You bought a laptop or desktop — but what is really inside it? Which processor, how much RAM and of what type, which motherboard, which graphics card? You do not need to open the cabinet or guess from stickers. One small free tool reads the whole configuration, tab by tab.
When a new PC or laptop lands on the desk, the first honest question is what exactly is inside this machine — and Windows spreads that answer across three different screens. The About page shows the processor and total RAM, msinfo32 lists devices, and Task Manager shows live usage. Jumping between them is exactly the confusion this video removes: it uses CPU-Z, a small free tool from CPUID that puts your processor, motherboard, RAM and graphics card in one window. This page follows the video's method and adds the reading notes — the two or three places where these tools show numbers that are easy to misunderstand.
The CPU tab of CPU-Z — name, socket, cores and instruction sets read straight from the processor. Values above are from one example machine; yours will show your own hardware.
The tool is CPU-Z, made by CPUID. It is completely free, and it only reads your hardware — it changes nothing on your PC, so it is safe to run on any machine, even a brand new one.
cpuid.comOne honest warning: dozens of other sites repackage this little tool with extra junk installers. The video searches for CPU-Z in the browser — when you do the same, take the result that leads to cpuid.com and nowhere else.
The first tab is the processor. Two lines matter most, and they are not the same thing:
Do not panic if Core Speed keeps changing while you watch. Modern processors slow down when idle to save power and jump up under load. That movement is normal and healthy.
This tab is the identity card you will need again and again:
On a laptop this tab shows the board inside the machine — the model that the laptop maker support page actually wants, which is often more precise than the name printed on the lid.
The Memory tab answers the three RAM questions that decide upgrades:
DDR means Double Data Rate — the memory transfers data twice per cycle, so a DRAM Frequency of about 1600 MHz is DDR4-3200 working exactly as rated. Your RAM is not slow; the label and the reading are just counting differently.
SPD stands for Serial Presence Detect — a tiny chip on every RAM stick that stores its own truth. The SPD tab reads that chip, slot by slot:
This one tab ends the most common upgrade mistake: ordering RAM before knowing how many slots exist, how many are free, and which type is already inside.
The Graphics tab covers the display side:
On many laptops the Display Device Selection dropdown lists two GPUs — the integrated one inside the processor and the dedicated card. Both are real; the dedicated one is what games should use. And one line for storage, because CPU-Z does not cover it: open PowerShell and run Get-PhysicalDisk to see each drive's model, type (SSD or HDD) and health status in one table.
CPU-Z reads the hardware directly, so its answers are dependable — but a two-minute cross-check is the professional habit the video's traditional tools are good for:
Five minutes, one small tool, zero guesswork — that is the whole method. The pages linked from this guide go deeper into each single check: the 30-second About page, the full msinfo32 report, the real VRAM reading, RAM slot details, game requirement matching, and how to save all of this as a report you can send to someone.
The download, the install, and what to read in the CPU, Mainboard, Memory, SPD and Graphics tabs — shown live in the full video.
▶️ Watch Full VideoYes. CPU-Z is a free tool from CPUID, available at cpuid.com, and a version also exists for Android. It only reads information from your hardware — it does not change any setting, so it is safe on a new or office machine. The only safety rule is the source: download it from the official CPUID website, because other sites sometimes bundle extra software with it.
No — this is the most common misunderstanding with this tool. The Memory tab shows DRAM Frequency, and DDR memory transfers data twice per cycle (DDR means Double Data Rate). A reading of about 1600 MHz therefore means your memory is running at its full DDR4-3200 rating. The SPD tab also shows the rated Max Bandwidth of each stick, which you can compare directly with the box.
No. CPU-Z shows core speed, voltage and cache details, but it does not display temperatures. For temperature readings, use HWMonitor — a free tool from the same makers, CPUID — or your motherboard or laptop maker's own monitoring software.