V-Ray GPU Settings - V-Ray for Maya (2023)

content of page×

  • Overview
  • Supported hardware and drivers
  • Choose which devices to use for rendering
  • Balancing the GPU load
  • Hybrid rendering with CPU and the CUDA engine
  • image sampler
    • Progressive
    • Bucket
  • References

This page will help you configure rendering for GPU V-Ray. For help with common questions, see thefrequent questionspage.


V-Ray GPU rendering performs ray tracing calculations on the GPU devices installed in the system instead of the CPU. Because GPUs are specifically designed for massively parallel computations, they can speed up the rendering process by an order of magnitude.

To enable GPU rendering, select theV-ray GPUengine like therendererNovirtual beam guidedoMaya render settingswindow. Also, you can enableRTXAcceleration for NVIDIA RTX GPUs. You can use it with Progressive and Bucket Sampler types.

Supported hardware and drivers

The V-Ray GPU renders with NVIDIA CUDA and RTX platforms.

Below is a list of the tests we performed and the results:

  • nvidia– When the engine is configured for GPU V-Ray (with RTX disabled), the CUDA platform is used. It is only compatible with 64-bit versions of V-Ray for NVIDIA cards based on Maxwell, Pascal, Turing or Volta. To seehereif your card has the minimum computing power required.
  • NVIDIA RTXWhen the engine is set to V-Ray GPU with RTX enabled, the V-Ray GPU uses RT cores on NVIDIA RTX GPUs.
  • Hybrid rendering (running CUDA on GPU and CPU):As of V-Ray 3.6, V-Ray CUDA GPU rendering can run on NVIDIA CPUs and GPUs at the same time. WearingoSelect devices for V-Ray GPU renderingyou can enable your CPUs as CUDA devices and allow CUDA code to combine your CPUs and GPUs to use all available resources.

V-Ray GPU supports rendering on multiple GPUs. See the sections below on how to choose devices to run GPU IPR.

(Video) V-Ray GPU Next for Maya – Tutorial: GPU workflow

V-Ray GPU requires compatible GPU devices to render.

When rendering, the Maya output window and the VFB log panel provide information about the current driver version. If your driver does not support V-Ray GPU, you will find a message with the recommended driver version.

OGPU V-Ray no site Chaos pagealways lists the latest recommended driver.

to useENLACE NVen hardware compatible,ENLACE NVdeviceshe mustbe defined forTCCform.This is recommended for Pascal, Volta and Turning based Quadro models. For GeForce RTX cards, an SLI setup is sufficient. Also note that to avoid performance degradation, not all data is shared between devices.

GPU rendering on macOS devices is no longer supported. GPU options are hidden in the user interface, but can be retrieved using the following environment variable:VRAY_MAC_GPU.enable thisenvironmental variableIt's at your own risk!

Choose which devices to use for rendering

You may not want to use all available GPU devices for rendering, especially if you have multiple GPUs and want to leave one of them free to work in the UI, or you may want to mix your CPU and GPU (seehybrid representationsection below).

To do this, you can use theSelection of processing devicein the UI or search for the tool:

for windows:vray_gpu_device_selectfrom this location:C:\Program Files\Chaos Group\V-Ray\Maya 20xx for x64\maya_vray\bin(where20xxis the mayan version).The tool is also inMenu Start>Select devices for GPU rendering.

for linux: to startvray_gpu_device_selectfrom this location:/usr/ChaosGroup/V-Ray/Maya20nn-64/vray/bin(where20 nnis the mayan version)

The tool keeps track of which GPUs are involved in rendering and noise removal. You can also set a low worker thread priority for each of them.

Motor- Toggle betweenCUDA,RTXmieliminate noiseengine, so you can select which devices will be used based on the engine. If none of the devices are selected for a used engine, the most optimized options will be used by default.

low priority– This option is visible only if the renderer is configured toCUDA or RTX. When enabled, V-Ray tries to decrease the use of GPUs that work on displaying graphics on monitors to give them more resources to complete other processes and tasks for the operating system. This is done by using a smaller value forRay beam sizefor GPUs with attached displays (Radius per pixel remains the same for all GPUs). This can affect overall performance and may reduce rendering speed. It is recommended to use a separate GPU for the display if possible.

After changing the options, you must restart Maya and/or any standalone DR servers (if any are running) for the changes to take effect. If the standalone DR server is running as a service, it may need to be restarted.

V-Ray GPU Settings - V-Ray for Maya (1)

(Video) V-Ray 6 for Maya — Optimizing scenes for faster rendering with V-Ray Profiler

For help choosing GPU devices with MEL, see thevray gpuDeviceSelectpage.

