HMX Jelly vs. KTT Purple Star
An in-depth look at the HMX Jelly and the KTT Purple Star switches—which one is the best fit for you?
Overview
When it comes to mechanical keyboard switches, personal preference is key, and two noteworthy options to consider are the HMX Jelly and the KTT Purple Star. The Jelly switches are renowned for their distinctive low-pitched, thocky sound signature, which can be particularly satisfying for users seeking auditory feedback while typing. They are remarkably smooth, owing to excellent factory lubrication, and require only a 42g actuation force, making them a lightweight choice for long typing sessions. Conversely, the KTT Purple Star switches boast an all-POM construction that offers a buttery smooth typing experience with a neutral sound profile, ideal for those who prefer a more subdued auditory environment. With a slightly heavier 45g bottom-out force, they provide ease and comfort, particularly benefiting light typists. While both switches are linear and cater to different typing preferences, your ultimate choice will hinge on whether you prioritize sound and actuation force or the material and feel of the switch. 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
43g
Bottom-out force
48g
Bottom-out force
50g
Pre-travel
2.00 mm
Pre-travel
1.80 mm
Total travel
3.80 mm
Total travel
3.50 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
POM
Bottom housing material
Nylon
Bottom housing material
POM
Mount type
PCB (5-pin)
Mount type
PCB (5-pin)
Spring
22mm extended single-stage spring
Spring
Stainless steel
Housing materials
When comparing the housing materials of the HMX Jelly and the KTT Purple Star switches, distinct characteristics of nylon and POM (polyoxymethylene) become evident. The Jelly switches feature a nylon top and bottom housing, which is known for producing a deeper, fuller sound profile. As a softer material, nylon absorbs sound more effectively than harder plastics, resulting in a muted and rounded acoustic experience. This is particularly beneficial for users seeking a quieter typing experience with a solid tactile feedback, as the material helps soften the impact noise upon bottoming out the key.
Conversely, the KTT Purple Star switches utilize POM for both the top and bottom housings, a material celebrated for delivering a unique sound signature. While also providing a lower sound profile, POM creates a distinct and pleasing auditory experience, though it may not absorb sound as effectively as nylon due to its relatively harder nature. Although both switches contribute to a deeper and muted sound, the POM housing might offer slightly different acoustic characteristics that could be perceived as more vibrant or lively, depending on the pressing and releasing of the keys.
In summary, while the HMX Jelly and KTT Purple Star switches both champion deeper sound profiles, the differences in their materials—nylon versus POM—offer varied experiences to the typist. Users can expect an overall similar acoustic outcome, but with contrasting nuances. The Jelly's nylon housing may create a more rounded and subdued sound, while the Purple Star's POM housing has the potential to deliver a more enhanced resonance. Ultimately, both switches balance sound and tactile feedback, presenting a selection based on user preference for material and acoustic design.
Weight
When comparing the HMX Jelly linear switch and the KTT Purple Star linear switch, we find both options presenting light force characteristics but with slight differences. The Jelly switch features an actuation force of 42 grams and a bottom out force of 48 grams, making it the lighter of the two. In contrast, the Purple Star requires an actuation force of 43 grams and a bottom out force of 50 grams, making it marginally heavier. Although both switches fall into the light category, typists seeking longer typing sessions may prefer the Jelly switch for its slightly lower force requirements. However, those who favor a more substantial typing experience may opt for the Purple Star, as its heavier actuation and bottom out forces provide a different tactile feel. Overall, while both switches are light, the Jelly offers a slightly lighter touch compared to the Purple Star’s slightly more robust response.
Travel distance
When comparing the travel distance of the HMX Jelly linear switch and the KTT Purple Star linear switch, there is a notable difference between the two. The Jelly switch features a travel distance of 3.8 mm, while the Purple Star switch has a shorter travel distance of 3.5 mm. This means that if you prioritize responsiveness and quicker key presses, the KTT Purple Star may be the better option for you due to its shorter travel distance. On the other hand, if you prefer a more substantial feel when typing or gaming, the HMX Jelly provides a longer travel distance, which can deliver a deeper and more tactile experience. Overall, if you lean towards more immediate response times, the Purple Star is the way to go; however, those who appreciate a hearty depth in their keystrokes might find the Jelly switch more favorable.
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 KTT Purple Star comes in at $4.88 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 characterized by its low-pitched, deep, thocky signature, which provides a satisfying acoustic response reminiscent of the thwack produced by higher-quality mechanical switches. This rich and bass-heavy sound gives the Jelly a distinctive auditory presence that can be quite enjoyable during typing sessions. In comparison, the KTT Purple Star switch delivers a more neutral sound signature. While it may not have the same depth as the Jelly, it offers a well-rounded and balanced auditory experience. This low-pitched sound is less pronounced, making it a good choice for those who prefer a more subdued noise level during operation. However, it’s important to keep in mind that the overall sound can be affected by factors such as the keyboard case and keycap materials used.
When evaluating feel, the HMX Jelly switch is known for its exceptionally smooth action due to the premium factory lubrication, making each key press fluid without any noticeable scratchiness. With a lightweight actuation force of only 42g, the Jelly is designed for swift and effortless typing, making it an attractive option for individuals who favor speed and precision in their keystrokes. In contrast, the KTT Purple Star switch is considered mild, offering a gentle typing experience that is approachable for most users. Despite its slightly heavier bottom-out force of 45g, which still remains light, it prioritizes comfort and ease with a design that requires minimal effort to actuate. This combination of easy-to-press characteristics helps reduce finger fatigue, making it well-suited for extended typing sessions.
Overall, both the HMX Jelly and KTT Purple Star linear switches provide unique yet appealing qualities catering to different preferences. The Jelly's thocky sound and smooth feel may be perfect for users looking for an auditory and tactile engagement, while the Purple Star offers a balanced auditory experience and a gentle, comfortable feel ideal for extended use. Ultimately, whichever switch you choose, both options promise a delightful typing experience, only differing in sound profile and tactile sensations. As a newcomer, you can expect satisfaction from either choice, with the main distinction lying in the specific qualities you prioritize in your mechanical keyboard journey.
Conclusion
To conclude, when deciding between the HMX Jelly linear switch and the KTT Purple Star linear switch, your choice should align with your personal typing preferences and intended usage. If you lean towards an engaging auditory experience and appreciate a deeper, thocky sound, the Jelly switch may be your best bet. Its lightweight actuation force of 42 grams, coupled with its smooth operation due to quality factory lubrication, makes it ideal for those who want a seamless and satisfying typing experience. Furthermore, if you often type for extended periods and enjoy a softer touch on your fingers, the Jelly's light bottom-out force of 48 grams can help reduce fatigue. On the other hand, if you prefer a more neutral sound and value a buttery smooth feel with an even lighter bottom-out force of 50 grams, the KTT Purple Star could be the switch for you. Its all-POM construction enhances the typing experience with a mild and easy-to-press nature that makes it a fantastic choice for casual and light typists. In essence, if clarity and smoothness in typing are your priorities, go for the Purple Star; yet, if you favor a richer sound with a lively typing feedback, the Jelly will serve you well.
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