The HMX Serene Green and Keygeek Butterfly switches are both standard MX mechanical switches of the linear breed. They both feature standard stem shape, 42 g actuation, 2 mm pre-travel, 3.60 mm total travel, however, they come with different top housing (modified PA12 vs PA66), bottom housing (modified POM vs PA12 (with spherical contact point)), stem material (modified UPE vs U5 UPE (with spherical stem tip)), spring (22 mm KOS single-stage vs 19mm/22mm single-stage Japanese wire), bottom-out force (46 g vs 48 g). That said, they are only slightly similar. Let's check out this side-by-side specs rundawn with details, availability -- and even current prices -- to figure out which one fits you the best!
The HMX Serene Green is a linear standard MX mechanical switch with modified PA12 top housing, modified POM bottom housing, and modified UPE stem (standard shape). It features a 22 mm KOS single-stage spring. The 42g actuation occurs at 2mm. The 46g bottom-out occurs at 3.60mm. Factory lubing? Yes! Designed by M Studio. Manufactured by HMX. | The Keygeek Butterfly is a linear standard MX mechanical switch with PA66 top housing, PA12 (with spherical contact point) bottom housing, and U5 UPE (with spherical stem tip) stem (standard shape). It features a 19mm/22mm single-stage Japanese wire spring. The 42g actuation occurs at 2mm. The 48g bottom-out occurs at 3.60mm. Spherical stem tip combined with a spherical contact point in the bottom housing -- for a deep and thocky sound. Factory lubing? Yes! Designed by Suixin Studio. Manufactured by Keygeek. |
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| Name | HMX Serene Green | Keygeek Butterfly |
|---|---|---|
| Type | linear | linear |
| Footprint | 5-pin | 5-pin |
| Top housing | modified PA12 | PA66 |
| Bottom housing | modified POM | PA12 (with spherical contact point) |
| Stem material | modified UPE | U5 UPE (with spherical stem tip) |
| Stem shape | standard | standard |
| Spring | 22 mm KOS single-stage | 19mm/22mm single-stage Japanese wire |
| Actuation | 42 g | 42 g |
| Bottom-out | 46 g | 48 g |
| Pre-travel | 2 mm | 2 mm |
| Total travel | 3.60 mm | 3.60 mm |
| Lube | Factory lubing? Yes! Mixed GPL105&GPL205 on leaf spring, stem feet, and bottom housing rails. | Factory lubing? Yes! |
| Designer | M Studio | Suixin Studio |
| Manufacturer | HMX | Keygeek |
By tracking prices and in-stock status of 30+ well-known keyboard stores worldwide, we can state that the HMX Serene Green is available at a single shop at the moment, while the Keygeek Butterfly can be found in multiple stores.
Clicking the links below take you to some notable keyboard shops offering HMX Serene Green and Keygeek Butterfly switches. When accepted, the prices indicated already include the discount - use the KBDNEWS coupon code at checkout to claim your saving!
Prices, discounts, and stock status are checked regularly; however, changes since the last update cannot be ruled out. Everything here is for informational purposes only. Check the product pages for the latest prices!
HMX Serene Green sound test | Keygeek Butterfly sound test |
No HMX Serene Green sound test available. |
Comments on HMX Serene Green switches | Comments on Keygeek Butterfly switches |
HMX Serene Green switches come with HMX's newly developed POM bottom housing, and it is also the first HMX switch that utilizes POM as its housing material. The modified UPE stem and POM bottom housing create an even fuller and more bassy sound signature than other existing HMX switches. The bottom-out feel is still as solid and firm. They don't feel overly soft because the stem is made of UPE – unikeyboards.com. | The Keygeek Butterfly linear switch is very unique in two aspects: It comes with not just a spherical stem tip, there is also a spherical contact point in the bottom housing; During the keystroke, the spherical stem tip hits the spherical contact point to create a deep and thocky sound profile. The keygeek butterfly linear switch might be the best thocky sounding keygeek switch so far. After fine tuning the material blend and molding design, the Butterfly switches sound deeper, thockier, and noise free; there is no spring or leaf noise during typing – Unikeys. |