Balancing the GPU load

If you only have one GPU in your system, the UI may become slow and unresponsive while the IPR is being processed on the GPU. To alleviate this problem, reduce therays per pixelI theRay beam sizeparameters in the Performance section of the IPR Renderer Settings in the Maya Render Settings dialog. For example, you can try values ​​like64/1o32/1.This will split the data passed to the GPU into smaller pieces so that UI requests can be processed faster. However, keep in mind that this will reduce rendering speed. Turn on the statistics display to check the difference in rendering speed and find the optimal settings for your system.

(Video) V-Ray 6 for Maya and Basic Lighting and Camera Settings for Maya 2023

Hybrid rendering with CPU and the CUDA engine

As of version 3.60, the V-Ray GPU can perform hybrid rendering with the CUDA engine using NVIDIA CPUs and GPUs. V-Ray can now run the CUDA source on the CPU, just as if the CPU were another CUDA device. To enable hybrid rendering mode, simply enable theC++/CPUdevice from the GPU device list.

Hybrid rendering mode does not require any special drivers. Also, you can use the CPU as a CUDA device even if you don't have an NVIDIA GPU or NVIDIA drivers installed. That is, this mode can be used on computers that do not even have a GPU. The hybrid rendering engine running on a CPUsupports the same featureslike a normal CUDA GPU V-Ray engine or similar.

image sampler

Starting with V-Ray 6, a V-Ray GPUimage sampleris controlled by thesample limitmiPer-pixel radius options, instead of the previousmin.mimaximum subdivisions. This separates the Image Sampler settings from thev-ray rendererIt's inV-Ray GPU processor.

Switching from one rendering engine to another will adjust themin.mimaximum subdivisionsor thesample limitmirays per pixelparameters to the corresponding values, so that the noise levels remain the same.


sample limit– Determines the maximum number of samples that each pixel of the image receives. V-Ray performs adaptive sampling on the image, trying to place more samples in areas with more noise. If the sample limit is set to 0, V-Ray renders with the default value of 2500.

noise limit– The desired level of noise in the image. If it is 0.0, the entire image is sampled uniformly untilsample limitif you reach themax rendering timeis reached.

max rendering time (min)– The maximum rendering time in minutes. When that number of minutes is reached, the renderer stops. This is the rendering time for the entire frame; includes any previous GI passes. If it is 0,0, the rendering has no time limit.

(Video) How to Speed VRay Render | All About Vray Engine | Vray for SketchUp

Ray beam size– Useful for distributed rendering to control the size of the workpiece delivered to each machine. When using distributed rendering, higher values ​​can help to better utilize the CPUs on the render servers.

rays per pixel– The number of rays that are traced to each pixel during an image pass. The higher the value, the smoother the image will be from the start of the GI rendering, but interactivity may drop significantly. Increasing this value also reduces the amount of data transferred from the processing servers back to the client machine.

V-Ray GPU Settings - V-Ray for Maya (2)


sample limit– Determines the maximum number of samples that each pixel of the image receives. V-Ray performs adaptive sampling on the image, trying to place more samples in areas with more noise. If the sample limit is set to 0, V-Ray renders with the default value of 2500.

Limit– The noise threshold used to determine if a pixel needs more samples.

rays per pixel– Controls the minimum number of rays traced per pixel.

V-Ray GPU Settings - V-Ray for Maya (3)


  • The NVIDIA CUDA Developer Zone:https://developer.nvidia.com/category/zone/cuda-zone

    (Video) تعلم فيراي 6 الجديد في ربع ساعة - learn v-ray 6 TOP NEW FEATURES

  • For more information on hardware recommendations, see thehardware recommendationsarticle.


How do I set V-Ray to use GPU? ›

To enable GPU rendering, from V-Ray Asset Editor → Settings tab → Render rollout, select CUDA or RTX engine. You can use it with both Progressive and Bucket Sampler types.

How do I enable GPU rendering in Maya V-Ray? ›

To enable GPU rendering, select the V-Ray GPU engine as the Renderer in the VRay tab of the Maya Render Settings window. Additionally you can enable RTX acceleration for NVIDIA RTX GPUs. You can use it with both Progressive and Bucket Sampler types.

What is the best GPU for V-Ray rendering? ›

GeForce RTX 4090 24GB – Our go-to recommendation for most GPU rendering customers, the RTX 4090 provides the best performance in V-Ray while also having a tremendous 24GB of memory. NVIDIA RTX A5000 24GB – For those who want to stack several video cards in the same system, NVIDIA's professional GPUs are a solid option.

