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Gazzew U4Tx RGB vs. HMX Xinhai

An in-depth look at the Gazzew U4Tx RGB and the HMX Xinhai switches—which one is the best fit for you?

Overview

When it comes to mechanical keyboards, the choice of switch can significantly impact your typing experience, with the Gazzew U4Tx RGB tactile switch and the HMX Xinhai linear switch representing two distinct options. The U4Tx RGB is celebrated for its deep "thock" sound when bottoming out, complemented by the quiet stealth of its topping out, which combines to create a refined auditory experience that many enthusiasts appreciate. Its sharp tactile bump offers a luxurious feel, making it an excellent choice for those who enjoy tactile feedback while typing or gaming. In contrast, the Xinhai switch presents a unique profile with its PA12 top housing contributing to a softer acoustic experience, while the POM stem delivers a crisp, higher-pitched sound. This switch is characterized as 'bouncy,' 'clacky,' and 'creamy,' appealing to users who prefer a more fluid and responsive typing experience without the tactile resistance. Ultimately, the decision between these two switches comes down to personal preference, whether you lean towards the luxurious tactility of the U4Tx RGB or the smooth performance of the Xinhai. However, let's dive in a bit deeper beyond generalities so you can best decide on the best switch for you.

By the numbers

Technical specifications

Actuation force

N/A

Actuation force

37g

Bottom-out force

65g

Bottom-out force

45g

Pre-travel

N/A

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

POM

Stem material

POM

Top housing material

Proprietary Gazzew blend

Top housing material

Nylon

Bottom housing material

Proprietary Gazzew blend

Bottom housing material

Nylon

Mount type

PCB (5-pin)

Mount type

PCB (5-pin)

Spring

Stainless steel Korean spring

Spring

22mm single-stage spring

Housing materials

When examining the housing materials of the Gazzew U4Tx RGB and HMX Xinhai switches, both manufacturers utilize softer plastics that ultimately contribute to rich sound profiles. The U4Tx RGB features a proprietary Gazzew blend for its top and bottom housings, often referred to as "boba plastic." This blend is noted for its ability to deliver a deep and satisfying sound experience due to its inherent softness. In contrast, the Xinhai switches use nylon for both the top and bottom housings. While nylon is a traditional choice in switch design, it too offers a deeper and fuller sound profile, primarily because of its sound-absorbing properties. Thus, while the materials differ—proprietary blend versus classic nylon—both options are designed to enhance the auditory experience of the user, creating a comparably rich soundscape.

Both the U4Tx RGB and the Xinhai switches exhibit a focus on sound absorption, contributing to a duller and rounder sound. The U4Tx RGB's proprietary blend can be likened to the nylon material used by the Xinhai in that they both possess soft qualities that enhance the auditory feedback during typing. Specifically, the impact of the bottom housing is crucial; since both the U4Tx RGB's and Xinhai's materials are designed to absorb sound, users can expect a softer bottom-out sound, allowing for a pleasing typing experience. Each bottom housing's material also shapes the tactile feel, with the soft plastics providing a gentle touchdown when pressing keys.

However, the differences in housing materials bring unique characters to each switch despite their similar acoustic goals. The Gazzew blend in the U4Tx RGB might provide slightly different acoustic nuances compared to the nylon of the Xinhai due to the unique formulation of the proprietary material. Furthermore, the top housing of each switch will influence the sound upon releasing a key; while both contribute significantly to the overall typing experience, the nuanced differences in material composition might yield slightly varied auditory results. If you're seeking a sound profile that closely resembles either switch, it may be possible to find satisfaction in both options, depending more on individual preference for tactile feedback and sound characteristics.

Weight

When comparing the Gazzew U4Tx RGB tactile switch and the HMX Xinhai linear switch, a notable difference lies in their actuation and bottom out forces. The U4Tx RGB has an unspecified actuation force but features a bottom out force of 65 grams, categorizing it as medium-heavy. In contrast, the HMX Xinhai linear switch has a lighter actuation force of 37 grams and a lower bottom out force of 45 grams. This significant variance means that typists or gamers who prefer a lighter feel for extended sessions may favor the Xinhai switch. Conversely, the U4Tx RGB, with its heavier bottom out force, caters to those who enjoy a more solid feedback from their keystrokes. Overall, the HMX Xinhai is the lighter option, while the Gazzew U4Tx RGB is the heavier choice.

