Dell Inspiron 15 3520 vs Lenovo Legion Slim 7 16"

The Dell Inspiron 15 3520 is considered fair for general use largely because it has basic specifications suitable for everyday tasks such as having an Intel i3 processor and 8 GB of RAM, along with a standard screen resolution and quality; however, its battery life is relatively short at 6.5 hours, and it delivers just adequate performance for general tasks.

The Dell Inspiron 15 3520 offers modest gaming performance due to its integrated Intel graphics and a lower screen refresh rate, while the Lenovo Legion Slim 7 has a powerful Nvidia RTX 4060 graphics card and a higher refresh rate display for robust gaming and 3D applications. The Legion's GPU and display capabilities make it better suited for demanding graphical tasks, whereas the Inspiron, with less powerful hardware, is more for casual or light gaming.

The Dell Inspiron 15 3520 has an Intel i3 processor, 8 GB of RAM, and integrated UHD Graphics, which provide enough capability for basic engineering tasks but may struggle with more intensive design and modeling work. On the other hand, the Lenovo Legion Slim 7 boasts a high-end AMD Ryzen CPU, double the RAM at 16 GB, and an Nvidia RTX GPU, which, paired with a superior screen, makes it very well-equipped for demanding engineering and creative tasks that require robust processing and graphic capabilities, albeit at a higher cost and slightly less portability.

PerfectRec’s Content Creation Score takes into account the many different features of the laptop that make it more or less suitable for photo editing, video editing and other content creation tasks.

PerfectRec’s Software Development Score takes into account the many different features of the laptop that make it more or less suitable for software developers.

Considering your needs, the Dell Inspiron 15's display will suffice for everyday tasks and work in engineering where high color accuracy isn't critical, but the lackluster brightness and standard resolution could make it less ideal for long hours of use or precise design work. The Lenovo Legion Slim 7, with superior brightness and resolution, offers a more vibrant and sharp display, enhancing the visual experience for both general computing and detailed engineering or design tasks, although it may not satisfy the demand for fluid motion in gaming or 3D modeling because of its limited refresh rate. To make the most of 3D applications or gaming, you would benefit from a laptop with a high refresh rate, which neither of these models specializes in, but for general use and professional tasks involving color work, the Lenovo stands out as the better option.

PerfectRec’s Build Quality Score incorporates case materials, display and keyboard flex, hinge quality, and overall reliability.

Battery life estimate is based on a mix of common use patterns. More portable and higher performing laptops tend to have less battery life.