Questions tagged [gpu]

A graphics processing unit (GPU) is a specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate the rendering or output images.

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Viewport render freezing, Task Manager won't quit Blender

Blender randomly freezes when I move the camera in viewport render mode (Cycles). Viewport turns grey and even Task Manager -> End Task cannot close Blender after this happens. To close Blender, I ...
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Why can't I use “GeForce 9500 GT” for GPU rendering with Cycles?

So I have an "NVIDIA GeForce 9500 GT" GPU and I have installed CUDA so the viewport of the blender is working with this GPU, but when I try to use it for GPU Computing (GPU Rendering with Cycles), ...
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Copy channels from one image to another using GPU

I need a Python script to copy a channel of one image to the alpha channel of another. I already created one, but it uses the approach of copying from one image pixel array to the other: ...
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Blender 2.82, two GPU but only one render in Cycle

I'm not sure is this should be like that but, I have two GTX 970 graphic cards...and when I try to render something in cycles, I've notice that only one GPU works about 30-40 % and second one stays on ...
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Rendering crash with new gpu (rtx 2070 super)

So I changed my graphics card from gtx 1060 6gb to rtx 2070 8gb super. I have the exactly same scene and options. I'm start rendering and after 30min or sometimes less blender randomly close itself ...
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Blender gpu rendering uses one thread [duplicate]

I have a Nvidia GeForce GT 740M gpu with 384 cores with driver version 430 installed in ubuntu 18.04 but while rendering , blender spawns only on thread so rendering on gpu is much slower than CPU ...
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Crashing or very slow rendering

I have recently started using Blender 2.8 after using 2.79 for some time. I used to render everything alright, but now, I changed from my old laptop to the new PC. So, I am using the scene with the ...
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Blender 2.8 uses CPU rather than GPU, contradicting with settings

Even though my settings are set to use the GTX1070, my CPU activity is still 100% while rendering. Can anyone explain how this comes, and/or tell me how to fix this so Blender will (almost solely) use ...
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rendering with a graphics card

Actually i want to change my render engine . When using Cycles i want to render on my graphics card (Radeon), but it is shown in OpenCL and not in CUDA as shown in the picture above. Is it ok to ...
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GPU renders colours differently than CPU

When rendering a scene, the colours look very different when rendering using the GPU (NVIDIA GeForce GTX 680) vs. rendering using the CPU. There is a lot more red and the other colours look a lot more ...
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Blender 2.81 render not using all GPUs

I have 2 Nvidia GTX Titan Black graphics cards in my machine, but Blender keeps using only one of them. I have them both checked in the Preferences > System > CUDA tab but when I render and take a ...
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CPU and GPU - does CPU work with or alongside the GPU?

I'm new to Blender and am trying to understand how Blender uses the CPU and GPU? I have a budget CPU with 4 cores/8 threads (AMD Ryzen 5 3400G). When I started looking into making some 3D animation I ...
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2080 TI staying below 35°C rendering in Cycles. Why?

So I just finished a 24 hour render of a smoke simulation in cycles using Optix with my 2080 TI and I’ve been noticing that my GPU never passes 35°C. I feel like that’s very cool and that I’m not ...
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Is it worth running Linux on my Mac to use the built in AMD graphics card?

Is it worth running Linux on my Mac to use the built in AMD graphics card with Blender? Right now I'm only using cpu and it takes a very long time for high poly rendering. Would it work to partition ...
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My GPU does not show up in CUDA

I have been looking around on the internet for a long while now, and I haven't gotten any info about this problem. I have a NVIDIA GeForce GT 710 in my computer, but when I try to use it for cycles ...
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Render problem with GPU compute RX480

It seems that I have a problem with my rendering with cycles : When I select GPU Compute, rendering becomes very laggy, everything is delayed, it's not possible to work with, also on basics scenes. ...
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Crash when selecting GPU or clicking System in settings with RX5700XT

