HMX FJ400 vs. Dareu Sky V3

Overview

When it comes to mechanical keyboard switches, the HMX FJ400 and Dareu Sky V3 both offer unique characteristics that cater to a variety of typing preferences, particularly for those who appreciate linear switches. The FJ400 stands out in the HMX Film switch lineup as a middle ground, providing a balanced sound profile that strikes a harmony between auditory feedback and tactile responsiveness. On the other hand, the Dareu Sky V3 is celebrated for its neutral sound signature and medium-light weight, making it highly adaptable for a range of users from casual typists to professional gamers. The Sky V3’s widespread acclaim is attributed to its ability to blend comfort with precision, ensuring that it meets the diverse needs of enthusiasts. While both switches share the advantages of linear design, they cater to slightly different preferences in terms of sound and feel. However, let's dive in a bit deeper beyond generalities so you can best decide on the perfect switch for you.

By the numbers

HMX FJ400 Linear

Dareu Sky V3 Linear

$3.50

$3.29 per 10

$7.78

$4.76 per 10

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Housing materials

When comparing the housing materials of the HMX FJ400 and the Dareu Sky V3, the differences in their top housings stand out significantly. The FJ400 utilizes a POM (Polyoxymethylene) top housing, which is known for creating a unique and pleasing sound profile that tends to be deeper and more muted. In contrast, the Sky V3 features a polycarbonate top housing, which offers a sharper and higher-pitched sound due to its stiffer structure. This distinction in material results in different acoustic qualities when typing; the FJ400’s POM construction dampens sound waves, imparting a more subdued auditory experience, while the Sky V3’s polycarbonate enhances clarity and brightness, particularly beneficial when RGB lighting is utilized to highlight the key switches. Consequently, users seeking a richer and more rounded sound may lean towards the FJ400, whereas those looking for crispness and vibrancy may prefer the Sky V3.

Despite the differences in their top housings, both the FJ400 and the Sky V3 share nylon as their bottom housing material. This commonality introduces a uniform element in their sound profiles, where the nylon contributes to a deeper and fuller auditory experience. Nylon's inherent characteristics allow it to absorb sound effectively, resulting in a more muted and rounded bottom-out sound when keys are pressed. This aspect of their design means that although the top sound profiles may differ, both switches ultimately balance out to deliver a cohesive sound experience thanks to the soft absorption properties of nylon. Thus, while the FJ400 offers a more muted top-end experience, the deeper tones from the nylon bottom create a rich acoustic foundation that is present in both switches.

The overall impact of these contrasting and complementary housing materials is significant in defining the typing experience for each switch. When pressed, users will first feel the dynamics and resonance offered by the nylon bottom housing, which maintains consistency between the two models by anchoring their sound profiles in depth and fullness. Upon releasing the keys, the differing characteristics of the top housings come into play, showcasing how sound can change dynamically based on material selection. Therefore, while the FJ400 and the Sky V3 may be engineered with different top housing materials—a POM versus polycarbonate—they ultimately provide an engaging typing experience that balances the softer, deeper tones of nylon, ensuring an enjoyable and unique interplay of sounds.

Weight

When comparing the actuation force and bottom out force of the HMX FJ400 linear switch and the Dareu Sky V3 linear switch, there are notable differences in their actuation forces, while the bottom out force for the Sky V3 remains unknown. The FJ400 features an actuation force of 50 grams, making it a medium-weight switch, while the Sky V3 has a lighter actuation force of 40 grams, which might appeal to users who prefer less resistance for longer typing sessions or gaming marathons. In contrast, the FJ400's bottom out force is 58 grams, indicating a more substantial feel when fully depressed, which some users might favor for a robust typing experience. Since the bottom out force for the Sky V3 is unavailable, we cannot directly compare that aspect. Overall, those who prefer lighter switches may lean towards the Sky V3, while those who enjoy a heavier feel might find the FJ400 more suitable.

Travel distance

When comparing the travel distances of the HMX FJ400 linear switch and the Dareu Sky V3 linear switch, it is clear that the FJ400 has a travel distance of 3.8 mm, making it the shorter option, while the Sky V3 has a travel distance of 4 mm, which is the longer choice. The difference in travel distance suggests that the FJ400 may provide a quicker and more responsive feel, which many gamers appreciate for faster input times. Conversely, the Sky V3's 4 mm distance aligns with more traditional switch designs, potentially offering a more substantial keystroke feel that some users prefer for comfort and typing feedback. Thus, if one favors speed and responsiveness, the FJ400 would be the ideal choice, while those who enjoy a more pronounced key press might lean towards the Sky V3.

Price comparison

Typing experience

In terms of sound, the HMX FJ400 switch offers a balanced sound profile, making it versatile for various environments and typing needs. It strikes a middle ground, ensuring that it isn’t overly loud, which can be critical in shared spaces or during work hours. On the other hand, the Dareu Sky V3 switch possesses a neutral sound signature complemented by a subdued characteristic. This means that while the Sky V3 can handle both casual and intense typing sessions, it maintains a more muted and understated noise level, making it suitable for both beginners and seasoned typists. Both switches aim to provide an unobtrusive auditory experience, ensuring that they fit seamlessly into a myriad of environments without causing disruption.

When it comes to feel, the FJ400 is similarly positioned as a balanced option within the HMX lineup, though specific descriptors of its tactile feedback aren't provided. However, the Dareu Sky V3 switch is characterized as offering a mild typing experience. This gentleness allows for a comfortable engagement that is not overwhelming, making it approachable for users at any skill level. Users of both switches will likely enjoy a similar level of comfort due to the intended balance, although the exact tactile feedback might differ depending on the specific construction of each switch.

In summary, both the HMX FJ400 and Dareu Sky V3 linear switches provide balanced sound and feel qualities that cater to a diverse range of users. The FJ400 is recognized for its balanced auditory experience, while the Sky V3 is acknowledged for its neutral and subdued sound profile. In terms of feel, while the specifics of the FJ400's texture are not articulated, the Sky V3's mild typing experience facilitates comfort for a wide range of users. Ultimately, both switches are designed to deliver a compelling typing experience, albeit with slight nuances that may appeal to particular preferences.

Conclusion

To conclude, when deciding between the HMX FJ400 linear switch and the Dareu Sky V3 linear switch, your specific needs and preferences will guide your choice. If you prefer a medium bottom-out force and are looking for a switch that strikes a balance between sound and feel, the FJ400 may be the right option for you. Its well-rounded sound profile and tactile feedback make it well-suited for both typing and gaming, allowing for a satisfying experience. On the other hand, if you're seeking a switch that offers a neutral sound signature and a mild typing feel, the Dareu Sky V3 excels in delivering comfort and precision. Its subdued sound and moderate actuation characteristics make it an excellent choice for extended periods of use, whether in a professional setting or during gaming sessions. Ultimately, it comes down to your personal preference—choose the FJ400 for a more defined tactile experience or the Sky V3 for a gentler, more versatile typing feel.

Mentioned in this article

HMX FJ400 Linear

$3.50

$3.29 per 10

Learn more

Dareu Sky V3 Linear

$7.78

$4.76 per 10

Learn more