PerfectRec’s portability rating takes into account the volume and thickness of the laptop as well as its weight.
PerfectRec’s Operating Noise Score is based on fan noise measurements. Laptops with a fanless design, such as Macbooks, receive the maximum score.
PerfectRec’s Battery Life rating is based on hours of battery life in typical usage scenarios.
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, and video editing work.
In addition to a strong emphasis on overall performance, this score also places very high importance on screen quality. Heat management, storage, keyboard and speaker quality are also incorporated, with fan noise rounding out this score.
PerfectRec’s General Use Score takes into account the many different features of the laptop that make it more or less suitable for general productivity, web browsing, streaming, video calls, and running a wide variety of apps and programs.
The most important factors in this score include CPU performance, amount of RAM, screen quality, storage, and battery life.
Keyboard quality, speaker quality, low fan noise, heat management, and to a lesser extent webcam quality are all moderately important factors for this score.
General Use Screen Quality:3.9 The general use screen score is based on the screen technology, contrast ratio, resolution, brightness, color gamut and color accuracy. This score does not take into account specialized display features for specific use cases, such as high refresh rate for gaming.
PerfectRec’s Software Development Score takes into account the many different features of the laptop that make it more or less suitable for software development.
In addition to a strong emphasis on overall performance, this score also places very high importance on screen quality. Heat management, storage, keyboard and speaker quality are also incorporated, with fan noise rounding out this score.
The Keyboard Quality score is based on the PerfectRec experts’ assessment of tactile feedback, typing comfort, keyboard reliability and typing noise.
The Dell Inspiron 15 3520, with its moderate RAM and entry-level CPU and GPU, is sufficient for basic engineering and design tasks, but may struggle with more demanding software and multitasking. While the screen has good resolution, its moderate color coverage may not be ideal for high-precision design work; however, its build quality, heat management, and quiet operation are favorable for extended work sessions.
PerfectRec’s Build Quality Score incorporates case materials, display and keyboard flex, hinge quality, chassis rigidity, and overall reliability.
Our assessment of build quality includes many details that are difficult to quantify.
Our laptop experts use their best judgment to produce the final score.
The Dell Inspiron 15 3520 has an integrated GPU (Intel UHD Graphics) which may limit performance in gaming and 3D applications that rely heavily on graphical processing power. Additionally, despite having a decent screen refresh rate, the laptop's processor is an Intel i3, which may not meet the demands of more intensive gaming and 3D tasks.