
Open Hardware Monitor
MSI Afterburner
FPS Monitor
AgaueEye
MangoHUD
CPU-Z
Speccy
Open Capture and Analytics Tool. If you want to know how well a game is performing on your machine in real-time with low overhead. It supports all major APIs on Windows – Direct3D® 11, 12 and Vulkan® – and can show an in-game overlay

Instant visual diffing between websites

Which is more popular?
Based on our record, OCAT seems to be more popular. It has been mentioned 4 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | gpuopen.com | diffee.me |
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What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
Walkthroughs and reviews on video.
OCAT Makes Benchmarking PC Games So Easy
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Mr. Diffee Reviews The Tattooed Sales Guy
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using OCAT and Diffee. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


The Open Capture and Analytics Tool (OCAT) for D3D11, D3D12, and Vulkan provides an FPS overlay and performance assessment – GPUOpen-Tools/ocat. For simplicity of use, users can assign hotkeys that display various...
However, OCAT does not have a user friendly interface like Nzxt CAM, but it is easy to find any information. The in-game overlay OCAT feature can display information in multiple locations on your computer screen based...
We have no reviews of Diffee yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


If you want free, easy benchmarking for DCS VR with super-useful information, you can use OCAT which will give you a frametime in average, 95th and 99th percentiles in a simple spreadsheet. Thanks for the super interesting benchmark! (=. Source: almost 4 years ago
If you want to record VR frametimes, OCAT. If you just want framerates (min/max/avg) and percentiles (99th/90th/etc), Nvidia FrameView. Source: almost 5 years ago
Benchmarking games with no dedicated benchmark is a little weird, but you can get the statistics via CapFrameX or MSI Afterburner or OCAT or FCAT. Source: almost 5 years ago
Tracking Diffee since Mar 2021.
When comparing OCAT and Diffee, you can also consider the following products.

Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.
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Tool to manage video cards. Shows video card stats (temp, GPU usage, etc.).
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FPS Monitor tracks your PC's hardware state and displays this information as an overlay in-game.
Compare FPS Monitor to OCAT or Diffee:

AgaueEye is a hardware monitor with in-game overlay tools(FPS) for Windows, with AgaueEye, you can...
Compare AgaueEye to OCAT or Diffee:

Collects and logs details about game performance in games using OpenGL/Vulkan. Can display live statistics in overlay.
Compare MangoHUD to OCAT or Diffee:

CPU-Z is a freeware that gathers information on some of the main devices of your system : Processor name and number, codename, process, package, cache levels.
Compare CPU-Z to OCAT or Diffee: