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CPU vs GPU rendering

What’s the difference between CPU vs GPU rendering?

Processing graphics for VFX, CG, 3D, AR, VR, and other types media, there are two options: CPU and GPU rendering. It’s commonly thought that GPU rendering is faster than CPU rendering. In reality, it’s not about the speed; it’s about what’s better for the task at hand. Depending on the program you use, rendering process is handled either by your CPU (Central Processing Unit) or GPU (Graphics Processing Unit) – or both if you use hybrid rendering.

The use of CPU and GPU rendering depends entirely on the your rendering needs. For example, the architectural industry may benefit more from traditional CPU rendering, which takes longer, but generally generates higher quality images. If your work involves VR or AR, you might need the extra speed provided by GPU processing as it’ll able to keep up with the constantly shifting and updating rendering as the player turns and moves through the digital space. Between the two, CPU rendering is considered as the traditional renderer, though.

Advantages of CPU rendering:

  • CPU is the most suitable for handling complex tasks, such as 3D scene modelling and lighting.
  • CPUs are stable and all about precision.
  • No need for expensive graphics card.
  • Adding more workstations is much easier with a CPU renderer.

Adantages GPU rendering:

  • GPU rendering can be about 50 to 100 times faster than CPU rendering. Even a single GPU rendered can outperform 5 to 20 CPUs.
  • GPUs consume less power.
  • They are the best option for graphic intensive rendering such as game creation, 3D visualization, deep machine reading, and big data processing.

© Octane Render / Showcase

Which one is better for you?

This is not as straightforward as it looks. Firstly, it depends on the software you’re using. For example Octane Render focuses on GPU and Autodesk’s Arnold is mainly used for CPU rendering. Secondly, GPU rendering has its own advantages, so both CPU renderers and GPU renderers are perfect for their specific tasks.

With Aura Computing you can speed up both CPU and GPU rendering. We provide our high-performance render farm to help you complete even the most demanding rendering projects.

We have a dedicated private network, servers, and render storage. Our professional and dedicated customer service & technical support team is waiting for you! You can take your rendering projects to new heights with a suitable render farm.

If you’re still unsure what cloud rendering service to choose, try our free demo.

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CPU & GPU Cores


Supported Softwares

Softwares for CPU and GPU rendering


  • Blender
  • LuxRender
  • Maxwell Render
  • V-Ray
  • RenderMan
  • Arnold
  • Mental Ray
  • KeyShot


  • Octane Renderer
  • Redshift Engine
  • ProPrender Engine
  • Arion
  • Arnold
  • FurryBall
  • Iray
  • Redshift
  • V-Ray

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