Blender was working fine for me recently, but now I'm observing a problem. Blender 2.81a and 2.79 seem to have the same issue. using cycles I get a crash as soon as I select GPU from the list of ...
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Performance issues on Cycles OptiX (GeForce RTX 2060)

I have recently bought a laptop with Nvidia GeForce RTX 2060 and Intel i7-9750H. I immediately updated drivers and tried running a simple test rendering and I used to get these results: CPU: 3 ...
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AMD Radeon R5 M330 is not listed in Blender Preferences

my AMD Radeon R5 M330 GPU is not listed in the Blender preferences. I'm using windows 10, intel core i3, 8GB RAM, 2.0 GHz Processor, and 2GB Graphics Card(AMD). And I'm using Blender 2.81a.
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3 Video cards diferent technologies [duplicate]

Does anyone know If Blender Cycles would run properly if the machine mixes 3 differets video cards (Nvidia) with different technologies. Titan RTX turing + Titan X maxwel + GtX1080 TI pascal. Any ...
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RTX 2070 I can't open Blender

I've installed another GPU card RTX 2070 in the second PCIex16 motherboard slot. Not a SLI connection. Both cards were previously installed in this machine separately with the drivers updated for both....
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is the AMD Radeon HD 5700 card supported?

I have a graphic card AMD Radeon HD 5700. Is this card is supported in Blender 2.81? I cant find the answer.
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Can not run Blender with optirun. [Manjaro 18.1.5]

Good Morning all, I am not able to run Blender with optirun. However I do have all drivers installed, bumblebee etc.. I am able to run optirun with all the other applications, glxgears, firefox or ...
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2 x 1080Ti vs 1 x 2080Ti. So much difference?

This is my first post and new to blender, was following Blenderguru’s tutorial. I noticed that his quality in viewport rendered mode, is far superior than mine. Sharp shadows and the highlights are ...
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Can I combine my GTX 980Ti with another card like GTX 1660? [duplicate]

I have a GTX 980Ti and I'm looking for a lower end card to pair it with (like 1660 or 1070). Is this possible and what kind of AMD motherboard do you suggest for this?
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Has anyone managed to GPU cycles render with HD7770 in Debian or another disro?

HD7770 is mid-Range, southern island, Cape Verde XT, GCN 1. It is an old card according to Blender thus not eligible for GPU cycles rendering. Specific instructions are needed to get this working not ...
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Is it possible to render a movie on a single computer in blender?

Is it possible to render a fairly graphical movie on a decent gaming-computer, with a GTX graphics-card, 4 2 GHz core CPU and 8 GB of RAM, or do you need to have a gigantic rendering-farm like Disney? ...
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Blender 2.81a crashes while trying to render 2.8 file with Radeon ProRender

I had a Nvidia GT 1030 graphics card 2 Months Ago. Back at that time I followed a BlenderGuru tutorial to make a donut. I could render it perfectly. Let's just call that file Donut.blend https://...
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Mac mini GPU for blender 2.81 [duplicate]

Can I use GeForce RTX 2070 with Sonnet eGFX Breakaway Box 650 for mac mini 2018 and blender 2.81
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Render causes CUDA to crash

I’m currently trying to animate a rigged 3D skeleton with animations from Mixamo. I have a setup with 2 NVIDIA 1080 Ti GPUs. I have CUDA installed and the latest drivers tested (i.e. Blender can ...
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In what situations/workflows/tasks do I benefit using a good GPU?

