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Bsun Tomcat vs. HMX Xinhai (Heavy)

An in-depth look at the Bsun Tomcat and the HMX Xinhai (Heavy) switches—which one is the best fit for you?

Overview

When it comes to choosing a mechanical keyboard switch, the Bsun Tomcat and the HMX Xinhai (Heavy) represent two fascinating options within the linear category, each catering to specific preferences in typing experience. The Tomcat switch is renowned for its Ly stems, which provide an exceptionally smooth typing sensation and a resonant sound profile that many users find satisfying. In contrast, the Xinhai (Heavy), the robust counterpart to the classic Xinhai switch, features a unique PA12 top housing that promotes a softer acoustic profile, while its POM stem delivers a distinctively crisp and higher-pitched sound. Both switches offer a linear feel that ensures seamless key presses, but they diverge in auditory feedback and tactile qualities, appealing to different tastes in the mechanical keyboard community. Choosing between these switches ultimately boils down to what you value most in your typing experience—smoothness or resonance—and how each switch complements your overall setup. However, let's dive in a bit deeper beyond generalities so you can best decide on the switch that suits your needs.

By the numbers

Technical specifications

Actuation force

45g

Actuation force

55g

Bottom-out force

54g

Bottom-out force

62.5g

Pre-travel

1.95 mm

Pre-travel

2.00 mm

Total travel

3.60 mm

Total travel

3.40 mm

Factory lubed

Yes

Factory lubed

Yes

Stem construction

Standard

Stem construction

Standard

Stem material

Ly

Stem material

POM

Top housing material

Polycarbonate

Top housing material

Nylon

Bottom housing material

Nylon

Bottom housing material

Nylon

Mount type

PCB (5-pin)

Mount type

PCB (5-pin)

Spring

Extended spring

Spring

22mm single-stage spring

Housing materials

The housing materials of the Bsun Tomcat and HMX Xinhai (Heavy) switches exhibit distinct characteristics that influence their sound profiles and user experience. The Tomcat employs a polycarbonate top housing, known for its rigidity and translucency, which contributes to a sharper, crisper sound quality. This material allows for enhanced clarity and resonance, making it particularly suitable for RGB lighting displays due to its clear nature. In contrast, the Xinhai (Heavy) features a nylon top housing, which favors a deeper and fuller sound profile. The softer nature of nylon absorbs more sound, resulting in a rounder, less pronounced auditory feedback compared to polycarbonate.

Regarding the bottom housing, both the Bsun Tomcat and HMX Xinhai (Heavy) utilize nylon, contributing a similar acoustic characteristic to both switches. Nylon, being a classic material for switch housings, provides a consistent sound experience by muffling noise and producing a smoother bottom-out feel. In this case, the similarities in bottom housing position these switches on an equal footing concerning the depth and fullness of sound produced at the moment a key is pressed down. Regardless of the variations in their top housing materials, the commonality of nylon at the bottom ensures that both switches provide a high-quality typing experience in terms of sound and feel.

In summary, while the Bsun Tomcat and HMX Xinhai (Heavy) feature differing top housing materials that lead to contrasting sound profiles—crispness from polycarbonate and fullness from nylon—their shared nylon bottom housings serve to unify their overall sound experience. Consequently, both switches can deliver satisfying auditory feedback, but the nuances in their top housings dictate the distinct sound characteristics when keys are released. Users can expect a clear differentiation, especially when typing, that reflects the unique properties of the housing materials employed in these switches. Thus, while they share some commonalities, the interplay between different materials shapes the overall performance of each switch.

Weight

When comparing the actuation and bottom out forces of the Bsun Tomcat linear switch and the HMX Xinhai (Heavy) linear switch, notable differences emerge. The Tomcat features a lighter actuation force of 45 grams, which makes it easier to press and ideal for extended typing sessions or gaming marathons, appealing to users who prefer a less strenuous touch. In contrast, the Xinhai (Heavy) has a higher actuation force of 55 grams, providing a more substantial push feel that may appeal to those who enjoy a firmer typing experience. This difference continues with the bottom out forces: the Tomcat's is 54 grams, while the Xinhai’s is 62.5 grams. Therefore, the Tomcat switch is the lighter option overall, while the Xinhai is heavier, offering a more robust tactile feedback. Users who prioritize comfort over longer periods may gravitate toward the Tomcat, while those seeking a firmer response would likely be satisfied with the Xinhai (Heavy).

