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The HMX EVA and MMD Vivian switches are both standard MX mechanical switches of the linear breed. They both feature PA12 top housing, standard stem shape, 48 g bottom-out force, 3.60 mm total travel, however, they come with different bottom housing (PA4 vs PUM (modified)), stem material (T2 vs UPE (modified)), actuation (42 g vs 43 g), pre-travel (1.80 mm vs 2 mm). That said, they are moderately 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 EVA is a linear standard MX mechanical switch with PA12 top housing, PA4 bottom housing, and T2 stem (standard shape). It features a 22 mm single-stage spring. The 42g actuation occurs at 1.80mm. The 48g bottom-out occurs at 3.60mm. 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 EVA | 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 | 22 mm single-stage | - |
| Actuation | 42 g | 43 g |
| Bottom-out | 48 g | 48 g |
| Pre-travel | 1.80 mm | 2 mm |
| Total travel | 3.60 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 EVA is much more widely available, but the MMD Vivian is also available in stores.
Clicking the links below take you to some notable keyboard shops offering HMX EVA 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 EVA switches | Comments on MMD Vivian switches |
The designer of the EVA switch made an attempt to create an even deeper and thockier HMX switch than Canglan V2. What's different between the two is that EVA switches have a P4 bottom housing. The duo of a T2 stem and P4 bottom housing makes the bottom-out sound more lively while still retaining its deepness and thockiness. Also, the P4 material creates a less sharp bottom-out feeling. You would notice this if you have tried Jammy switches before. Overall, the EVA switch would be very pleasant to listen to and type on. However, they are still from HMX, so there is no guarantee they are going to sound as deep and thocky as switches from other manufacturers – Unikeys. | 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. |
