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Opening the display with one hand is not possible, because then the base unit will lift up. The hinges hold the display firmly in position. When lifting the open notebook at the two opposite corners, the case warps just a little. Presumably this mistake is only present in our test device. It appears as if a keyboard screw or a fastening clip has been forgotten at this location of the production model. While using the 'E', 'R' and surrounding keys, the keyboard rattles. This rattling occurs on the production model but not in the pre-production model. Especially at the upper edge near the F-keys the keyboard is very loose. The palm rest bends a little under a load, while the keyboard bends considerably more.
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In general the casing gives a firm impression. The upper edge of the base unit (about 3.5 mm/0.14 in.), the display frame, as well as the sides of the base unit, are made of a shiny black plastic. The upper side of the base unit and the rear side of the lid are made of a matte white plastic. The Sony SV-E1511V1EW is made completely of plastic. It will be mentioned at the corresponding places of the review.
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We have tried to repeat the Benchmarks with the production model. Why Sony is using an old processor, we do not know. However, the production model comes with an Intel Core i5-2450M processor (2.5 GHz, Sandy Bridge) on the market. This model was equipped with an Intel Core i5-3210M processor (2.5 GHz, Ivy Bridge). Note: We tested with a pre-production model. Competitors of the Sony notebook are the Lenovo IdeaPad Z580 ( Intel Core i5-3210M, NVIDIA GeForce GT 630M) and the Asus K55VM-SX064V ( Intel Core i7-3610QM, NVIDIA GeForce GT 630M). The notebook is also available in a diversity of other configurations. The data and applications will be saved onto a 750 GB HDD. The graphics will be handled by the AMD Radeon HD 7650M GPU. Our test device is powered by an Intel Core i5-3210M dual-core processor. We will test a representative of the 15.5-inch models. Sony´s models offer sizes of 11.6-inch, 14-inch, 15.5-inch and 17.3-inch. The Vaio E-Series is known for notebooks, which are intended for daily usage as well as for leisure and work.