Simple question, I'm sure there are experts in this forum who can answer: in what situations/workflows/tasks do I benefit using a good GPU? Is it only at rendering or it also in live 3d viewport using ...
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Blender Can't Find GPU

I have 2 NVIDIA GTX 1080 Tis with updated drivers and CUDA installed. I’m currently trying to render my scene in Blender 2.81 (though this happens on other versions of Blender as well) on Ubuntu 18....
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Blender still using CPU even when I have CUDA chosen in preferences? [duplicate]

The problem is as title suggests, I selected CUDA and checked my GPU in preferences for the Cycles Render Device see here. But when I'm running my render, the CPU usage is anywhere from 88-99% and the ...
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Opengl Gpu module import error's

In Blender2.79 (Windows10/64bit-Exe application) On running the sample Opengl/Gpu script - 3D Lines with Single Color on a Gpu which supports Opengl 3.1,Blender doesn't recognise the builtin Opengl ...
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Blender 2.8 No compatible GPUs found for path tracing

I was having this problem where my blender 2.8 didn't recognize my GPU driver. I have a AMD RX 580 and my operating system is Ubuntu 18.04. For those who have this same problem I will post it as an ...
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Blender stops cycles render (GPU) when trying to use back facing transparent nodes

I have a wierd problem when i try to use a nodesetup to make faces transparent when facing them. It seems to work with cpu rendering but as soon as i switch to gpu rendering it works for a short while ...
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I have changed the rendering to the gpu but blender keeps doing it with the cpu

Hello as I said in the title, i changed the rendering to my gpu because is better than my cpu, but for some reason, when i open the task manager it turns out that blender is using 100% of the CPU and ...
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2.81a Crashing on Mac Pro with Nvidia GTX 680

i begin to use Blender now, and i'm a totally newbie. i Startet with basics with Tutorials, and already i have problem. I installed by scrach a Mac Pro 2010 and i bought a Nvidia GTX 680 Mac Editon. ...
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GPU rendering on the latest MacBook 16' [duplicate]

I've recently gotten the latest MacBook, the new 16 inch with a AMD Radeon Pro 5500M with 8GB of GDDR6 memory. No GPU is showing up in settings under the OpenCL ...
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Volumetrics - Different results GPU vs CPU

Hey fellow Blendy people, I'm running some benchmark comparisons between various render engines involving a lot of small, simple scenes. Anyway, on my test scene for volumetrics, I'm noticing a ...
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cpu vs gpu render times

I recently built a fairly powerful pc that includes an i9 with 28 threads. It was so fast that I decided to not also invest in a state of the art video card. However, I recently bought an RTX2070 (8G)...
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Help with GPU Shader Drawing?

So I am trying to make a custom brush size similar to Sculpt mode: This is for visualizing the Brush Proximity for an object with Dynamic Paint modifier. I have this example which draws a rectangle ...
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Blender 2.81 with Nvidia Quadro 2000m

I recently installed Blender - the latest update. Never before used this software. I have a relative old PC, HP 8560w with a quadro 2000m graphic card. My first problem was an error with "no open GL" ...
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Cycles 2.81a not detecting my R9 270 as a rendering device [duplicate]

I searched for this problem already, and it seems people were having the same issue with older versions of blender. Is this card no longer supported by blender?
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Which is better multiple weak GPUs or a single strong one?

Assuming all GPUs have the same vram Does having multiple older GTX cards out perform a new single strong RTX card?
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How much performance boost does higher multi-render gpu give?

I'm trying to decide between GeForce 1660 super and 1650 super for budget reasons. I'll be using blender for animation, and most likely not high in polygons. gpu.userbenchmark site shows that 1660 ...
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GPU along with CPU rendering performance

Blender 2.8 has a user preference of using GPU and CPU simultaneously during rendering. So, when a scene is getting rendered using this preference and 4 threads: Is it true that during the beginning ...
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My laptop is crashing througth renders, is my graphic card too old?

Hi (forgive my bad English), I have a HP Zbook i7, with a Nvidia Quadro K2100M. I use Blender (2.81) mainly to render clean mesh objects with some basic texture and hdri ligthing so I can have some ...
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OptiX Tile Size and Render Times

OptiX rendering, to my knowledge, uses the RT cores in the Turing architecture cards like my 2060. How does tile size affect the render speed? As far as I know the general rule is to increase tile ...

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