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HMX Jammy vs. Gazzew U4Tx RGB

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

Overview

When it comes to enhancing your typing experience, selecting the right mechanical keyboard switch can make all the difference, and the HMX Jammy and Gazzew U4Tx RGB switches offer two distinct pathways to satisfaction. The Jammy, recognized for its softer and glittery nylon housings, delivers a clacky, bouncy, and polished feel that many users find deeply satisfying and enjoyable for both work and play. Its medium weight is ideal for those who appreciate a more muted typing experience, making it a popular choice among casual typists and gamers alike. In contrast, the Gazzew U4Tx RGB switches provide a luxurious tactile experience characterized by a deep "thock" at the bottom of each key press and a quiet topping out, appealing to those who prefer a pronounced tactile bump and a bassy sound profile. While the U4Tx switches may charm enthusiasts seeking a refined auditory experience and a tactile feedback, the Jammy caters to individuals who value a softer and more polished touch. However, let’s dive in a bit deeper beyond generalities so you can best decide on the ideal switch for you.

By the numbers

Technical specifications

Actuation force

57g

Actuation force

N/A

Bottom-out force

63g

Bottom-out force

65g

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

Standard

Stem material

POM

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-staged spring

Spring

Stainless steel Korean spring

Housing materials

The HMX Jammy and the Gazzew U4Tx RGB share similarities in their housing materials, both utilizing softer plastics that enhance the overall sound profile of their respective switches. The Jammy employs nylon for both its top and bottom housings, a traditional switch material known for its ability to absorb sound and provide a deeper, fuller auditory experience. This quality is attributed to nylon's softer characteristics that prevent sharp, high-pitched noises, resulting in a duller yet rounder sound when typing. Similarly, the U4Tx RGB features a proprietary blend of plastics, often referred to as "boba plastic." This blend exhibits comparable softness, contributing to a rich auditory experience with its own deep sound profile that resonates well during use.

When comparing the bottom housings, both switches utilize similarly soft materials, which significantly impact the typing experience and sound profile during bottoming out. While the Jammy's nylon bottom housing fosters a sound-dampening effect, adding to the overall fullness, the U4Tx RGB's "boba plastic" serves a similar function with its plush feel and acoustics. The reliance on soft materials in these switches allows them to create a satisfying auditory experience during both key presses and releases, with each switch providing its own unique sound character while still achieving similar results thanks to the inherent properties of softer plastics.

Despite the differences in branding and specific material composition, the foundational elements driving the auditory dynamics of the HMX Jammy and Gazzew U4Tx RGB remain consistent. Each switch's unique profile is influenced by its respective top and bottom housing materials, contributing to distinct sound and feel characteristics. When pressed, the bottom housing's material ultimately influences the bottom-out sound, while the top housing affects the sound that emerges upon release. Collectively, the shared softness across both switches’ housing components fosters a pleasant typing experience, bringing users closer to the desired auditory qualities while typing.

Weight

The HMX Jammy linear switch and the Gazzew U4Tx RGB tactile switch present a distinct comparison in terms of their actuation and bottom out forces. The Jammy switch has an actuation force of 57 grams, allowing for a moderate typing experience, while its bottom out force is 63 grams. In contrast, the U4Tx RGB has an unknown actuation force but features a bottom out force of 65 grams, which categorizes it as medium-heavy. This suggests that while the Jammy may feel lighter in actuation and provide a comfortable typing experience for extended use, the Gazzew switch's bottom out force is slightly heavier. Therefore, the Jammy is the lighter option overall compared to the U4Tx RGB. For typists who favor a more tactile feel and can manage the higher bottom out force of the U4Tx RGB, it might suit their needs well, whereas the Jammy may be advantageous for those seeking a lighter touch for prolonged typing or gaming sessions.

Travel distance

The HMX Jammy linear switch features a travel distance of 3.7 mm, while the Gazzew U4Tx RGB tactile switch has a slightly shorter travel distance of 3.6 mm. Although the difference between the two is minimal, it suggests that the Jammy may provide a deeper keystroke, which some users might find preferable for a more substantial typing experience. On the other hand, the U4Tx RGB, with its shorter distance, could be better suited for those who favor faster response times, such as gamers. Ultimately, while both switches are close in travel distance, the HMX Jammy offers a longer keystroke, which may be ideal for those seeking more tactile feedback, whereas the U4Tx RGB is designed for quicker actuation.

Price comparison

Which switch is more bang for your buck?

The HMX Jammy has an MSRP of $3.50 per 10 switches. At Milktooth, we are able to pass on savings to our customers and offer the Jammy 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 comparing the sound profiles of the HMX Jammy linear switch and the Gazzew U4Tx RGB tactile switch, their characteristics diverge significantly. The Jammy switch produces a clacky sound, characterized by a sharp and snappy tone that often adds a vibrant auditory feedback during typing. This crisp, bright quality can enhance the overall typing experience for users who appreciate a more pronounced sound with each keystroke. On the other hand, the U4Tx RGB switch offers a more nuanced sound, showcasing a combination of muted and bassy elements. It delivers a quieter experience while still providing a deep "thock" when bottoming out, making it an excellent choice for those who prefer a refined and less intrusive sound profile while typing.

In terms of feel, the differences between the two switches are also noteworthy. The Jammy switch is bouncy, providing a lively and spring-like feedback that gives a satisfying rebound upon keypress. This elasticity can make typing feel more engaging and responsive. Additionally, the polished finish of the Jammy contributes to a smooth typing experience with reduced friction. Conversely, while the U4Tx RGB's feel is not explicitly described, the tactile bump it features implies a certain level of feedback that may offer a luxurious typing sensation. The tactile nature of the U4Tx may cater to users who enjoy a defined response when they actuate a key, although it lacks the more dynamic bounciness of the Jammy.

Overall, both the HMX Jammy linear switch and the Gazzew U4Tx RGB tactile switch present unique attributes that cater to different preferences in sound and feel. The Jammy offers a lively, clacky sound and a bouncy, smooth typing experience, ideal for users who enjoy an energetic and crisp response. In contrast, the U4Tx RGB boasts a muted yet rich sound profile coupled with a tactile feedback, suitable for those seeking a quieter yet refined typing environment. Ultimately, the choice between these switches will depend on the user's personal preferences for auditory enjoyment and tactile sensation in their mechanical keyboard setup.

Conclusion

To conclude, the choice between the HMX Jammy linear switch and the Gazzew U4Tx RGB tactile switch ultimately depends on your personal preferences and typing needs. If you prefer a more playful and bouncy typing experience with a slightly clackier sound profile, the Jammy switch might be your ideal match. Its medium bottom-out force of 63 grams will feel responsive and lively, making it suitable for casual typing, gaming, or anyone who enjoys a bit of auditory feedback in their keystrokes. Alternatively, if you’re in search of a more refined and luxurious typing experience with a focus on subtlety and depth, the U4Tx RGB is the way to go. With its medium-heavy 65 grams bottom-out force, it offers a satisfying tactile bump and a muted yet bassy sound profile, perfect for quieter environments or prolonged typing sessions where you want to minimize noise without sacrificing feel. Consider how you want your mechanical keyboard to perform and sound; that will guide you in making the best choice for your setup.

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