Questions tagged [hardware]

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

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22
votes
3answers
42k 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, ...
8
votes
1answer
10k 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 ...
1
vote
1answer
817 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 ...
3
votes
1answer
29k 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 ...
5
votes
1answer
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 ...
3
votes
2answers
10k 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. ...
20
votes
5answers
8k 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 ...
10
votes
3answers
14k 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 ...
0
votes
1answer
384 views

Supported GPU's not showing

I currently have 2 R9 280's and according to blender all GPU's with the new OpenGL and GCN 1ste gen are supported. But in blender 2.79 and 2.82 I can't seem to use it in any way. I know AMD is not ...
9
votes
3answers
13k 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 ...
2
votes
1answer
681 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 ...
2
votes
2answers
7k 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 ...
2
votes
2answers
878 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. ...
2
votes
4answers
9k 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 ...
1
vote
1answer
204 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 ...
1
vote
1answer
405 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, ...
1
vote
0answers
2k views

Feasibility of Raspberry Pi 4 render farm [duplicate]

With the recent release of the raspberry pi 4, you can now get a model with 4 gigs of ram as opposed to the old 1 gig and quad core 1.5ghz processor as opposed to a quad core 1.2ghz processor. I've ...
0
votes
2answers
955 views

Using Blender on a Computer in another room

So the situation is that I have a PC in a room in my house and I would like to be able to use that PC whilst I'm in another room, bear with me, as I have just started a family and don't want to be ...
-1
votes
1answer
6k views

Should i buy a better CPU or GPU? [closed]

i'm going to buy a new system mainly for blender, and i'd like to know should i spend more money on the GPU or the CPU? the current 2 setups would be: i7-5820k (6 cores) + 2*GTX980 (double monitor) ...