Side by side

NWinfo vs System Information Viewer

Both stand on system information software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

NWinfo

Free plan Windows

NWinfo provides broad, direct hardware inspection with both graphical and command-line workflows. Its export options and portable build are practical, but driver dependencies and the DIMM SPD warning deserve care.

Visit NWinfo

System Information Viewer

Free plan Windows

Choose SIV for a free home-use Windows utility with broad hardware and firmware reporting, portable availability, and a command-line interface. Users seeking AIO control need a supported device, and commercial users need to contact the maker about pricing.

Visit System Information Viewer

The facts

	NWinfo	System Information Viewer
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Windows	Windows
Lowest paid plan	Not published	Free or on request
Plans published	None	2
Maker	Not published	Not published
Website	a1ive.github.io	rh-software.com
On system information software	#27 of 34	#23 of 34

NWinfo: what it does well

Collects hardware data without WMI
Offers GUI and command-line interfaces
Exports JSON, YAML and HTML
Includes multiple sensor providers
Portable version available

What to know first

Some data may need a driver
NVMe requires Windows 10 or later
GPU access requires GPU drivers
DIMM SPD reading may damage hardware

System Information Viewer: what it does well

Reports CPU, PCI, PCMCIA, USB, SMBus, SPD, and ACPI details.
Includes firmware and hardware sensor information.
Offers portable and command-line versions.
Home use costs nothing.
Supports a broad range of Windows versions and architectures.

What to know first

AIO control works only with supported devices.
Some motherboard utilities should not run concurrently with SIV.
Commercial-use pricing requires contacting the maker.

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