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Questions tagged [hardware]

Use for questions relating to Blender's performance and usage of computer hardware.

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22 votes
3 answers
44k views

Blender 2.78 with Windows 10 lags when interacting with the UI

Update This has been confirmed resolved in a later version 376.33 and possibly the update prior. meta Okay, I recently did a computer update. I used to run Blender 2.77 on a Dell desktop (5 GB RAM, ...
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20 votes
5 answers
9k views

Why/how does tile size effect performance?

The general wisdom is "for CPU use 32x32 tiles, for GPU use 128x128 or bigger, depending on your card". But why? Why should a ...
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  • 24.3k
11 votes
3 answers
15k views

Why can't I use GPU rendering in Blender?

Why is it that Blender will only allow me to render with a CPU (GPU choice is unavailable)? Or is it until I acquire a graphics card that is specially built for such a task? The images below show a ...
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  • 121
9 votes
3 answers
19k views

Is it possible to both GPU and CPU render in the same Blender instance?

I have a Quad core CPU, that renders 4 chunks at a time. I also have a GTX 1060, which renders one chunk at a time, but renders chunks about 4x faster than the CPU. Can I use these both in the same ...
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7 votes
1 answer
13k views

Does Blender support dual-GPU rendering if the two GPUs aren't the same?

I have a GTX 1060 6GB in my current build, and I also have a GTX 960 2GB in storage. I was wondering if I got one of these PCI Express X1 to X16 Extension Adapter, and got both of my GPUs in one build ...
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5 votes
1 answer
39k views

Which Mac is suitable for Blender 2.8? [closed]

I am considering purchasing a Mac for my godson who will be using it to run Blender 2.8. I know very little about this program. All I can find are requirements for a Mac that will run earlier ...
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  • 59
5 votes
1 answer
5k views

Blender 2.8 Beta: No compatible GPUs found on iMac (2018)

I have a iMac 27" 5K 2018 with an AMD Radeon Pro 580 GPU. Blender 2.8 cannot find a compatible GPU for Cycles render engine. In Blender 2.79 my GPU worked. What do I need to do so that my graphic ...
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5 votes
1 answer
2k views

Are mining systems suitable for use as a render farm?

I recently found a motherboard that accepts up to 8 graphics cards (and therefore GPUs) directly, without the need for riser cards etc. It is marketed as a Mining computer for mining Bitcoin etc., but ...
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5 votes
1 answer
2k views

How can I view my scene using the Oculus Rift CV1 and the OpenHMD branch of Blender?

On Graphicall there's a branch called OpenHMD, which basically should enable Blender to interact with VR glasses like the Oculus Rift. I do have a CV1 (consumer version) available, as well as a DK2 (...
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  • 10.4k
5 votes
2 answers
2k views

How to use dual scroll wheel mouse in Blender?

I've seen some mice with an extra scroll wheel like the Logitech MX Revolution. Is it possible to use this in Blender? If so, what is a good use for it? I currently have a MX518 mouse, which has ...
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  • 581
4 votes
6 answers
5k views

nVidia driver causes flickering viewport background

I noticed a flickering background whenever I click a button or orbit in blender 2.8 or 2.79 It only happens when I use my NVIDIA 940mx but not when I switch to the integrated Intel 620. I can't ...
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4 votes
0 answers
130 views

Hacks for improving performance on large scenes

Hi I’m using blender mostly doing exterior architecture visualisations. Through previous months I’ve found many problems that affects this software. But the main issue is lack of performance power ...
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3 votes
1 answer
717 views

How to write a small program to use the Crayola Easy Animation Studio with Blender? [closed]

Link to more info: https://www.youtube.com/watch?v=MnX6pHC9VwE I saw the Crayola Easy Animation Studio for about $17. It would be cool to hack this to drive Blender animations. It looks to have about ...
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  • 131
3 votes
2 answers
14k views

A graphics card and driver with support for OpenGL 3.3 or higher is required error

I can't execute newest Blender 2.80, it says that I need a graphics card that supports OpenGL 3.3 or higher ...
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3 votes
2 answers
11k views

CUDA error: Out of memory in cuMemAlloc(&device_pointer, size)

My GTX 960 is reporting there there is not enough memory, even when another person the same card is able to render it fine. The other person had the same set up as I do and rendered the same scenes. ...
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3 votes
1 answer
75 views

Video editing in mediocre hardware

I was thinking of an idea to edit full HD videos in mediocre hardware. Firstly downscale entire video clips to a lower resolution eg. 640px. Edit and play around with these low res clips. Then let the ...
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  • 31
3 votes
1 answer
86 views