Travel distance

When comparing the travel distances of the Gazzew U4Tx RGB tactile switch and the HMX Xinhai linear switch, the U4Tx RGB measures at 3.6 mm, while the Xinhai comes in slightly shorter at 3.4 mm. This distinction means that the U4Tx RGB offers a deeper feel compared to the more responsive, yet shallower, Xinhai switch. As shorter travel distances are becoming increasingly popular, particularly among gamers seeking rapid response times, the Xinhai may cater better to those preferences. Conversely, users who favor a more substantial keystroke experience might appreciate the additional 0.2 mm that the Gazzew U4Tx RGB provides, offering a firmer feedback on each press. Thus, the U4Tx RGB is the longer option, while the Xinhai switch is the shorter of the two.

Price comparison

Which switch is more bang for your buck?

The HMX Xinhai 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 for $2.99.

The Gazzew U4Tx RGB comes in at $6.50 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

When it comes to sound, the Gazzew U4Tx RGB switch produces a refined auditory experience characterized by a deep "thock" upon bottoming out that resonates with a muted quality, making it a quieter option ideal for shared spaces. The sound is further complemented by the stealthy topping out, which contributes to a richer, bassier tone. In contrast, the HMX Xinhai linear switch offers a completely different auditory profile, being described as clacky. It generates a sharp, crisp sound with a bright percussive quality when pressed, making it more suited for those who appreciate more pronounced auditory feedback during their typing experience. Therefore, while both switches deliver distinct sound experiences—one muted and bassy, the other clacky—your choice will hinge on whether you prefer a deeper, more stealthy sound or a sharper, brighter one, though it's essential to note that external factors like the keyboard's build and keycap materials also influence these sound profiles.

Regarding their tactile feel, the Gazzew U4Tx RGB switch features a noticeable tactile bump that adds a level of precision to key presses, creating an enjoyable and luxurious typing experience. This tactile feedback is designed to enhance the interaction without being overly abrasive. On the other hand, the HMX Xinhai switch excels in delivering a bouncy and creamy sensation. The bouncy feeling gives a lively rebounding effect with each keystroke, while the creamy texture provides a buttery smoothness akin to gliding over the keys. This combination results in a satisfying and effortless typing experience, allowing fingers to smooth seamlessly from one key to the next. Therefore, while the U4Tx RGB may prioritize a defined tactile response, the Xinhai captures an overall fluidity and liveliness, presenting distinct yet enjoyable experiences depending on what you value most in your typing feedback.

Drawing from the information provided, both the Gazzew U4Tx RGB and the HMX Xinhai switches cater to different preferences in terms of sound and feel. The U4Tx offers a muted, bassy sound with a sharp tactile bump, while the Xinhai is more clacky in sound and excels in delivering a bouncy, creamy feel. Ultimately, your choice between these switches will largely depend on whether you prioritize a quiet, yet rich acoustic profile and tactile feedback or a bright, percussive sound combined with a uniquely lively typing experience. Understanding these distinctions will help you select the switch that best complements your mechanical keyboard setup.

Conclusion

To conclude, when choosing between the Gazzew U4Tx RGB tactile switch and the HMX Xinhai linear switch, your personal preferences and typing style should guide your decision. If you prefer a more pronounced tactile feedback combined with a deeper sound profile for an immersive typing experience, the U4Tx RGB is the ideal choice. Its heavier bottom-out force of 65 grams also makes it suitable for those who appreciate a firmer typing feel, potentially enhancing typing accuracy and control, especially during lengthy typing sessions. On the other hand, if you favor a lighter, bouncier response with a crisp and clacky sound, the Xinhai switch would be more fitting. With its lighter 45-gram actuation force, it allows for quicker key presses, making it great for fast-paced gaming or typing tasks. Additionally, the Xinhai’s creamy and softer acoustics provide a delightful tactile sensation that can make long hours at your keyboard more enjoyable. Ultimately, assess your typing habits and environment—whether you prioritize sound and feedback or speed and feel—and select the switch that enhances your overall experience.

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