2x MVMe m.2 drives different gen question

[Quango-uk]

I have 2 nvme drives one is a CORSAIR Force MP510 NVMe PCIe Gen3 x4 M.2 SSD the other is (new) Samsung 990 PRO 2TB PCIe 4.0 (up to 7450 MB/s) NVMe M.2

Atm I have the Win 11 on the corsair and will use the samsung to put games on.

Would I notice the difference in booting/loading times, if put the os on the Samsung and also put games on it.

Current pc spec:-
Asrock x570 pro 4
Ryzen 5800x3d
Team Group 8Pack Edition 16GB (2x8GB) DDR4 PC4-25600C14 3200MHz Dual Channel Kit
GeForce RTX™ 3080 Ti GAMING X TRIO 12G
Corsair RMi Series RM850i ATX/EPS Fully Modular 80 PLUS Gold 850 W Power Supply Unit
Fractal Lumin s36 Aio

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[Muzzza]

Not really... is the boring answer. If you had a third you could swap over and find out.

 

[mickyflinn]

No noticeable difference.

 

[tamzzy]

No noticeable difference.

^

games, os etc rely on random reads/writes and neither drive will saturate PCIE 3 much less PCIE 4 bandwidth
it's only when you hammer the drive with large sequential reads/writes eg video encoding that there will be a difference

 

[mrk]

Even video encoding won't saturate the bandwidth, I know as I often transcode and encode in Davinci/Handbrake and never see anywhere near even Gen 3 bandwidth

The real differences are only noticed in benchmark numbers, not real world use.

 

[Quango-uk]

Thanks will leave them as they are then.

 

[Muzzza]

Bit scared, my brain automatically changed the subject.
Something to think about next rebuild, bit like using top nvme for boot on the cpu rather than chipset/switched.