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SP-Star RedBlue vs. Gazzew U4T

An in-depth look at the SP-Star RedBlue and the Gazzew U4T switches—which one is the best fit for you?

Overview

Introducing the SP-Star RedBlue and the Gazzew U4T, two mechanical keyboard switches that each offer a unique typing experience. The RedBlue is a linear switch that is perfect for those who prefer a medium-light typing experience. It produces a relatively higher-pitched sound profile and is categorized as low-pitched, neutral, mild, thocky, and polished. On the other hand, the Gazzew U4Ts are tactile switches that combine a bassy 'thock' sound profile with a sharp tactility. Each keystroke provides both auditory and tactile satisfaction, making it a great choice for those who appreciate a harmonious fusion of thockiness and tactile feedback. While these general descriptions can guide your decision, let's delve deeper to uncover the ideal switch for your specific needs and preferences.

By the numbers

Technical specifications

Actuation force

N/A

Actuation force

N/A

Bottom-out force

57g

Bottom-out force

65g

Pre-travel

2.00 mm

Pre-travel

N/A

Total travel

4.00 mm

Total travel

4.00 mm

Factory lubed

Yes

Factory lubed

Yes

Stem construction

Standard

Stem construction

Standard

Stem material

POM

Stem material

POM

Top housing material

Polycarbonate

Top housing material

Proprietary Gazzew blend

Bottom housing material

Polycarbonate

Bottom housing material

Proprietary Gazzew blend

Mount type

PCB (5-pin)

Mount type

PCB (5-pin)

Spring

Gold plated

Spring

Stainless steel 17.5mm Korean spring

Housing materials

The housing materials of the SP-Star RedBlue and the Gazzew U4T switches differ in terms of their composition and resulting sound profiles. The RedBlue incorporates polycarbonate for both its top and bottom housings, which leads to a sharper, higher-pitched, and crisper sound. The relatively stiff nature of polycarbonate imparts clarity and resonance to the sound produced. This material is especially suitable for the top housing if RGB lighting is intended, as its translucency allows for an enhanced visual effect.

In contrast, the U4T utilizes a proprietary Gazzew blend for both its top and bottom housings, sometimes referred to as "boba plastic." This unique plastic blend imparts a rich and deep sound profile due to its softness. The softer material of the Gazzew blend creates a different tactile experience, delivering a distinct bottom-out sound and feel. The resulting sound when releasing a key is also influenced by the top housing material.

Although the materials used in the top and bottom housings of the RedBlue and U4T switches differ, they both contribute to the overall sound profile. The RedBlue's polycarbonate top and bottom housings share similar characteristics, creating a consistent sound experience throughout the key press. Similarly, the Gazzew blend in the U4T's top and bottom housings ensures that the sound profile remains cohesive. Both switches offer unique sound profiles, with the RedBlue focusing more on sharpness and clarity, while the U4T emphasizes depth and richness.

Weight

When comparing the actuation force and bottom out force of the SP-Star RedBlue linear switch and the Gazzew U4T tactile switch, we find some similarities and differences. Starting with the actuation force, the specific gram measurement is unavailable for both switches. However, we can assume that they are comparable or similar since it was not mentioned otherwise. Moving on to the bottom out force, the SP-Star RedBlue has a slightly lighter bottom out force of 57 grams, which falls into the medium-light category. On the other hand, the Gazzew U4T has a slightly heavier bottom out force of 62 grams, placing it in the medium range.

Considering weight, individuals who prefer a lighter typing experience may lean towards the SP-Star RedBlue as its bottom out force is lighter, allowing for longer periods of comfortable typing. This could be particularly advantageous for those using the keyboard for extended work or gaming sessions. Conversely, individuals who desire a more substantial typing experience and prefer a stronger push feel might opt for the Gazzew U4T, which has a heavier bottom out force.

In conclusion, while the specific actuation force gram measurements are unknown for both switches, it is likely that they would yield similar results. However, the SP-Star RedBlue offers a lighter bottom out force compared to the Gazzew U4T, making it a preferable choice for those seeking a lighter typing experience, while the U4T provides a slightly heavier bottom out force, catering to individuals who prefer a more substantial push feel.

