Which is better - Vivid Plasma or Searing Plasma?

Item 1:

https://backpack.tf/item/5572939255

Sale 1:

https://backpack.tf/profiles/76561199111073161#!/compare/1719619200/1719705600

https://backpack.tf/profiles/76561198211674749#!/compare/1719532800/1719705600

https://imgur.com/a/CWpG3qs

Sold for 34 keys & 40 ref = ~35.6 keys

Item 2:

https://backpack.tf/item/394995078

Sale 2:

https://backpack.tf/profiles/76561199085116273#!/compare/1714608000/1714694400

https://backpack.tf/profiles/76561198261483133#!/compare/1714608000/1714694400

Sold for 36 keys pure.

Sale 3:

https://backpack.tf/profiles/76561198261483133#!/compare/1714694400/1714780800

https://backpack.tf/profiles/76561198312564232#!/compare/1714348800/1716076800

Looks like 39 keys. I added the involved parties to confirm but have not heard back in a bit.

Sellers:

https://imgur.com/a/rSVWDP6

-1x seller @ 42 keys

-Buyers @ 33 keys

Sales @ 34.6, 36, and 39. Rounding 34.6 to 35.

Rolling with a range of 35-39.