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Gateron Sea Salt Smoothie vs. Gazzew U4

An in-depth look at the Gateron Sea Salt Smoothie and the Gazzew U4 switches—which one is the best fit for you?

Overview

When it comes to choosing the right mechanical keyboard switch, the decision can often come down to personal preference regarding feel and sound profile. The Gateron Sea Salt Smoothie, a linear switch, stands out with its medium weight and all-POM construction, delivering an impressively smooth typing experience accompanied by a satisfying "thocky" sound. This makes it an ideal choice for those who crave uninterrupted fluidity in their keystrokes without the distraction of tactile feedback. In contrast, the Gazzew U4, a tactile switch, offers a distinctively sharp tactile bump combined with a plush, felt-like bottom-out sensation, all while maintaining a whisper-quiet sound profile. This switch is perfect for users who appreciate a tactile response during typing and prefer subtler acoustics for a more serene environment. With each switch catering to different preferences and styles, it’s essential to consider your typing habits and the experience you seek. 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

48g

Actuation force

45g

Bottom-out force

N/A

Bottom-out force

62g

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

POM

Top housing material

Proprietary Gazzew blend

Bottom housing material

POM

Bottom housing material

Proprietary Gazzew blend

Mount type

PCB (5-pin)

Mount type

PCB (5-pin)

Spring

20mm extended double-stage spring

Spring

Stainless steel 14mm Korean spring

Housing materials

When comparing the housing materials of the Gateron Sea Salt Smoothie and the Gazzew U4, it's evident that both switches utilize different materials that possess unique acoustic properties. The Sea Salt Smoothie features POM (Polyoxymethylene) for its top and bottom housing, a material known for producing a deeper and more muted sound profile. This consistency in material results in a uniform acoustic signature that emphasizes a particular sound experience when typing or gaming. In contrast, the Gazzew U4 employs a proprietary plastic blend known as "boba plastic" for both its top and bottom housing, which is soft and contributes to a rich and deep sound profile. The softness of this material allows for nuanced sound variations, which can provide a different auditory experience compared to the sturdier POM.

While both switches aim to deliver a deeper sound profile, their differing materials create distinct auditory experiences during use. The Gateron’s POM offers a more consistent and muted sound throughout the keystroke, as both the top and bottom housings share the same acoustic characteristics. This can make the Sea Salt Smoothie a more predictable choice in terms of audio feedback. Conversely, the U4’s boba plastic allows for the sound to evolve slightly between the top and bottom, potentially leading to a richer auditory interaction depending on the specifics of each key press and release. The variation in materials means that the sound signature may develop more depth and complexity when letting go of a key, which some users may prefer for a responsive typing experience.

In essence, when using these switches, users can expect similar outcomes in terms of a deep sound profile; however, the nuances of that profile will vary significantly. With the Sea Salt Smoothie, the uniformity of the POM materials ensures that the sound remains consistent and subdued, making it suitable for environments where quieter operation is desired. In contrast, the Gazzew U4, with its boba plastic blend, may offer a richer auditory palette while still keeping the key feel soft and enjoyable. Thus, while users can expect some common ground between the two switches—specifically, a rich sound and pleasant typing experience—the differences in material will lead to distinct auditory feedback, allowing enthusiasts to choose based on their sound preference and tactile experience.

Weight

The Gateron Sea Salt Smoothie linear switch and the Gazzew U4 tactile switch present interesting contrasts in their actuation forces, with both offering unique typing experiences tailored to different preferences. The Sea Salt Smoothie has an actuation force of 48 grams, making it slightly heavier than the U4's actuation force of 45 grams, which positions the U4 as the lighter option. However, the Sea Salt Smoothie's bottom out force remains unknown, while the U4 features a medium bottom out force of 62 grams. This discrepancy means that while the Sea Salt Smoothie may offer a smoother keystroke experience, the U4 provides a more substantial feel when bottomed out. For users who favor long typing sessions and a lighter touch, the U4 might be more appealing due to its lower actuation force paired with its definitive tactile feedback. Conversely, those who enjoy a heavier switch for a more pronounced typing sensation may lean towards the Sea Salt Smoothie, as its actuation force suggests a firmer feel, although the unknown bottom out force leaves some aspects of its performance open to speculation.