Travel distance

The travel distances of the SP-Star RedBlue linear switch and the Gazzew U4T tactile switch are both 4 mm. This means that when you press down on a key equipped with either of these switches, you will feel the same distance of travel. Both switches offer a consistent and satisfying keystroke experience, making them ideal choices for typing enthusiasts.

Price comparison

Which switch is more bang for your buck?

The SP-Star RedBlue has an MSRP of $5.80 per 10 switches. At Milktooth, we are able to pass on savings to our customers and offer the RedBlue for $5.40.

The Gazzew U4T 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 SP-Star RedBlue linear switch offers a relatively higher-pitched sound profile. These switches produce a medium-light typing experience with a more mellow and bass-heavy tone. On the other hand, the Gazzew U4T tactile switch provides a bassy 'thock' sound profile that embodies a harmonious fusion of thockiness and sharp tactility. The U4T's sound can be characterized by a deep, rich, and satisfying tone reminiscent of a deep "thud" or a soft "knock" when the key is pressed and released. Both switches offer a thocky sound, but the RedBlue is more low-pitched while the U4T is described as bassy. It is important to note that the sound of a switch can also be influenced by other factors such as the choice of board and keycaps.

In terms of feel, the SP-Star RedBlue linear switch provides a mild and polished typing experience. These switches offer a more gentle typing experience with a safe, middle-ground feel. The polished finish of the RedBlue switch results in reduced friction and smooth key travel, contributing to a sleek typing experience. On the other hand, the Gazzew U4T tactile switch is known for its sharp tactile feedback. The U4T switch offers a strong and crisp tactile bump that can be distinctly felt with each keypress. The U4T provides a more pronounced and intense feedback compared to the RedBlue.

Considering the available information, the SP-Star RedBlue linear switch is best suited for those who prefer a medium-light typing experience with a low-pitched, thocky sound profile. The RedBlue switch offers a mild and polished feel, providing a gentle and approachable typing experience. On the other hand, the Gazzew U4T tactile switch is suitable for individuals seeking a bassy, thocky sound profile paired with assertive tactile feedback. The U4T offers a sharp tactile bump that delivers a distinct and satisfying typing experience. When comparing the two switches, it is evident that they offer different qualities. However, if you prefer a similar sound profile, the U4T can provide a thocky sound similar to the RedBlue, albeit with more bassiness. Additionally, the U4T's sharp tactile feedback is a unique characteristic that the RedBlue does not possess. Ultimately, the choice between the two switches would depend on one's personal preferences for sound and feel during typing.

Conclusion

To sum up, if you are looking for a medium-light typing experience with a relatively higher-pitched sound profile, the SP-Star RedBlue linear switch is the way to go. These switches are best suited for those who prefer a more gentle typing experience, as they have a mild feel and a polished finish for smooth key travel. The RedBlue switches also have a neutral sound profile, which makes them suitable for most purposes, whether you are a beginner or advanced user, and whether you plan to use them at home or work.

On the other hand, if you prioritize auditory and tactile satisfaction, the Gazzew U4T tactile switch is the better choice. These switches have a bottom out force of medium intensity and offer an assertive tactile feedback. They are best known for their harmonious fusion of thockiness and sharp tactility. The U4T switches produce a bassy 'thock' sound profile that is deep and rich, resembling a satisfying "thud" or "knock" when the key is pressed and released. Additionally, their sharp tactile bump provides a distinctive and satisfying feedback with each keypress.

Ultimately, choosing between the SP-Star RedBlue linear switch and the Gazzew U4T tactile switch depends on your preferred typing experience. If you value a gentle and polished feel with a neutral sound profile, go for the RedBlue switches. However, if you prioritize auditory and tactile satisfaction with a bassy thock sound profile and sharp tactile feedback, the U4T switches are the way to go. Consider your preferences and needs, and select the switch that will enhance your typing experience the most.

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