Eevee is not using full CPU power when compiling shader in Blender 3

I'm currently following a texturing tutorial in which I end up making a big and complex node tree. I just got a new GPU and Cycles is running like a charm with GPU acceleration. In Eevee there is a ...
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3 votes
1 answer
6k views

Should I enable both my CPU and GPU in the CUDA preferences? [closed]

I am using blender 2.8 on windows 10. I have a question about System CUDA options. There are two checkboxes one for my graphics card GeForce GTX 2060 and another option for Intel Core i7-4790 CPU @ 3....
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3 votes
2 answers
3k views

Render the same frame using multiple computers

Is there any way to use Cycles to render a frame with two computers? I have a desktop PC and a laptop, both with a GTX 1070 and I would like render the same frame having 2 tiles, each tile being a ...
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  • 33
3 votes
5 answers
7k views

GPU not showing up in Blender?

Just installed Zorin OS (a Linux distrubution) and installed Blender. I am running this Linux alongside Windows 10. So I go to the system tab in Blender and see that my GPU is not listed! Why is my ...
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  • 687
3 votes
1 answer
836 views

Viewport Performance - CPU or GPU?

Which piece of hardware affects viewport performance most (both playback and general just moving stuff)?
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3 votes
1 answer
718 views

Does (display) mean that the card is not fully utilized for Cycles rendering?

My GTX 1070 card shows as (display) in Preferences>System even though I use the integrated video for the monitor. Does the (display) designation mean that the card is not fully utilized for Cycles ...
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2 votes
4 answers
11k views

Can mining rig be used for blender rendering?

I have seen some mining rig with 6 gpu in one motherboard, can you use that for rendering? edit: http://www.coinminingrigs.com/how-to-build-a-6-gpu-mining-rig/ 1x 1200 Watt Power Supply 1x 6 GPU ...
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2 votes
3 answers
3k views

Accessing the RMB feature on a Mac laptop

Please note: I realize this question is very similar to this one but I assert that it is not a dupe because it involves specific a hardware/OS combo! More importantly, this question is really about ...
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  • 253
2 votes
3 answers
9k views

How do I pan in Blender using a Wacom 3D Pen?

I've just got a Wacom 3D pen for sculpting in blender and in the video Wacom released for the pen it shows you can navigate without using the keyboard: https://www.youtube.com/watch?v=tcIVpiK3TXw ...
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2 votes
1 answer
968 views

Geforce Gtx1070 - Supported or not?

I'm thinking of buying a new computer for 3d modelling. I read that there are/were problems with geforce gtx1070. is this still a thing or is it fixed by now?
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  • 33
2 votes
1 answer
836 views

Blender 2.8 causes all other versions to not run!

After installing 2.8 i use it for 5 min then it stops responding and crashes. I try to reopen and the console is blank and it never ends up working. All other versions of blender i have installed also ...
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2 votes
3 answers
3k views

Blender GPU rendering pcie x16 to x1 using riser cables

Do blender GPU cycles rendering, need x16 or x8 pcie lanes? Riser cables enable 6 GPUs (depending on motherboard) because its using x1 pcie lane. Will it bottleneck or not because its doing only ...
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2 votes
2 answers
28k views

What is fastest, rendering on a CPU or a GPU?

For Christmas my parents gave me a new graphic card. Even though I got a new card (R9 390), the rendering times are really slow. I am asking if I should get another card instead or perhaps its better ...
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2 votes
1 answer
62 views

Graphic card not detected when installing from flatpack or .deb

hey guys im having a bit of problem, im on pop_os! 20.04 LTS, and the blender from pop shop (both .deb and flatpack) didn't detect my graphic card, strangely, tar xz downloaded from official blender ...
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  • 21
2 votes
1 answer
530 views

Budget PC Build for Blender 2.8 [closed]

I'm planning to build a pc for Blender 2.8, mainly for cycles rendering and sculpting. Will this build be sufficient for the task and for long term use? Ryzen 7 2700 Motherboard (supports crossfire) ...
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2 votes
1 answer
256 views

Is there a way to limit the number of CPU Cores used for physics baking?

Is there a way (in Blender) to limit the number of CPU Cores used for physics baking, like you can with rendering?
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  • 457
2 votes
2 answers
1k views

Blender only renders with 20% of CPU

I introduce myself, my name is Kepa and it's my first message in the forum, I wanted to ask for help with a problem that I have when it comes to rendering via CPU. I attached image, of what I comment. ...
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2 votes
1 answer
2k views

Does CPU matter when rendering with GPU?

