Why is my Revit so slow?

Causes: Working in a Revit model involves interacting with many systems, and if any one (or more) of those systems has slow performance, the entire experience in Revit can be slowed down. … The operating system (OS updates can influence Revit performance). The system hardware (including CPU, Graphics Card, RAM etc.).

How do I make Revit run faster?

Ten Best Practices for Better Revit Performance

  1. Use elevation and section far clip. …
  2. Minimize DWG imports. …
  3. Don’t explode CAD drawings into families. …
  4. Remove unused options and views. …
  5. Eliminate unused families. …
  6. Use model lines sparingly. …
  7. Use room separation lines. …
  8. Worksets.

Why is Revit 2021 so slow?

A slow startup of Revit can have various causes, such as:



Recent Files List – files are referenced in the Revit. ini Recent Files list that may have moved to a different location. Loading of certain addins for Revit takes longer than expected. Revit needs an update.

How do I optimize a Revit model?

Minimize unnecessary geometry, views, and elements when designing your model. Use linked or imported files sparingly when you design your model. Configure project views to optimize revit performance. Use worksets to work on smaller sections of the project model.

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How much RAM do I need for Revit?

As a general rule, Revit requires 20 times the RAM of the loaded Revit (RVT) project file. So a 200MB RVT file requires approximately 4GB1 of RAM to open. Add to this the RAM needed to run the operating system and to keep other applications like a web browser open.

What to do if Revit is not responding?

To resolve this issue, perform the following strategies:

  1. Disable any third party add-ins and retest: How to disable add-ins for Revit.
  2. Turn Worksharing Frequency to manual in Revit options.

Why is Revit not opening?

Check that Antivirus is not blocking (see that Trend Micro Antivirus is blocking Revit). … Reset Revit Settings. Install the latest updates using the Autodesk Desktop App. Update the graphics card driver using the Certified Graphics Hardware page.

What is a Revit Server Accelerator?

Revit Personal Accelerator (PAC) is a component of Revit designed to optimize performance when working on Cloud Worksharing Revit projects.

What does compacting a Revit model do?

Compact File.



During a normal save, Revit only writes new and changed elements to the existing files. … The compacting process rewrites the entire file and removes obsolete parts to save space. Because it takes more time than a normal save, use the compact option when the workflow can be interrupted.

How do I allocate more RAM to Revit?

In the Performance Options dialog, click the Advanced tab. On the Advanced tab, under Virtual Memory, click Change. In the Virtual Memory dialog, change the Initial and Max values to 8184 (2 * 4GB) for a 4GB machine. Click Set.

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Is i5 good for Revit?

Students will be okay with pretty much any Intel Core i5 or any CPU above 3GHz. Rendering has always been a multi-core dependent task in virtually any software out there. … If you are a student opt for Intel Core i5 8th gen (U series) or Core i7 7th gen HQ (quad core) processors.

What specs do I need for Revit?

Autodesk Revit 2021 Product Line System Requirements and Recommendations

Revit Server 2021
CPU Type 4+ cores 2.6 GHz+ 6+ cores 3.0 GHz+
<100 Concurrent Users (multiple models) Minimum Performance
Memory 8 GB RAM 32 GB RAM
Hard Drive 7,200+ RPM 15,000+ RPM

Can Revit run on Windows 10 home?

Thanks for your answer. It does run! Thanks for your answer, barthbradley. I’ve installed Revit LT on Windows 10 Home Edition and it works fine.

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