HMX Jelly vs. Gazzew U4Tx
An in-depth look at the HMX Jelly and the Gazzew U4Tx switches—which one is the best fit for you?
Overview
When it comes to mechanical keyboard switches, enthusiasts often find themselves torn between the smoothness of linear switches and the satisfying feedback of tactile switches. The HMX Jelly switches exemplify the linear category, renowned for their low-pitched, deep, thocky sound signature and an exceptionally smooth keystroke, thanks to top-notch factory lubrication. With a lightweight 42g actuation force, these switches deliver effortless key presses, making them an attractive choice for gamers and typists who favor speed and fluidity without the distraction of clicks or bumps. In contrast, the Gazzew U4Tx switches belong to the tactile family, skillfully combining a deep, resonant "thock" sound on bottoming out with the near-silent topping out, creating an acoustic experience that's both refined and pleasing. Their sharp tactile bump not only provides satisfying feedback but enhances overall typing pleasure, catering to those who appreciate a more interactive keystroke. Both switches offer unique benefits tailored to different user preferences, and while the Jelly is perfect for those seeking smoothness and speed, the U4Tx appeals to aficionados of tactile sensation and sound. 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
42g
Actuation force
N/A
Bottom-out force
48g
Bottom-out force
62.5g
Pre-travel
2.00 mm
Pre-travel
N/A
Total travel
3.80 mm
Total travel
3.60 mm
Factory lubed
Yes
Factory lubed
Yes
Stem construction
Standard
Stem construction
Partial box
Stem material
T2
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 extended single-stage spring
Spring
Stainless steel Korean spring
Housing materials
When comparing the housing materials of the HMX Jelly and the Gazzew U4Tx switches, one finds significant similarities and notable differences that influence their acoustic profiles. The Jelly switch utilizes a classic nylon top and bottom housing, known for its sound-dampening qualities. Nylon is a softer plastic that absorbs sound better than harder materials, contributing to a deeper and fuller sound profile. This results in a duller and rounder auditory experience when typing, which can appeal to those preferring a more subdued keyboard sound. Meanwhile, the U4Tx employs a proprietary "boba plastic" blend for its top and bottom housings. This blend, which incorporates a specific formula to enhance acoustic properties, is designed to deliver a similarly rich and deep sound profile attributable to its softness.
The key difference lies in the specific composition of the materials. While both nylon and Gazzew's proprietary blend are classified as softer plastics contributing to a rounder sound, the specifics of their compositions may yield slightly varied auditory experiences. With the Jelly, you have a conventional nylon housing that has been a staple in switch design, whereas the Gazzew U4Tx’s blend might introduce unique sound characteristics not present in standard nylon. This means that while both switches essentially aim to create a fuller sound, the difference in material could lead to differentiation in the acoustic signature, potentially making the U4Tx a more tailored option for sound enthusiasts seeking a unique auditory experience.
Despite the differing materials, users can expect somewhat similar outcomes from both switches. Given that both the Jelly and U4Tx leverage softer plastics that inherently absorb sound, the typing experience will likely utilize the same principles of sound dampening. For example, in both cases, the bottom-out feel and sound will primarily reflect the properties of the respective bottom housing, while the release sound is influenced by the top housing. Therefore, while individual preferences related to the specific sound profiles may vary, those who appreciate the characteristics of sound-dampening housing materials will find common ground between the two options, whether opting for the traditional nylon of the Jelly or the innovative blend from Gazzew.
Weight
The HMX Jelly linear switch and the Gazzew U4Tx tactile switch present a notable contrast in their actuation and bottom out forces. The Jelly switch has a light actuation force of 42 grams and a bottom out force of 48 grams, making it easier to press and more suitable for prolonged typing sessions or gaming. In contrast, the U4Tx switch has a bottom out force of 62.5 grams, which indicates a firmer feel when bottoming out, but its actuation force is unknown. This could imply that it may require a heavier touch initially to register a keystroke. Consequently, the Jelly is the lighter option, while the U4Tx is the heavier choice, appealing to users who prefer a more substantial typing experience. If the actuation force of the U4Tx were to align with its bottom out force, users would experience a heavier tactile feedback that some might find more satisfying, depending on their personal typing preference.
Travel distance
The HMX Jelly linear switch has a travel distance of 3.8 mm, while the Gazzew U4Tx tactile switch features a slightly shorter travel distance of 3.6 mm. This difference indicates that the Jelly switch offers a more pronounced depth when pressed down, making it potentially more appealing for users who favor a fuller tactile feedback. On the other hand, the U4Tx, with its shorter travel distance, may provide quicker response times, which could be advantageous for gaming enthusiasts seeking rapid keystrokes. As shorter travel distances often lead to a snappier feel, the U4Tx may feel less abrupt to some users compared to longer switches, but it ultimately depends on individual preference. In summary, if you're looking for a more substantial keypress, the HMX Jelly would be the better choice, while the Gazzew U4Tx would suit those who prefer a swifter actuation.
Price comparison
Which switch is more bang for your buck?
The HMX Jelly has an MSRP of $3.50 per 10 switches. At Milktooth, we are able to pass on savings to our customers and offer the Jelly 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 Jelly switch is recognized for its deep, low-pitched thocky sound signature, delivering a rich auditory experience with every keystroke. This sound profile creates a satisfying atmosphere, especially well-suited for those who appreciate the acoustic feedback of their mechanical keyboard. In contrast, the Gazzew U4Tx switch offers a more nuanced soundscape. While it shares the deep “thock” resonance when bottoming out, it also provides a more refined acoustic experience during the top-out phase. The clever design marries the bassy richness of the U4T with a muted characteristic that softens the sound during release, catering to users who prefer a quieter typing session without sacrificing a compelling auditory sensation.
In terms of feel, the Jelly switch stands out for its super smooth operation, primarily attributed to its excellent factory lubrication and lightweight actuation force of 42g. Users can enjoy a seamless experience without the friction that can often detract from the typing rhythm. On the other hand, the U4Tx is engineered to deliver a sharp tactile bump with each key press, ensuring a strong feedback response that heightens the tactile experience. This prominent tactile feedback can enhance the pleasure of typing by providing distinct confirmation with every keystroke, appealing to those who crave a more engaging interaction with their keyboard.
In summary, while both the HMX Jelly and the Gazzew U4Tx switches offer unique qualities, they cater to different preferences. The Jelly’s deep sound and smooth feel may appeal to users looking for a rich auditory and tactile experience. In contrast, the U4Tx provides a refined sound with strong tactile feedback, ideal for those who enjoy clarity in both sound and typing feel. Ultimately, your choice will depend on whether you prioritize smoothness and acoustics or a pronounced tactile sensation combined with refined sound.
Conclusion
In conclusion, the choice between HMX Jelly linear switches and Gazzew U4Tx tactile switches ultimately depends on your personal preferences and the typing experience you desire. If you prefer a smoother, lighter feel and an acoustic signature that provides a deep, thocky sound profile, the Jelly switches are an excellent choice. Their low actuation force of 42 grams and 48 grams bottom-out force make them ideal for prolonged typing sessions or gaming, where you may benefit from rapid key presses without too much strain. On the other hand, if you value a more tactile experience with a pronounced feedback, the Gazzew U4Tx switches are likely to appeal to you. With a medium bottom-out force of 62.5 grams and a distinct sharp tactile bump, these switches combine depth and refinement in sound. Their unique sound profile offers a deep thock when bottoming out while remaining quieter on the upstroke, making them suitable for an office environment or shared spaces. Therefore, whether you lean toward the smoothness of the Jelly or the satisfying tactility of the U4Tx, embracing what feels best for your typing style is key to an enjoyable keyboard experience.