A bit of context: I've got two graphics cards (not in the same build, my motherboard cannot support that), a GTX 1060 and a GTX 960. I use the 1060 for most rendering and gaming and such, but the 960 ...
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2 votes
1 answer
500 views

Blender not starting

I am using Windows 10 32-Bits, and whenever I start blender I get this error message: I have tried re-starting it and also searching for the solution over the internet, but in vain, I have not found ...
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  • 123
2 votes
2 answers
140 views

Backup automatically to a hard drive

Is there a way to automatically save my blender files to my external hard drive when I work from my desktop? Like saving it to multiple file paths. Someone on the blender community did create an add ...
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2 votes
0 answers
1k views

Blender 2.8 and 3DConnexion's 3D mice

It seems that the new blender 2.8 now takes its NDOF parameters from 3DConnexion's settings via their SDK,.. and no longer configurable through preferences>input>NDOF. This is all good in that you ...
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2 votes
0 answers
32 views

Hardware used for render [duplicate]

I have some issues with renderings My CPU and GPU date from '11. Can someone give me some specs that will do the job quick and with high quality? Hope i did not bothered you with my question and am ...
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  • 132
2 votes
0 answers
83 views

Can I reduce rendering time by adapting computer hardware? [closed]

Can I reduce rendering time by adapting system requirements? And if I can, what are the things I have to consider while adapting my Computer? If I want to get output instantly withing few minutes even ...
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2 votes
1 answer
2k views

Can I use Blender on Intel HD 530 dedicating an Nvidia GPU to Cycles?

I'm trying to specify the build for a new PC, my current one is 5 years old and starting to show its age. It's going to be a multi-use machine for Gaming, Virtualisation, Coding, Blender and possibly ...
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  • 21
1 vote
1 answer
1k views

eGPU Vega 56 (Blackmagic) Mac + cycles problem

Hello I just got the AMD Radeon RX Vega 56 (blackmagic eGPU Pro) yesterday plugged it in to my brand new Mac mini (Mojave), it shows up in the menubar and as an alternative as a render engine,. My ...
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  • 153
1 vote
1 answer
310 views

Switching from Mac to PC - Questions regarding GPU-rendering

I just switched from Mac (macOS) to PC (Windows 10). Since Macs can't render with GPU, I'm new to the concept of being able to render with Cycles using a GPU. However, I have a couple of questions: ...
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1 vote
1 answer
2k views

How to limit VRAM usage for Blender?

I have a computer at home with a GTX 1060, and an i5-4460. I use this computer for most of my rendering and 3D modelling. My school issues Chromebooks, which obviously I can't use Blender on. My ...
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1 vote
1 answer
192 views

Performance impact with complex procedural materials vs image textures?

This is a topic that is somewhat important to me. Let's say I create a complex procedural material with several procedural textures. I could either leave the material as-is, or I could bake it onto a ...
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1 vote
1 answer
877 views

Unable to scroll wheel zoom with a Wacom Intuous Pro - Seems to think I'm Pressing Shift?

I'm not sure if this is an issue with my tablet drivers, or with blender. I am using a Wacom Intuous Pro with touch is enabled so you can use two fingers to scroll wheel up and down. I've been using ...
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  • 11
1 vote
1 answer
453 views

Benchmarks for choosing the right CPU

Is there any reliable benchmark resource (website?) for choosing the right CPU for Blender? I found http://blenchmark.com/cpu-benchmarks, but they seem not reliable. For example, according to them, ...
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  • 401
1 vote
1 answer
484 views

What is my PC Capable of Doing in Blender? [closed]

What is my PC Capable of Doing in Blender? Let me quickly display the stats of my current Laptop stats so you can understand what I am working with when I use Blender: HP Pavilion dv7 Notebook PC OS:...
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1 vote
1 answer
126 views

Is there a way to boost my performance manually?

When my files get around 190 MB big the performance gets slow. Especially when using dynotopology. It starts lagging and sculpting won´t work in real time. Isn´t 8GB RAM enough? Is my Mac already to ...
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1 vote
1 answer
218 views

Dream Render engine

I am using Blender to render 360 spherical stereo images for viewing with a VR headset. As you can imagine, the rendering demands are quite high and this is now beginning to limit my productivity. I ...
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1 vote
1 answer
304 views

eGPU performance on Linux

I'm looking to improve my hardware, and I have decided to invest in a GPU (like the TITAN RTX, GeForce RTX 2070 Super, or something similar). I'd like to use this as an external GPU. My question is, ...
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  • 1,493