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HMX Poro vs. Gazzew U4Tx

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

Overview

When choosing a mechanical keyboard, the type of switch can significantly impact your typing experience, and two notable contenders in this realm are the HMX Poro linear switches and the Gazzew U4Tx tactile switches. The HMX Poro is revered for its silky smooth keystrokes, meticulously lubricated for an effortless glide, which is ideal for those who prefer a quiet and fluid typing experience. The ultra-light actuation force makes every keystroke feel light, while the satisfyingly poppy and clacky sound profile adds a layer of auditory enjoyment. On the other hand, the Gazzew U4Tx switches seek to marry a refined tactile experience with a pristine sound profile. With a deep, resonant "thock" when bottoming out, accompanied by a whisper-quiet topping out sound, the U4Tx delivers both tactile feedback and acoustical satisfaction, making it an excellent choice for typists who enjoy a pronounced bump without the noise. Choosing between these two switches often comes down to personal preferences—whether you value the smooth, unbroken flow of linear switches or the tactile feedback and nuanced sound of tactile switches. 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

45g

Actuation force

N/A

Bottom-out force

50g

Bottom-out force

62.5g

Pre-travel

2.00 mm

Pre-travel

N/A

Total travel

3.70 mm

Total travel

3.60 mm

Factory lubed

Yes

Factory lubed

Yes

Stem construction

Standard

Stem construction

Partial box

Stem material

Ly

Stem material

POM

Top housing material

Nylon

Top housing material

Proprietary Gazzew blend

Bottom housing material

Nylon

Bottom housing material

Proprietary Gazzew blend

Mount type

PCB (5-pin)

Mount type

PCB (5-pin)

Spring

22mm single-stage spring

Spring

Stainless steel Korean spring

Housing materials

The HMX Poro and Gazzew U4Tx keyboard switches both utilize nylon and proprietary plastic blends for their housings, which not only serve functional purposes but also play a pivotal role in defining each switch's acoustic characteristics. The Poro's nylon top and bottom housings are designed to absorb sound effectively due to the material's softer properties. This leads to a deeper and fuller auditory experience when typing, characterized by a duller and rounder sound profile. Similarly, the U4Tx switches employ Gazzew's proprietary blend, sometimes dubbed "boba plastic," in both the top and bottom housings. This blend also prioritizes sound absorption, resulting in a rich and deep sound profile that mimics the qualities found in the Poro's nylon composition.

While both switches leverage softer plastics to enhance sound performance, the differences in material composition emphasize distinctive auditory experiences. The Poro's use of traditional nylon may offer a more consistent and expected sound profile, as nylon is a well-recognized material in the keyboard community for producing specific acoustic properties. In contrast, the U4Tx’s proprietary blend might provide a unique character and nuance to the auditory experience that sets it apart from traditional nylon switches. Therefore, although both approaches aim for a similar outcome—chaotic and rich sound—each contributes differently to the overall typing experience, depending on the specific material used.

When users interact with these switches, they will experience how the bottom housing influences the bottom-out sound and feel, while the top housing affects the auditory feedback during key release. In essence, while both the HMX Poro and Gazzew U4Tx implement softer materials such as nylon or a boba plastic blend to achieve a deeper sound profile, the slight variations in material properties may lead to unique tactile experiences. In instances where users favor a specific sound or feel, the choice between these switches will largely come down to personal preference, keeping in mind that both manufacturers effectively harness the characteristics of softer plastics to achieve similar acoustic results.

Weight

When comparing the HMX Poro linear switch and the Gazzew U4Tx tactile switch, notable differences emerge in their actuation and bottom out forces. The HMX Poro switch features a light actuation force of 45 grams and a bottom out force of 50 grams, making it suitable for users who prefer a more effortless typing experience, ideal for extended use during work or gaming sessions. In contrast, the Gazzew U4Tx switch has a higher bottom out force of 62.5 grams, categorizing it as medium in terms of weight, although its actuation force remains unspecified. As a result, the U4Tx offers a considerably heavier feel than the Poro, which could appeal to those who favor a robust keystroke response. While both switches provide different tactile experiences, the Poro is the lighter option, potentially leading to less finger fatigue over prolonged use, whereas the U4Tx caters to users desirous of a more substantial push feel.

Travel distance

When comparing the travel distances of the HMX Poro linear switch and the Gazzew U4Tx tactile switch, the Poro has a travel distance of 3.7 mm, while the U4Tx measures slightly shorter at 3.6 mm. This makes the U4Tx the better option for gamers and users who prioritize fast response times due to its shorter travel distance, which can enhance performance in swift scenarios. Conversely, the Poro, with its longer travel distance, may appeal to those who enjoy a more substantial feel when typing, providing a sense of depth and feedback that some users find more satisfying. Overall, the Poro offers a more traditional experience, while the U4Tx caters to those who favor a quicker, more responsive keypress.

Price comparison

Which switch is more bang for your buck?

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

The Gazzew U4Tx 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 HMX Poro linear switch stands out with its poppy and clacky sound profile, which is enhanced by its ultra-light actuation force, allowing for a more pronounced acoustic experience. This lively characteristic can give a sense of energy during typing. In comparison, the Gazzew U4Tx switches offer a more refined auditory experience with its deep and resonant "thock" sound when bottoming out, adding a richness to each press. Additionally, the U4Tx incorporates a whisper-quiet top-out sound, making it a more muted option overall. Essentially, while the Poro is lively and vibrant, the U4Tx achieves a balance between a satisfying thock and quiet operation, catering to users who appreciate a cleaner sound profile.

In terms of feel, the HMX Poro's characteristics are known for providing a silky smooth keystroke experience thanks to meticulous lubrication, resulting in an effortless glide during typing. This fluidity can enhance speed but often lacks the tactile feedback that some users desire. In contrast, the Gazzew U4Tx excels with its sharp tactile bump that delivers distinct feedback with each keystroke, ensuring a concrete sense of acknowledgment when pressed. The U4Tx’s pronounced tactile quality caters to typists who enjoy a strong response, making it potentially more rewarding for those who prefer tactile switches.

In summary, the HMX Poro linear switch is ideal for users who enjoy a smooth and lively typing experience complemented by a clacky sound. On the other hand, the Gazzew U4Tx tactile switch offers a mixture of sharp and distinct tactile feedback along with a deep, resonant sound that is both satisfying and quieter at the top-out. Both switches cater to different preferences in sound and feel, which means users will need to consider their typing style and acoustic environment when choosing between them.

Conclusion

To conclude, your choice between the HMX Poro linear switch and the Gazzew U4Tx tactile switch ultimately depends on your typing preferences and usage scenarios. If you favor a lighter feel with a smooth, silky keystroke and a poppy sound profile, the Poro is likely the better fit for you. Its 50-gram bottom-out force makes it ideal for fast-paced gaming and extended typing sessions, providing a gratifying experience without much resistance. On the other hand, if you appreciate a more pronounced tactile feedback and a richer sound, the U4Tx is the way to go. With its 62.5-gram bottom-out force, it offers a luxurious typing experience enhanced by its sharp tactile bump and an acoustic profile that combines a deep, resonant "thock" with a muffled top-out sound, making it suitable for both productivity and casual typing. Ultimately, your choice will reflect your personal preferences for sound, feedback, and typing feel, guiding you to a switch that brings you the most joy in every keystroke.

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