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The second version of the GDDR5 graphics unit (see Dell Inspiron 17 7778) is called GM108, and it is thus based on the 940M graphics unit. The chip inside the Aspire is called GM107-B, which is based on the chip that Nvidia uses for the GTX 850M and GTX 860M. Nvidia launched two versions of the GDDR5-940MX graphics unit onto the market. We could ascertain improvements of up to 50%. A look at our comparison chart illustrates that the 3DMark benchmark scores have clearly increased compared with DDR3 models. The Aspire is one of the few laptops that support the 940MX graphics unit with GDDR5 memory. The biggest innovation of the X model: It supports the faster GDDR5 graphics memory. It is a slightly improved version of the known GeForce 940M graphics unit. The Aspire sports a GeForce 940MX graphics unit.
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In routine use, it involves a higher temperature development, higher power consumption, and shorter battery life. It is first clearly noticed in applications optimized for multi-core processors. However, buyers should be aware that a quad-core processor barely has advantages in routine use. An alternative would be, for example, the Aspire V17 Nitro lineup.
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The Aspire E5-774G series does not offer such models. In this case, a laptop with a quad-core processor should be taken. Users who work with many CPU-driven applications will not be happy with a ULV dual-core processor. The Kaby Lake model achieves 10 to 15% better results (depending on the test) than the Skylake model in the CPU tests that we performed. We have already tested correspondingly furnished laptops. The successor of the processor installed here - the Core i7-7500U - has been available for a short time.
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Turbo is utilized in both AC and battery modes. The CPU clocks at a base speed of 2.5 GHz, which can be boosted to 3 GHz (two cores) and 3.1 GHz (one core) via Turbo. The Core i7 is one of the most efficient members of its kind with a TDP of 15 watts. Corresponding models cost roughly 100 Euros (~$112) less, and their lower performance is not noticed in routine use. Users who do not need as much power as possible should opt for a Core i5 model of the Aspire. With the Core i7-6500U dual-core processor, one of the strongest Skylake ULV processors that Intel offers is inside the laptop. Opening the lid with one hand is only possible with finger-hand-arm acrobatics. The hinges keep the lid firmly in position, but they rock a bit. Pressure on the lid's back only produces image deviations in a few places. Only minor image deviations develop when we try to twist the lid. The base unit does not exhibit any real weaknesses regarding its stiffness. Nevertheless, a laptop should not have any pointed corners or sharp edges. Only the display's lower corners could have been polished a bit more: They are very pointy and a bit sharp, and they might lead to injuries. In terms of build, the laptop mostly does not present any flaws. A maintenance hatch that allows accessing the HDD, SSD and working memory is present on the laptop's underside. The lid's back and the base tray are also textured. Only the base unit's upper side is made of one piece of metal (brushed surface). The Aspire's casing is largely black plastic.