Travel distance

When comparing the travel distances of the Gateron Sea Salt Smoothie linear switch and the Gazzew U4 tactile switch, we see that the Sea Salt Smoothie has a travel distance of 3.7 mm, while the U4 measures at 3.6 mm. This indicates that the Sea Salt Smoothie is slightly longer in its travel distance. For those who favor a more responsive feel, the shorter travel distance of the U4 may be preferable, potentially offering quicker actuation that gamers often desire. Conversely, if a deeper travel experience is preferred, the Sea Salt Smoothie could be the better choice, as its longer distance provides a more substantial keystroke. Both switches have their unique characteristics, catering to different typing preferences, but they remain close in travel distances overall.

Price comparison

Which switch is more bang for your buck?

The Gateron Sea Salt Smoothie has an MSRP of $3.00 per 10 switches. At Milktooth, we are able to pass on savings to our customers and offer the Sea Salt Smoothie for $2.70.

The Gazzew U4 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

In terms of sound, the Gateron Sea Salt Smoothie offers a thocky sound profile, which suggests a deep and resonant tone that can provide a satisfying auditory experience while typing. The Sea Salt Smoothie’s sound is likely to strike a balance between being noticeable without being overly disruptive. In contrast, the Gazzew U4 presents a much quieter sound profile, described as muted and low-pitched. This combination results in a typing experience that is subtle and restrained, making it ideal for environments where noise must be kept to a minimum. Both sound profiles can be influenced by the keyboard construction, such as the choice of board and keycaps used, but one will find that the G4 excels in environments where discretion is paramount.

Regarding feel, the Sea Salt Smoothie is celebrated for its exceptional smoothness, although more specific tactile characteristics are not provided here. On the other hand, the Gazzew U4 is characterized by a sharp tactile bump that delivers a crisp and pronounced feedback with each keystroke. This distinction suggests that while the Sea Salt Smoothie may provide a fluid and seamless typing experience, it may lack the pronounced tactile feedback that the U4 possesses. Users who appreciate a strong tactile response will likely gravitate toward the U4 for its exhilarating sensation during typing.

In conclusion, both the Gateron Sea Salt Smoothie and the Gazzew U4 offer unique qualities that cater to different typing preferences. The Sea Salt Smoothie's thocky sound and exceptional smoothness contrast with the U4's muted sound profile and sharp tactile feedback. Depending on your priorities—be it sound, feel, or a balance of both—each switch has distinct advantages that can enhance your typing experience. Ultimately, if you're looking for a more conventional auditory feedback with a smooth keypress, the Sea Salt Smoothie is an excellent choice. However, if a pronounced tactile experience with minimal noise is what you seek, the Gazzew U4 will serve you well.

Conclusion

To conclude, your choice between the Gateron Sea Salt Smoothie linear switch and the Gazzew U4 tactile switch hinges on your personal preferences and typing style. If you prioritize a smooth and quiet typing experience with a satisfying thocky sound profile, the Sea Salt Smoothie is an excellent option, especially for those who enjoy a more linear feel without the tactile feedback. This switch is well-suited for both gaming and typing, offering a fluid keypress ideal for fast-paced scenarios. Conversely, if you favor a pronounced tactile response and a plush bottom-out sensation, the U4 will suit you better. Its sharp tactile bump offers a delightful typing experience, while the muted sound profile makes it perfect for quiet environments or office settings. Consider the type of feedback you enjoy; for a more responsive feel, choose the U4, and for smooth, uninterrupted keystrokes, opt for the Sea Salt Smoothie. Ultimately, your decision should align with your specific needs for both sound and feel as you navigate your mechanical keyboard journey.

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