Questions tagged [hardware]

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

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21
votes
3answers
38k 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, ...
3
votes
1answer
5k 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 bad boys, and got both of my GPUs in one build (Not SLI or CrossFire, just in ...
3
votes
2answers
7k 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. ...
17
votes
5answers
5k 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 ...
4
votes
1answer
2k 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 ...
10
votes
3answers
11k 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 ...
6
votes
3answers
5k 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 ...
1
vote
1answer
5k views

Which Mac should I buy 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 ...
1
vote
2answers
6k 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
0answers
235 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
0answers
113 views

GPU for Blender- RX 570 or Nvidia/CPU- Ryzen or Intel?

CPU I've seen that ryzen 5 3600 outperforms my other two choices i5 9600k and i5 8400 but is it issue-free with Blender like the intel ones I mentioned? GPU I've also seen that rx 570 outperforms a ...
-1
votes
1answer
4k 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) ...