Hi friends, I am learning 3D animation and I want to know is it so necessary to have a graphics card in my new PC build. As I was thinking to have the CPU in my starting days of learning animation and as I learn animation with the related software will go on to buy the Graphics card. I want is know is it right to do so?
Is GPU necessary for 3D work
- Thread starter kriozz07
- Start date
Mohan_27
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- Jun 2, 2017
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With the presence of a graphics card, the performance within graphical applications would be significantly better. However this is dependable on the efficiency of the card. A high end GPU can exceed the detail of 3D textures, lighting and effects while maintaining a smooth performance and possibly a low temperature.
But on the other hand a lower cost GPU can still perform the same tasks, however the performance will be restricted; this being due to its lack of memory, low speed or a high temperature (lower quality cooling).
Without a GPU can have limitations involving micro stuttering and lag, this ultimately leading to a slower system when loading and rendering graphics. Additionally, ths would add more strain and pressure onto the processor leadning to numerous issues such as throttling and possibly bottlenecking.
Well, if you plan on buying a Broadwell CPU (i5-5675C and i7-5775C), you'll get a probably somewhat usableintegrated graphics to use before you get yourself a seperate GPU. But that's an old platform, so I'd rather suggest to get a discrete graphics solution asap, on a modern platform (Ryzen/Kaby Lake/Coffee Lake).
If you plan to render with the Cycles rendere engine in Blender, a discrete GPU will definitely help A LOT. With Cycles you can do GPU rendering. If you render with the old Blender render engine, no help at all since it’s all CPU-based rendering.
Nvidia GPU models have historically performed better for Cycles rendering than AMD by using CUDA API. The release notes for The most recent Blender release (2.79) claims great improvements in OpenCL based rendering using AMD GPU models.
EDIT: Of course if you are not worried about rendering, and just modeling, discrete GPU won’t really help much.
Ryzen 7 = good choice in this case. But: Ryzen CPUs don't have integrated graphics, so you'll need a discrete graphics card from the beginning, even if it's just a 20$ office thing to be replaced quickly. If you have an old GPU lying around, take it.
It’s not a “lag” issue. The Blender Cycles rendering engine is able to use the CPU or GPU for rendering computation. When doing CPU rendering the more threads, the better so something like a Ryzen 1700x is a good choice. But that still won’t come close to how fast the same scene can be rendered in a powerful GPU like the 1080. And, as it was already pointed out, you actually need a GPU anyway with Ryzen since they don’t have an integrated GPU.
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