What GPU is best for Maya rendering? ›

Graphics Card (GPU)

This means that for a large majority of operations that you can do within Maya, you don't really need a very powerful GPU. A moderately powerful GPU like an NVIDIA RTX 3060 or AMD RX 6600 XT is more than enough to help accelerate all the GPU accelerated features.

How do I get high quality V-Ray renders? ›

In V-Ray for Sketchup, Rhino and Revit, render quality can be improved by dragging the Quality slider to a higher quality preset. and in this case slower render times are expected.

Is V-Ray GPU faster than CPU? ›

The two engines work differently and execute differently. Therefore, it is recommended to use scenes that are optimized for the specific renderer. Some scenes are expected to render faster with GPUs compared to the CPU, while others will show comparable performance results.

How do I force GPU rendering? ›

On your device, go to Settings and tap Developer Options. In the Monitoring section, select Profile GPU Rendering or Profile HWUI rendering, depending on the version of Android running on the device. In the Profile GPU Rendering dialog, choose On screen as bars to overlay the graphs on the screen of your device.

How do I turn on GPU performance mode? ›

Optimizing Computer Performance For Software And Applications
  1. Right-click on your computer's desktop and select 'NVIDIA Control Panel. ...
  2. Under Select a Task select 'Manage 3D Settings. ...
  3. Select the 'Global Settings tab' and choose 'High-performance NVIDIA processor' under the preferred graphics processor drop-down bar.

Is GPU rendering faster than CPU Maya? ›

Modern GPUs offer superior processing power and memory bandwidth than traditional CPU. In addition, GPU is more efficient when it comes to processing tasks that require multiple parallel processes. In fact, GPU rendering is about 50 to 100 times faster than CPU rendering.

Does GPU matter rendering? ›

GPU rendering uses a graphics card for rendering in place of a CPU, which can significantly speed up the rendering process as GPUs are primarily designed for quick image rendering. GPUs were introduced as a response to graphically intense applications that burdened CPUs and hindered computing performance.

How much GPU do I need for rendering? ›

Ideally, you'll have 6 GB or more of graphics card memory or more.

How much VRAM do I need for 4K rendering? ›

While 4GB of VRAM is plenty for editing 1080p footage, it is best to choose a GPU with at least 6GB of VRAM for 4K footage and our ideal would be at least 8GB. Our current favourite is the RTX 3060 as it has 12GB of VRAM and the performance is good.

How do I get high quality renders in Maya? ›

Improve render quality and speed with Maya tips
  1. Adjust scene anti-aliasing parameters.
  2. Adjust per-object anti-aliasing parameters.
  3. Reduce artifacts and flicker.
  4. Increase overall rendering speed.
  5. Conclusion.
Oct 6, 2021

How much RAM do I need for GPU rendering? ›

Generally, 16 GB may be enough for beginners doing basic 3D work. 32 GB RAM is ideal for most 3D artists or to intermediate-level artists. For the experts where large textures or complex scenes have to be rendered or when you are working on high-poly meshes 64 GB of RAM is recommended.

How much VRAM do I need for GPU rendering? ›

Depending on the complexity of the projects you're working on, the recommended average VRAM is anywhere from 6-8GB of GDDR6 and upward. But, if you have the budget to upgrade your graphics card, 10GB plus of GDDR6/6X VRAM will be more than enough to run differing workloads seamlessly.

How much RAM do I need for V-Ray? ›

RAM: Minimum 8 GB RAM, recommended 16 GB RAM. Hard Disk Space: Minimum 2GB, recommended 12GB (includes additional downloadable content.)

Is V-Ray GPU based? ›

V-Ray GPU is full-featured 3D GPU rendering software that delivers fast, photorealistic results and instant feedback while you work.

Why is V-Ray not using GPU? ›

you need to go to your settings tab and pick the GPU button then click on the 3 dots and look to see if your graphic card is showing up there , you can then pick its on or off. when on a check will show up next to name.

Which GPU is better for 3D rendering? ›

For people who do a lot of 3D graphic works, it is highly recommended to choose NVIDIA GPUs to achieve appropriate rendering speeds. Among the best GPUs include the NVIDIA RTX 3090, NVIDIA RTX 3080 Ti, NVIDIA RTX 3080, and NVIDIA RTX 3070.

Should I render on CPU or GPU? ›

Generally, GPUs will be faster than CPUs on most rendering tasks. This is because the GPU is great at handling lots of information and processing it on its thousands of cores quickly in parallel. Yes, a GPU has thousands of cores (a 3090 has over 10,000 cores), while CPUs have “only” up to 64.

