The only exception is the Intel Pentium 4 with Hyper-Threading Technology (HTT) . I have also read that Intel was thinking of dropping the CPU ID altogether, from their CPUs. If you look at the code for the program you referenced, you will find that it uses the output from certain registers to determine if SGX is supported. Garcia, Jesus L (Intel) wrote: Hello Ruoyu, Your hardware is fine and it supports SGX. Hello, perhaps anybody from you can help me finding out the stepping of the CPUID. You don’t need a system information utility to find this information. In my case for R630 box running on E5 V4 CPUs BIOS version 2.1.5 has 0xB000017 version. I am trying to read the CPU serial number from inside a software I am developing. Your computer’s CPU is probably made by Intel or AMD. NOTE: CPUID data, presented on this page, was submitted by numerous site visitors using our homegrown CWID program. When CPUID executes with EAX set to 0BH, the processor returns information about extended topology enumeration data. If you can't find the results for your processor, we encourage you to submit them into our CPUID database, and make them public. To find this information in Windows 10’s Settings app, navigate to Settings > System > About. CPUID leaf 1FH is a preferred superset to leaf 0BH. Comparing their listed specifications is a good place to start: a CPU with a higher core count and faster clock speed will generally outperform its siblings in the same product generation.. Historically, Intel processors from the Pentium Pro onwards have a maximum CPUID input value of only 02h or 03h. Introduction. There are several ways to judge the relative performance of CPUs. When I do so, I get zeros. Might not be exactly what you are looking for, but Intel have a good article and sample code for enumerating Intel 64 bit platform architectures (processor, … Indeed, even after you’ve purchased a Mac, the information about the exact CPU model is hidden from the “About this Mac” system report. Using CPUID to Detect the presence of SSE 4.1 and SSE 4.2 Instruction Sets [PDF | 132kb]. For example, when shopping for a new MacBook Air, Apple tells you in the specs that the base CPU is a 1.6GHz dual-core Intel Core i5, Turbo Boost up to 3.6GHz, with 4MB L3 cache, but doesn’t reveal the specific model.. Here’s how to see what CPU you have and how fast it is. But what if you want to compare a top-of-the-line CPU from a few years ago to a midrange one that came out this year? The CPUID command does not explicitly list SGX support. I dumped the CPUID via Rightmark CPU Clock Utility. 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