How much RAM and CPU do you need for virtual machines

Want to run a virtual machine on your desktop computer?
Let's look in to how much RAM and CPU power you need to run bot the VM, and the host system.

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#virtualmachines
#windows
#linux
#technology

[bertnijhof]

Good video with smart common sense advice. I use Virtual Machines since 2009 and at that time Virtualbox was by far the best for the Homer user and I'm convinced it is still the best. My Host OS is a minimal install of Ubuntu 22.04 LTS and I run all VMs from the OpenZFS filesystem. In the 16GB Ryzen 3 2200G I can run 4 modern Linux VMs or 2 modern Windows VMs at the same time and each VM, except the 20th century ones, get all 4 cores. I see no advantage in slowing down a VM artificially, because the Linux scheduler handles all processes of Host and the N x 4 VM processes perfectly.

My oldest still weekly used VM, is Windows XP Home. The XP-VM has been installed and activated in March 2010 and it survived 3 desktops and 4 CPUs (Pentium 4; Phenom X3; Phenom II X4 and a Ryzen 3 2200G). Typical boot times from nvme-SSD for e.g Xubuntu VM is 6.5 seconds and for Windows XP VM it is 20 seconds. I have 2 or 3 use cases for VMs and that is why I have ~70 VMs.

1. I moved all my Apps to specialized VMs (4 Linux VMs):
- External Communication the only one with open ports;
- an Encrypted Banking VM;
- Multimedia VM;
- A VM for Experiments & Try-outs;
- Windows 11 Pro and
- Windows XP Home to play the wma copies of my LPs and CDs with WoW and TrueBass effects.

2. I'm a collector and I have all Windows releases from 1986 (Windows 1.04) to 2022 (Windows 11 Pro). I have all Ubuntu LTS releases from 6.06 to 22.04; the first 4.10; my first 5.04 and the development edition 23.04 and I have good old MS-DOS+Dosshell; DR-DOS+Viewmax and OS/2 WARP.

3. I'm a more or less a retired distro hopper. I deleted all distros, that showed issues during their first months of running updates and I kept all distros without Issues, like Manjaro; Fedora; Linux Mint; Zorin; Debian Stable; OpenSUSE Leap and most Ubuntu flavors.

[liblevis]

Yeah, the required resources will depend on what operating system you're booting. Windows naturally will require a lot more than something like Debian. I find QEMU with KVM to be the fastest and most efficient in comparison to virtual box. Haven't used vmware workstation in ages, but have used ESXi along with Proxmox on servers for the purpose. Those machines can fit an insane amount of processor power and memory. A couple machines we have now have beyond 100 GB of memory and over 40 processor cores just for virtualization. It's quite useful the number of things you can do, especially once you figure out device pass-through. PCI-E pass-through is awesome but it can be a pain in the ass to set up.

[andresbarrera]

Tnkss, I have a Doubt, 16gb RAM DDR5 7500 Mhz. Vs 32gb ddr4 3200 mhz which have best performance for VM.

[GmshrtZ]

Could you help me setting up a NV16as v4 VM please

[PCBUILDS]

I'm planning to Build PC Spcieally to Run Multiple VMs for Apps Testing so for that I'm planning to get I7-12700K with 12 Cores and 20 Threads and 32GB RAM so according to Google Gemini / Bard I will be able to make 12 VMs is that right??

Currently I have Intel Core i5-9300H on my Gaming Laptop which has 4 cores in which I'm able to make 4 VMs by giving 1 CPU each VM!

[jackinsights]

CPU contention is fine on a personal homelab; unless you plan on pegging your VMs at 100% all the time.

[not_exodus]

master of logic straight to the point excellent visualization and accurate presentation points subscribed

[alanjackson]

Hi can anyone advise if the new 2023 Mac Studio (M2 Max with 12‑core CPU, 30‑core GPU, 16‑core Neural Engine, 64GB unified memory, 512GB SSD) could run 4x Windows 11 based VM's via UTM4 simultaneously each running trading bots in real time as well as trading via the host? Thank you.

[Burton]

You can still VM windows as windows user if you want for tests or what ever.

[tammyvaughn]

How much ram do you need on Mac OS to run parallels and windows 11? Just doing basic tasks, word processing accessing websites, emails etc.

[Jdmith]

I have 8 cores after hyper threading and 16 gm ram. What would you recommend?

[Oswald_and_Windows_tech]

Here are my levels:
Bare minimum would be a dual core 1.80ghz processor and 4gb ram

Recommended (although still a little sluggish)
8gb ram with 1 core i7

True recommended that runs very well would be 2 - 4 core i7s with 16gb ram.

Best would be 32gb ram with 8 core i7s

[krishnamafia]

I have ryzen 5 7530u 6 core and 12 threads 16gb ram how many vms can i run on it?

[netrodex]

I see... so maybe that's why when I tried to game on my windows VM it was trash XD my macbook pro back then only had 16gb and 1tb... I was using most of it. The installation was solid, but after that.. mega issue mega leggy. thanks for the tip

[kryptkeeper]

love this! perfectly explainedand thank you for the help! (now Roast: fuck this fuck that this dude sound like he learn english from playing pc online games in 2000 lmao)

[eriakinfisoye]

To anyone that can answer this. I have a 8gb laptop, with 1Tb of storage (Pavilion 360) and I want to begin my journey in ethical hacking. I am not sure if my laptop is capable of doing such without having any drastic effect on the capabilities of the laptop....can anyone please put me through?

[ShortBossss]

Kannst du das gleiche Video auf deutsch machen

[maartenc]

Of course you need as many RAM, at least 32Gb.
And many cores something like a threathripper.
And A large harddisk (to install your games)...
And a large GPU to pass-through like a Geforce RTX 4090
And BTW you should use

Might as well buy a second pc just for