How do I force high performance GPU? ›

Change your default GPU to a high-performance graphics card:
  1. Right-click anywhere on your desktop.
  2. Click NVIDIA Control Panel.
  3. On the left side, select Manage 3D Settings.
  4. Select the Global Settings tab.
  5. Change the preferred graphics processor to "High-performance NVIDIA processor."
Oct 27, 2021

Can rendering damage GPU? ›

You're not going to "damage" your GPU. What may happen is that if it is constantly over-clocked or over-used, it may wear out faster than a less-used GPU. Render however you wish, as long as your GPU can handle the amount of processing you're asking of it, then it will be fine.

What does it mean to force GPU rendering? ›

Developer Options: How to use the "Force GPU rendering" feature. This feature forces hardware-accelerated rendering for controls, making the UI faster. Not all apps or methods of rendering are compatible with this feature. Use this feature to test if your app is compatible with GPU rendering.

How do I stop my GPU from underperforming? ›

This article further explains the most common reasons your graphics card is underperforming and how to fix the problem (if it can be fixed without professional help).
  1. Install recent driver updates.
  2. Clean your computer.
  3. Upgrade the cooling system.
  4. Only run less demanding programs.
Dec 20, 2022

How do I optimize my graphics settings? ›

How to optimise your PC for gaming
  1. Turn on gaming mode. Windows is already conveniently built for gaming. ...
  2. Disable notifications. ...
  3. Turn on Hardware-accelerated GPU scheduling. ...
  4. Adjust for best performance. ...
  5. Turn off enhanced pointer precision. ...
  6. Update your drivers. ...
  7. Turn on Nvidia G-Sync. ...
  8. Set your monitor refresh rate.
Aug 20, 2022

Should I turn on high performance mode? ›

If your power plan is set to "Balanced" or "Power saver" and you're experiencing issues like audio crackles, dropouts or other negative performance issues, we recommend switching to the "High performance" power plan. It uses more energy, but should increase the performance of Live (and other CPU intensive programs).

Does having more RAM increase rendering speed? ›

One of these key tasks is rendering. As we'll see in the video below from Tek Everything, having more RAM installed greatly increases the render times for After Effects. More RAM = More Speed.

Does Maya Arnold use CPU or GPU? ›

From version 6 Autodesk Arnold is able to use both CPU and GPU rendering. CPU rendering focuses on accuracy while GPU rendering is optimised for speed.

Why is V-Ray rendering so slow? ›

The more polycount, the slower the rendering. If you are using Vray, always proxy the ones with high polycount. Don't put too many subdivisions on your shadows (as much as possible). Don't use giant resolution textures.

Should I turn on GPU rendering? ›

The primary advantage of using the GPU for rendering is performance. GPUs are usually much faster at rendering than their CPU counterparts even if there are cases where the CPU may be faster.

What is the minimum GPU for 3D rendering? ›

However, even though 8GB is the minimum requirement for 3D rendering, consider having a 16GB or a 32GB one for a better multitasking experience.

Does GPU matter for 3D rendering? ›

Unlike with CPU rendering, GPUs don't require you to purchase the most expensive computers to do high-quality work. GPU allows you to use a single 3D software for all challenging rendering areas such as glossy reflection and depth of field. Simply put, GPU allows you to create high-quality renders at a lower cost.

What CPU is best for V-Ray rendering? ›

1AMD EPYC 7T83 64-Core Processor x64117 361
2AMD Ryzen Threadripper PRO 5995WX 64-Cores x64116 661
3AMD Ryzen Threadripper 3990X 64-Core Processor x64100 552
4AMD Ryzen Threadripper 3990X 64-Core Processor x12893 256
16 more rows

What is the highest VRAM GPU? ›

What is the most powerful GPU for gaming? That would be the Nvidia GeForce RTX 3090 Ti. It has a whopping 24GB of VRAM, a base clock of 1.67GHz which can be overclocked to 1.86GHz, 2nd generation ray tracing tech, and 3rd generation tensor cores.

Does VRAM affect rendering speed? ›

When there is not enough VRAM, rendering could take more steps to complete due to extra copies & computations required. For example, if you have 1 billion spheres to render by ray-tracing, that's at least 16 GB for 32bit-precision data just for 3D position and radius.

How much VRAM is enough for 1080P? ›

at 1080p most games usually need around 4gb of vram at high settings. 1440p around 4-6 gb, 4k 6-8gb. It will require more vram in the future once all games use 4k native textures.

