, the processor-integrated Intel HD Graphics 4000 graphics card is responsible for video output. The processor is paired to 4 GB of working memory. Our sample device is powered by the dual-core Intel Core i5-3317U processor. We tested the lowest priced 799 Euro (~$999) version. The Acer Aspire S3-391 is available in three versions.
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