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Stress My GPU beta

Please choose whether you want to stress test or benchmark your GPU (or CPU):

Warning: Your browser doesn't support running GPU code in the background. Stopping / cancelling the "GPU" and "CPU & GPU (simultaneously)" stress tests may require you to close your browser window (and not just this tab).

I want to stress test my:

(warning: your computer, browser and other applications may lag, freeze or crash during the stress test. Make sure to save any important work before proceeding)

Warning: Your browser doesn't support running GPU code in the background. Running the GPU benchmark may freeze your browser until the benchmark has finished.

I want to benchmark my:

(note: your computer may lag or freeze while the benchmark is running)

Running stress test

Type:

Status:

Time elapsed:

Running benchmark

(please close down all other applications and keep this tab focused for accurate results)

Type:

Status:

Time elapsed:

Progress:

Disclaimer: The data below is user submitted and isn't checked or validated by "Stress My GPU". Only trust these results if you trust the person who shared them with you.

CPU benchmark results:

CPU score:

(calculations / µs)
Single thread score:
(calculations / µs)
Browser:
Total time elapsed:
OS:

Share these results:

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Disclaimer: The data below is user submitted and isn't checked or validated by "Stress My GPU". Only trust these results if you trust the person who shared them with you.

GPU benchmark results:

GPU score:

(calculations / µs)
Total time elapsed:
GPU:
Browser:
OS:

Share these results:

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What is "Stress my GPU"?

"Stress My GPU" is a free online GPU (and CPU) stress testing and benchmarking tool. It's web-based (using JavaScript and WebGL), meaning there's no installation or downloading needed. I made this since I couldn't find any GPU stress testing software that ran in the browser, without any plugins or executables.

What is this tool useful for?

The stress testing tool can be useful for checking whether an overclocked GPU is running stable over a longer period of time (a.k.a. without crashing / blue screening your operating system) and to see how your GPU, CPU and PC handle thermal loads (as in their ability to cool themselves while running at peak performance). If you really want to test your computer's fans (or just use your PC as a really expensive heater), you can even stress test the GPU and CPU at the same time.

The benchmarking tool can be used to measure a GPU's (and CPU's) performance relative to other devices as well as for detecting performance degradation due to inadequate cooling or hardware malfunctions. Since the benchmark measures your GPU's or CPU's ability to do highly parallelizable math calculations, it could be useful for quickly comparing the performance of running similar workloads (e.g. GPU-based cryptocurrency mining) between different devices.

Does the stress test have any limitations?

Since "Stress My GPU" is web-based, it's restricted to what the browser you're using thinks is OK for a regular website to do. So while the stress test can indeed max out your GPU's processing utilization, it has limited ability in pushing every single part of your GPU to its maximum limit all throughout the stress test. Due to the aforementioned restrictions, testing multiple devices would require you to run "Stress My GPU" on multiple browsers, each of them using a different GPU (or CPU).

What about the benchmarking tool?

The benchmarking tool faces the same restrictions imposed by browsers that the stress testing tool does. In addition, different browsers may be better or worse at running the benchmark's code and as such yield higher or lower scores with the same GPU (or CPU). Furthermore, the tool is focused at measuring the performance of a very specific highly parallelizable math computation. Said computation workload is also synthetic (meaning it's not necessarily indicative of real world workloads). So if you're serious about measuring the performance of your devices, this application shouldn't be treated as the be-all-end-all source of truth but as a quick indicator used as part of a larger benchmarking effort.

Where do I send my suggestions / requests / bug reports?

I'm on Twitter (@mprep_btc). If you don't use Twitter, I'm also on a number of other platforms as well (click here for the contact links).