CPU-Z
Free
CPU-Z is a freeware that gathers information on some of the main devices in the system.
HWiNFO (32/64)
Free
Hardware Info (HWiNFO) is a powerful system information utility designed especially for detection of hardware.
SIW
Commercial
SIW is an System Information for Windows program (PC Inventory - Hardware, Software and Network Information).
Belarc Advisor
Free Personal
Belarc Advisor builds a detailed profile of your installed software and hardware, network inventory, any missing Microsoft hotfixes, anti-virus status.
SiSoftware Sandra
Free Personal
SiSoftware Sandra is a benchmarking software.
GPU-Z
Free
GPU-Z is a lightweight system utility designed to provide vital information about video card and graphics processor.
AIDA64
Commercial
AIDA64 is a system information, diagnostics, and auditing application.
PC Wizard
Free
PC-Wizard is a utility designed to analyze and benchmark your computer system.
WinAudit
Open Source
WinAudit is an inventory utility for Windows computers. It creates a comprehensive report on a machine's configuration, hardware and software.
PerformanceTest
Commercial
PerformanceTest is a benchmarking tool.
Compare Speccy with alternatives
Compare HWiNFO (32/64) and Speccy and decide which is most suitable for you.
Compare Belarc Advisor and Speccy and decide which is most suitable for you.
Compare SiSoftware Sandra and Speccy and decide which is most suitable for you.
Compare PerformanceTest and Speccy and decide which is most suitable for you.