The best avenue to determine the processing power you need, would be to look at the requirements
of the interface you are going to use.
For example
Presonus Audiobox USB 96 I use Presonus, as I like and use their stuff.
Tech specsComputer system requirements:
Below are the minimum computer-system requirements for AudioBox USB 96.
macOS®
macOS version 10.13 or later
200 MB storage space and 4 GB RAM for Universal Control (required for firmware updates)
Available USB port
Windows®
Windows 10 or later (64-Bit Only)
200 MB storage space and 4 GB RAM for Universal Control (required for firmware updates and low-latency ASIO support)
Available USB port
Note this little caveat: The above are the hardware system requirements for this product.
DAW software and Operating System requirements vary.
Alrighty then.....
Let's look at the Presonus freebie software.
Studio One 5 PrimeSystem Requirements
macOS
macOS® 10.13 or higher (64-bit only)
Intel® CoreTM i3 processor or better, or M1 processor running Rosetta 2
4 GB RAM minimum (8 GB or more recommended)
Internet connection (needed for installation and activation)
Monitor with 1366 x 768 resolution (Retina display recommended)
A multi-touch enabled monitor with TUIO support is required for touch operation
2.5 GB hard-drive space?
Windows
Windows 10 (64-bit only)
Intel® CoreTM i3 / AMD A10 processor or better
4 GB RAM minimum (8 GB or more recommended)
Internet connection (needed for installation and activation)
Monitor with 1366 x 768 resolution (high-dpi monitor recommended)
A multi-touch enabled monitor is required for touch operation
2.5 GB hard-drive space
A great source of info is at
Presonus Forums Hope this helps a bit, to get you looking for the best match up, for what you intend to do.