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The HMX Serene Green and MMD Vivian switches are both standard MX mechanical switches of the linear breed. They both feature standard stem shape, 2 mm pre-travel, 3.60 mm total travel, however, they come with different top housing (modified PA12 vs PA12), bottom housing (modified POM vs PUM (modified)), stem material (modified UPE vs UPE (modified)), actuation (42 g vs 43 g), 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 MMD Vivian is a linear standard MX mechanical switch with PA12 top housing, PUM (modified) bottom housing, and UPE (modified) stem (standard shape). The 43g actuation occurs at 2mm. The 48g bottom-out occurs at 3.60mm. Extra: Light diffuser. Factory lubing? Yes! Manufactured by MMD. |
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| Name | HMX Serene Green | MMD Vivian |
|---|---|---|
| Type | linear | linear |
| Footprint | 5-pin | 5-pin |
| Top housing | modified PA12 | PA12 |
| Bottom housing | modified POM | PUM (modified) |
| Stem material | modified UPE | UPE (modified) |
| Stem shape | standard | standard |
| Spring | 22 mm KOS single-stage | - |
| Actuation | 42 g | 43 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 | - |
| Manufacturer | HMX | MMD |
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 MMD Vivian can be found in multiple stores.
Clicking the links below take you to some notable keyboard shops offering HMX Serene Green and MMD Vivian 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!
Comments on HMX Serene Green switches | Comments on MMD Vivian 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. | MMD Vivian linear switch delivers a satisfying thocky sound profile. The switch features a modified UPE stem that enhances durability. Its top housing is constructed from PA12, while the bottom housing uses modified PUM – Lume Keebs. |
