CPU-Z 1.91 with support of new Centaur CPU.

CPU-Z 1.91 has been released.
That new version finalizes the support of the 3rd generation of AMD Ryzen Threadripper (3960X, 3970X and the TRX40 chipset), and adds the support of the 10th generation of Intel Core, codenamed Comet Lake.
This version also adds the preliminary support of the new Centaur x86 CPU with the AI coprocessor that was announced recently. You can read the press release at that address.

CPU-Z Vintage Edition

CPU-Z turns 20 this year, and to celebrate that birthday we’re glad to introduce a « new » version of CPU-Z modified to run on the systems that existed 20 years ago. In practice, that version improves (or adds, in some cases) the support of 386, 486, 586 and 686 class processors of all major brands of this past time, and is able to run on Windows 95 and 98.

The CPU-Z Vintage Edition adds the following features :

An improved detection of the old processors from 386s to 686s, with or without the cpuid instruction. That includes :

- Intel i386 (SX & DX), i486 (SX to DX4), Pentium (P5 to Tillamook), Pentium Pro, Pentium II and Pentium III (Katmai to Tualatin).

- AMD Am386 (SX & DX), Am486 (SX2 to DX4), Am5x86, K5, K6 (2, 2+ & III) and Athlon (K7 to Barton).

- Cyrix Cx486DLC, Cx486S, Cx486 (DX to DX4), 5x86, 6x86 (& MX), MII, MediaGX.

- and others : IBM 486SLC/SLC2/BL3, NexGen Nx586, UMC U5S & U5D, Rise mP6, IDT Winchip C6, VIA C3 ...

An improved CPU clock speed computation intended to report the precise clock speed on processors without TSC (namely most 386s and 486s).
When possible, the clock multiplier and the FSB are also reported.

A new INT/FPU benchmark.
Matching the raw computing power of 386 to 586 class processor, that old-style monothreaded CPU bench tests the integer and the floating-point performances.

The L2 cache size and memory timings reading on the most popular old chipsets :

- UMC UM8881.
- Ali M1489/1487, M1531, M1541.
- SiS 85C496/497, 85C501/502/503..
- VIA Apollo VP3/MPV3.
- Intel 430LX/TX/HX, 440FX/LX/BX.

Special thanks go to :

- The VOGONS community for their precious help and patience for the tests and the advices.

- X86.FR for providing us with a prototype of their ATX2AT Smart Converter that we used to power up
the vintage hardware used to develop that project. Note that the ATX2AT project is currently on
KickStarter and we do strongly encourage you to get one if you are restoring vintage computers.

Please visit the CPU-Z page to download your copy of the Vintage Edition.


2019 is a special year for CPUID. The very first version of CPU-Z was released in 1999, so hum yes it turns 20 this year :)
For that occasion, a special "anniversary" version is planned with a dedicated design, so please stay tuned !

We would like to thanks all the generous persons who made a donation for CPU-Z. These allow to constantly improve the program, and always add the support for more hardware (for both modern and retro devices).

HWMonitor and HWMonitor PRO continue to evolve together. A lot of work was made on these two programs, by supporting more and more maionboards, but also by adding new types of sensors. Still more sensors are planned to be added.

powerMAX is now one year old, and this year a new version will be released that will add hardware monitoring features, for more convenience.

We definitely won't get bored this year.

We wish you all a very Happy New Year 2019.

CPU-Z 1.85 : AMD AGESA version.

CPU-Z 1.85 is out. This new version adds the report of the AGESA version on AMD processors. The information is shown near the BIOS version, in the mainboard page.
In addition, this version reports the clock speeds with a higher refresh rate, and also fixes the "error 577" during the program initialization on Windows XP and 7, preventing all information from being reported.