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CPU-Z is more comprehensive in virtually all areas compared to the tools provided in the Windows to identify various hardware components, and thus assists in identifying certain components without the need of opening the case; particularly the core revision and RAM clock rate. It also provides information on the system's GPU.
This is done by defining a series of state-components, each with a size and offset within a given save area, and each corresponding to a subset of the state needed for one CPU extension or another. The EAX=0Dh CPUID leaf is used to provide information about which state-components the CPU supports and what their sizes/offsets are, so that the OS ...
The initial Ryzen CPUs could be crashed by a particular sequence of FMA3 instructions, but updated CPU microcode fixes the problem. [23] July 2019: AMD Zen 2 and later Ryzen processors don't support FMA4 at all. [24] They continue to support FMA3. Only Zen 1 and Zen+ have unofficial FMA4 support.
Takes as input a CPUID leaf index in EAX and, depending on leaf, a sub-index in ECX. Result is returned in EAX,EBX,ECX,EDX. [e] Instruction is serializing, and causes a mandatory #VMEXIT under virtualization. Support for CPUID can be checked by toggling bit 21 of EFLAGS (EFLAGS.ID) – if this bit can be toggled, CPUID is present. Usually 3 [f]
CPU [1] Microarch-itecture Cores/ threads Clock speed (base/turbo) Cache Litho-graphy Max. TDP Integrated Graphics Max. memory size EPT Works on QEMU-KVM Xen VMware ESXi Core2 Quad Q9400 [a] [3] Yorkfield: 4 / 4 2.66 GHz: 6 MB L2: 45 nm: 95 W: No [b] Unknown No Unknown Unknown Unknown Core2 Quad CPU Q9650 [a] Yorkfield: 4 / 4 3.0 GHz ...
Zen is the first iteration in the Zen family of computer processor microarchitectures from AMD.It was first used with their Ryzen series of CPUs in February 2017. [4] The first Zen-based preview system was demonstrated at E3 2016, and first substantially detailed at an event hosted a block away from the Intel Developer Forum 2016.
TechPowerUp GPU-Z (or just GPU-Z) is a lightweight utility designed to provide information about video cards and GPUs. [2] The program displays the specifications of Graphics Processing Unit (often shortened to GPU) and its memory; also displays temperature, core frequency, memory frequency, GPU load and fan speeds.