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HMX EVA vs. TTC Flame Red

An in-depth look at the HMX EVA and the TTC Flame Red switches—which one is the best fit for you?

Overview

When it comes to mechanical keyboard switches, the HMX EVA and the TTC Flame Red stand out as two noteworthy linear options, each appealing to different preferences and aesthetic sensibilities. The HMX EVA, inspired by the vibrant colors of Evangelion Unit-01, is celebrated for its resonant sound signature and silky smooth typing feel, making it a fantastic choice for users who prioritize a refined and immersive typing experience. On the other hand, the TTC Flame Red catches the eye not only for its dazzling light diffuser, which enhances any backlit or RGB keyboard setup, but also for its weighty smoothness and clacky sound profile that adds a dynamic quality to each keystroke. While both switches deliver the smooth actuation typical of linear switches, they cater to distinct tastes—EVA leans towards a more subdued and polished experience, while the Flame Red excels in visual appeal and auditory feedback. However, let's dive in a bit deeper beyond generalities so you can best decide on the right switch for you.

By the numbers

Technical specifications

Actuation force

42g

Actuation force

45g

Bottom-out force

48g

Bottom-out force

54g

Pre-travel

2.00 mm

Pre-travel

2.00 mm

Total travel

3.60 mm

Total travel

4.00 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

Nylon

Bottom housing material

Nylon

Bottom housing material

Nylon

Mount type

PCB (5-pin)

Mount type

Plate (3-pin)

Spring

22mm single-stage spring

Spring

24.5mm long spring

Housing materials

Both the HMX EVA and the TTC Flame Red utilize nylon as their housing material for both the top and bottom components, leading to striking similarities in the acoustic characteristics and tactile experiences offered by these switches. Nylon is renowned for its softer texture, which contributes to a deeper and fuller sound profile when the keys are pressed. This absorbent quality results in a sound that feels rounder and more dulled compared to the sharper sound produced by harder plastics. As a result, users of both the EVA and Flame Red can expect a satisfying auditory experience, as the nylon dampens sound and enhances the overall typing pleasure.

In terms of design, the use of nylon in both switch models creates a seamless blending of performance and aesthetics. With nylon being a classic switch housing material, both the HMX EVA and TTC Flame Red provide a level of reliability that is well-regarded in the mechanical keyboard community. However, the key consideration arises from how each housing (top and bottom) influences the overall feel and sound depending on the switch's design. Since both models share the same material for their top and bottom housings, there isn’t a disparity in material properties that might alter the performance or auditory feedback significantly.

Despite the identical material used in both switches, users may still perceive minor differences due to variances in design, manufacturing tolerances, or internal mechanics. However, since each housing is crafted from nylon, the results in terms of sound profile and tactile feedback will be similar. The nylon bottom housing will primarily influence the bottom-out sound and feel, while the top housing will impact the sound upon releasing the key. As a consequence, whether using the HMX EVA or the TTC Flame Red, one can expect a consistent and satisfying typing experience defined by the rich acoustic qualities of nylon, leading to a harmonious blend of sound and touch.

Weight

The HMX EVA linear switch and the TTC Flame Red linear switch exhibit notable differences in both actuation and bottom-out forces. The EVA switch has a lighter actuation force of 42 grams and a bottom-out force of 48 grams, making it ideal for users who prefer a softer touch for long typing sessions or intense gaming. In contrast, the Flame Red switch has a slightly heavier actuation force of 45 grams and a bottom-out force of 54 grams, providing a more substantial typing experience for those who favor a firmer push. Overall, the EVA is the lighter option, whereas the Flame Red is the heavier one. While both switches are designed for linear operation and can deliver a smooth keystroke experience, the difference in force levels means that typists and gamers looking for a lighter touch may gravitate toward the EVA, while those seeking a more tactile and resistant feel might prefer the Flame Red.

Travel distance

The HMX EVA linear switch has a travel distance of 3.6 mm, while the TTC Flame Red linear switch features a slightly longer travel distance of 4 mm. This means that the EVA switch is better suited for those seeking a more responsive keystroke, ideal for gamers who benefit from quicker actuation. In contrast, the Flame Red switch offers a deeper feel due to its longer travel distance, which may appeal to users who prefer a more substantial typing experience. Ultimately, if you value speed and responsiveness, the HMX EVA's shorter 3.6 mm travel distance will provide a distinct advantage. Conversely, if a more deliberate and tactile keystroke is your preference, the TTC Flame Red's 4 mm distance would be the better choice.

Price comparison

Which switch is more bang for your buck?

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

The TTC Flame Red has an MSRP of $7.29 per 10 switches. At Milktooth, we are able to pass on savings to our customers and offer the Flame Red for $4.38.

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 EVA switch boasts a resonant sound signature that enhances the overall acoustics of your typing experience, making it rich and engaging. In contrast, the TTC Flame Red switch features a more neutral sound profile. This neutrality means it has a moderate actuation force and sound level, making it versatile for various environments—ideal for both home and workplace settings. While the EVA provides a unique resonance, the Flame Red produces a balanced sound that doesn’t lean towards either being overly loud or overwhelmingly silent, making them distinct in their acoustic signatures.

Regarding feel, the EVA switch is characterized by its silky smooth typing experience, designed to glide effortlessly under your fingers. This smoothness enhances comfort during extended typing sessions. On the other hand, the TTC Flame Red switch offers a weighty smoothness along with a mild typing sensation. By providing a gentle tactile feedback while typing, along with a polished finish, it allows for a refined experience that minimizes friction. Both switches prioritize ease of use and smoothness, but the EVA leans more towards a luxurious glide, while the Flame Red maintains a balanced, approachable feel.

In summary, the HMX EVA and TTC Flame Red switches each present their own unique characteristics, particularly in sound and feel. The EVA delivers a resonant and engaging auditory experience paired with a silky smooth touch, perfect for those seeking a rich typing atmosphere. Meanwhile, the Flame Red switch brings a more neutral sound and mild, weighty touch that emphasizes versatility and approachability. Ultimately, while they each excel in their specific qualities, both switches are capable of providing a satisfying typing experience, with the choice depending on whether you prefer the unique resonance and smoothness of the EVA or the balanced and polished feel of the Flame Red.

Conclusion

To conclude, when deciding between the HMX EVA linear switch and the TTC Flame Red linear switch, consider your typing preferences and the environment in which you’ll be using your keyboard. If you favor a lighter actuation force and are drawn to a smooth feel combined with unique aesthetics inspired by anime, the EVA is a fantastic choice. Its sound signature, while not explicitly described, is resonant, making it appealing for those who appreciate a quieter typing experience without sacrificing performance. However, if you’re looking for a switch that offers a weightier yet smooth typing sensation with a more versatile sound profile suitable for various environments, the TTC Flame Red is your go-to option. Additionally, its excellent light diffusion makes it particularly suitable for backlit or RGB keyboards, enhancing overall visual appeal. Ultimately, choosing between these switches hinges on whether you prioritize a lighter, smoother experience with a distinctive flair or prefer a balanced feel with polished performance and aesthetic versatility.

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