GPU-Z Guide: Graphics Card Parameter Detection and Sensor Monitoring Tool
GPU-Z: Verify Authenticity, Check Performance, Monitor Temperature of Your Graphics Card
One-sentence solution: Not sure if your newly purchased graphics card is genuine? Or is your GPU running hot during gaming? GPU-Z reveals all details about your graphics card.
The graphics card is one of the most valuable components in a computer, and also one of the most commonly counterfeited and most worrying when it comes to heat. There are many “re-flashed” cards (with BIOS modified to impersonate higher-end models) on the market, and high temperatures during daily use are also a common concern.
GPU-Z is designed specifically for these scenarios.
What is GPU-Z?
GPU-Z is a professional graphics card information detection and sensor monitoring tool. It can read detailed GPU parameters (GPU model, BIOS version, VRAM type and capacity), and monitor real-time sensor data including temperature, frequency, fan speed, and load percentage.
The problems it solves: Verify graphics card authenticity, monitor GPU operating status, diagnose performance issues.
Core Strengths
Authenticity Verification GPU-Z can detect the real GPU core codename, VRAM configuration, and BIOS version. Fake cards with re-flashed BIOS are exposed immediately in GPU-Z — the displayed GPU name doesn’t match the actual core, obvious at a glance.
Sensor Monitoring
- GPU temperature (real-time)
- Core frequency, memory frequency
- GPU usage (%)
- VRAM usage
- Fan speed (RPM)
- Power consumption (if supported by the card)
Other Features
- BIOS backup and viewing
- Supports NVIDIA/AMD/Intel full range of graphics cards
- Render test (verify if the GPU is functioning properly)
- Logging (save sensor data to file)
Use Cases
- Buying a used graphics card: Test on-site with GPU-Z to confirm the model is real and temperatures are normal
- Game lag troubleshooting: Check if GPU usage and temperature are abnormal during gaming
- Overclocking testing: Monitor frequency and temperature changes after overclocking
- Mining card detection: Check if the GPU core has been tampered with
Download
- Official site: https://www.cpuid.com/softwares/gpu-z.html
- Download the “Setup” installer or “Portable” version
Tip: Like CPU-Z, the portable version is recommended — just extract and run. It’s an essential tool for inspecting used graphics cards; remember to bring it when buying a card.
Quick Start
- Download and run GPU-Z
- After launch, it automatically detects the current graphics card
- The “Graphics Card” tab shows the model, process node, and BIOS
- Switch to the “Sensors” tab to view real-time temperature and frequency
- Click “Log to file” at the bottom of the sensors tab to record data
- Run a game or 3D test to observe temperature and frequency curves