The HMX Jelly and MMD Vivian switches are both standard MX mechanical switches of the linear breed. They both feature PA12 top housing, standard stem shape, - spring, 48 g bottom-out force, 2 mm pre-travel, however, they come with different bottom housing (PA4 vs PUM (modified)), stem material (T2 vs UPE (modified)), actuation (42 g vs 43 g), total travel (3.80 mm vs 3.60 mm). That said, they are quite 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 Jelly is a linear standard MX mechanical switch with PA12 top housing, PA4 bottom housing, and T2 stem (standard shape). The 42g actuation occurs at 2mm. The 48g bottom-out occurs at 3.80mm. Factory lubing? Yes! 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 Jelly | MMD Vivian |
|---|---|---|
| Type | linear | linear |
| Footprint | 5-pin | 5-pin |
| Top housing | PA12 | PA12 |
| Bottom housing | PA4 | PUM (modified) |
| Stem material | T2 | UPE (modified) |
| Stem shape | standard | standard |
| Spring | - | - |
| Actuation | 42 g | 43 g |
| Bottom-out | 48 g | 48 g |
| Pre-travel | 2 mm | 2 mm |
| Total travel | 3.80 mm | 3.60 mm |
| Lube | Factory lubing? Yes! | Factory lubing? Yes! |
| Designer | - | - |
| Manufacturer | HMX | MMD |
By tracking prices and in-stock status of 30+ well-known keyboard stores worldwide, we can state that the HMX Jelly 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 Jelly 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 Jelly switches | Comments on MMD Vivian switches |
HMX Jelly switches are linear switches with three different materials for top housing, bottom housing, and stem for an uncharacteristically deep sound profile for HMX – Divinikey. Another switch by HMX, linear switch - top and bottom housing is Nylon, the mounting type is PCB (5-Pin). "Low-pitched creamy" sound that has a lot of bass to give you a satisfying sound in your mechanical keyboard – CandyKeys. | 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. |