Travel distance

When comparing the travel distances of the Bsun Tomcat linear switch and the HMX Xinhai (Heavy) linear switch, the Tomcat offers a travel distance of 3.6 mm, while the Xinhai (Heavy) measures 3.4 mm. This makes the Xinhai the shorter option, providing slightly quicker actuation, which can be advantageous for gamers seeking faster response times. On the other hand, the Tomcat’s longer travel distance might appeal to those who prefer a more tactile experience and the satisfying depth that comes with it. While both switches are in the realm of shorter travel distances, the distinction can influence individual preferences based on a user's style and comfort in using the keyboard.

Price comparison

Which switch is more bang for your buck?

The HMX Xinhai (Heavy) has an MSRP of $3.50 per 10 switches. At Milktooth, we are able to pass on savings to our customers and offer the Xinhai (Heavy) for $2.99.

The Bsun Tomcat comes in at $2.99 per 10 switches.

Here at Milktooth, we offer the best prices on switches (on average, 27% lower the competition). In addition, we offer free shipping on orders over $49.00. We also offer free returns and exchanges, so you can shop with guaranteed satisfaction.

That said, while price is an important piece of the puzzle, our opinion is that you should ultimately pick the option that most suits your unique preferences since you’ll be using these switches for years to come. In other words, finding something perfect for you is, in our view, the most important criteria.

Typing experience

The Bsun Tomcat linear switch has a resonant sound profile that tends to provide a more pronounced auditory experience during typing. This characteristic can create an engaging atmosphere, especially for users who appreciate a bit more feedback from their keyboard. In contrast, the HMX Xinhai (Heavy) linear switch has a softer acoustics profile thanks to its unique PA12 top housing. This switch offers a distinctly crisper, higher-pitched resonance due to its POM stem, resulting in a more refined sound experience. Both switches can produce different auditory effects depending on the keyboard build and keycap choice, but the Tomcat leans towards a more resonant tone, while the Xinhai emphasizes a subtle yet crisp sound.

When it comes to feel, the Bsun Tomcat linear switch is celebrated for its Ly stems, which contribute to a super smooth typing experience, allowing for effortless keystrokes that glide seamlessly. Users often find this to be beneficial for long typing sessions due to reduced finger fatigue. The HMX Xinhai (Heavy), being the heavier variant, is designed to add more resistance and depth to the keystrokes, which may provide a more substantial and confident typing experience. The POM stem of the Xinhai also aids in achieving a distinct feel that aligns with its crisp sound, making it an excellent choice for those who prefer a more tactile sensation during use, although it’s on the heavier side.

In summary, while both the Bsun Tomcat and HMX Xinhai (Heavy) linear switches cater to distinct auditory and tactile preferences, they each offer unique qualities to enhance the typing experience. The Tomcat excels in delivering a resonant sound and a smooth feel, making it perfect for users who enjoy auditory satisfaction alongside fluidity. Conversely, the Xinhai (Heavy) balances a softer acoustic output with a substantial, refined feel, appealing to those who prefer a more pronounced switch resistance. Depending on personal taste and typing style, either switch can provide enjoyable results, whether you lean towards a smoother, resonant experience with the Tomcat or the heavier, crisp performance of the Xinhai.

Conclusion

In conclusion, choosing between the Bsun Tomcat linear switch and the HMX Xinhai (Heavy) linear switch ultimately depends on your personal preferences and typing style. If you appreciate a medium-light switch that offers a smooth typing experience with a resonant sound profile, the Tomcat may be the ideal choice for you. Its 54 grams of bottom-out force makes it suitable for those who prefer a lighter touch, allowing for quicker and more effortless keystrokes. On the other hand, if you lean towards a heavier actuation, the HMX Xinhai (Heavy) switch—with its 62.5 grams of bottom-out force—might be more up your alley. The unique PA12 top housing provides a softer sound, while the POM stem contributes to a distinctively crisp, higher-pitched resonance, catering to users who value precision and a more robust typing feel. Ultimately, whether you prioritize smoothness and lighter feedback with the Tomcat or the nuanced sophistication and a firmer response from the Xinhai (Heavy), understanding these nuances will help you make an informed decision that enhances your mechanical keyboard experience.

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