How do you make render look realistic? ›

7 Essential Steps to Creating Realistic Renderings
  1. Visual references - think like a photographer. ...
  2. Modeling – attention to detail never hurts. ...
  3. Blocks - invest time in them. ...
  4. Lighting - observe how it works in reality. ...
  5. Texturing - quality is everything. ...
  6. Camera and settings – find the right angle.
Jan 11, 2023

Is high render resolution good? ›

The short answer is yes. A higher rendering resolution is required for larger and more detailed renderings that show big commercial buildings (see examples) or skyscrapers (see examples). Therefore, for those intricate and detailed renderings, a higher parameter will provide a higher-quality product.

Does VRAM matter for rendering? ›

Certain levels of VRAM are necessary for modern games to run at different resolutions. For example, rendering a game at 1080p (pixel) resolution is different than rendering a game at 4K resolution, which requires more graphical memory. More VRAM is needed to successfully render an image with a high resolution.

Is 16GB RAM good for rendering? ›

Most people would struggle to use up 16GB RAM, but for creative professionals who need to render large files and use complex software, 32GB should be considered.

What happens if GPU VRAM is full? ›

Running a game that requires more video memory than your card has will result in the frame rate dropping as it's forced to use system memory to hold some of the textures, meaning it has to shift data back and to between them. Older computers wouldn't do this, with those you'd get missing textures in your games instead.

What is a good GPU memory size? ›

You need a minimum of 4 GB of graphics memory for 1080p gaming. 6 GB is ideal if you want to set texture quality to High or Ultra. For 1440p gaming, 8 GB – 12 GB is sufficient to run games at medium-high settings. 4K gaming requires at least 12 GB of VRAM for decent texture quality.

Does V-Ray use graphics card? ›

V-Ray Vision requires a Graphics card with DirectX 11 or DirectX 12 and Shader Model 5.0 capabilities.

How do I get Valorant to use my GPU? ›

Fix 1: Reinstall Your Graphics Driver

If you are experiencing Valorant low GPU usage now, it means that your graphics card is not using effectively. In this condition, you had better reinstall your graphics driver.

Does V-Ray IPR use GPU? ›

Overview. V-Ray Interactive Production Rendering (IPR) provides interactive rendering using the V-Ray and V-Ray GPU renderers.

Can V-Ray work without graphics card? ›

V-Ray Vision requires a Graphics card with DirectX 11 or DirectX 12 and Shader Model 5.0 capabilities.

Can V-Ray use 2 GPUs? ›

The GPU-accelerated version of 3Dsmax & Vray is able to utilize multiple GPUs and does so very effectively.

Can I use both CPU and GPU for rendering? ›

Rendering in computer systems is carried out by either the CPU or the GPU in the system. Sometimes, in a hybrid setup, such as with software like V-Ray, both the CPU and GPU work together to create the final output. Understanding these two types of rendering will help evaluate the differences between them.

How to fix D3D11 compatible GPU feature level 11.0 Shader Model 5.0 is required to run the engine? ›

How to Fix the “D3D11-compatible GPU” Error in Windows 11/10
  1. Install Any Available Windows Updates. ...
  2. Scan Your System Files With SFC. ...
  3. Update the Driver for Your Graphics Card. ...
  4. Repair or Update Visual C++ Redistributables on Your PC. ...
  5. Install the DirectX Runtime Libraries. ...
  6. Set Affected Games to Run With DirectX 11.
Nov 5, 2022

How do I fix low CPU and GPU usage? ›

How to Fix Low GPU Usage?
  1. Fix 1: Reinstall the Graphics Driver. ...
  2. Fix 2: Disable Third-Party Background Apps. ...
  3. Fix 3: Install the Patches on Time and Optimize the Game Settings. ...
  4. Fix 4: Update Chipset Drivers. ...
  5. Fix 5: Change In-game Settings. ...
  6. Fix 6: Avoid CPU Overheating. ...
  7. Fix 7: Decrease the Clock Rate. ...
  8. Fix 8: Reinstall the Game.
Jan 11, 2023

What is the minimum graphics card for 240Hz? ›

A 240hz g-sync monitor comes at 24" 1080p. You will need a 1080 GeForce card or a RTX 2080.


1. VRay Render Settings | Beginner's Guide To Vray For Maya
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3. V-Ray 6: NVIDIA RTX GPU-Accelerated Features
(NVIDIA Studio)
4. V-Ray GPU — Distributed Rendering Setup
5. Render Setup and real shader in V-ray 5 and maya 2022
(render in maya)
6. Introduction To Vray Next | Getting Started With Vray For Maya
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