Speed increase, kn/s, %, Stockfish

[Magnum]

Let's say Stockfish is running with 100000 kn/s.
Would we see a speed increase or decrease if we change some of the following things:
How many % faster would you expect for each of them?
What would be the 3 biggest speed improvements in your opinion?

-Multithreading/Hyperthreading -> on/off
-RAM LPDDR5X 8500 -> LPDDR6 17000 MT/s
-128 -> 256 GB RAM
-memory bandwidth doubled
-4 memory channels -> 8 memory channels (octa channel)
-SSD speed doubled
-PCI 4.0 -> PCI 5.0
-PCI 4.0 -> PCI Express 6.0
-L1 cache doubled
-L2 cache doubled
-L3 cache doubled

[Ras]

What would be the 3 biggest speed improvements in your opinion?

Everything rather minor compared to hyperthreading which should yield +50% raw NPS - though the increase in strength would be much lower because splitting up the raw NPS into twice as many threads means that more redundant calculations are done that wouldn't be performed without that split in the first place.

[Magnum]

What would be the 3 biggest speed improvements in your opinion?

Everything rather minor compared to hyperthreading which should yield +50% raw NPS - though the increase in strength would be much lower because splitting up the raw NPS into twice as many threads means that more redundant calculations are done that wouldn't be performed without that split in the first place.

Do you mean:

CPU A, hyperthreading off = 50000 kn/s
vs
-CPU A, hyperthreading on = 75000 kn/s = +1 elo
-CPU B, hyperthreading off = 75000 kn/s = +5 elo

[Ras]

CPU A, hyperthreading off = 50000 kn/s
vs
-CPU A, hyperthreading on = 75000 kn/s = +1 elo
-CPU B, hyperthreading off = 75000 kn/s = +5 elo

Yes, something like that. The +Elo uplifts understood just as example numbers, but the third case will have clearly more Elo than the second case.

[Magnum]

CPU A, hyperthreading off = 50000 kn/s
vs
-CPU A, hyperthreading on = 75000 kn/s = +1 elo
-CPU B, hyperthreading off = 75000 kn/s = +5 elo

Yes, something like that. The +Elo uplifts understood just as example numbers, but the third case will have clearly more Elo than the second case.

-Hyperthreading off =
50000kn/s = +0 elo
55000kn/s = +1 elo - CPU C
60000kn/s = +2 elo
65000kn/s = +3 elo
70000kn/s = +4 elo
75000kn/s = +5 elo - CPU B

-Hyperthreading on =
50000kn/s = +0 elo
55000kn/s = +0.2 elo
60000kn/s = +0.4 elo
65000kn/s = +0.6 elo
70000kn/s = +0.8 elo
75000kn/s = +1 elo - CPU A

-CPU C hyperthreading off = 55000kn/s

-CPU A hyperthreading on 75000kn/s vs CPU C hyperthreading off 55000kn/s = same elo