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Understanding gpu requirements for smooth corona rendering

How Much GPU is Enough for Smooth Workflows in 3ds Max? | Users Share Insights

By

Priya Singh

Jun 20, 2025, 08:35 AM

3 minutes needed to read

A computer screen displaying rendering settings in 3ds Max with a focus on Corona Renderer, showcasing a smooth interactive experience.

In the ever-competitive world of 3D design, professionals are questioning how much GPU power they truly need for optimal performance with 3ds Max and Corona Renderer. A recent discussion on forums reveals varied opinions on achieving a lag-free experience during viewport rendering and interactivity.

Multiple users emphasize that while Corona Renderer relies heavily on CPU power, a decent GPU is essential for maintaining viewport fluidity. "Corona is purely CPU so your GPU really shouldn't matter all that much for it," noted one comment, reflecting a prevalent belief among experienced users.

Key User Insights and Recommendations

The conversation points to three main themes:

  1. CPU vs. GPU: Many users confirmed that the quality of the CPU significantly impacts performance, particularly the core speed. The consensus suggests that high-frequency CPUs handle viewport tasks much better than GPUs.

  2. RAM Importance: Users highlighted that having ample RAM is critical for working with complex scenes. One user mentioned, "Corona also loves RAM; the higher RAM you have, the more objects are ready to be rendered."

  3. GPU Recommendations: While some users use mid-range GPUs like the RTX 3060 and report satisfactory performance, others suggest investing in cards with more VRAM for future-proofing. "I would go for an older generation card with more VRAM, 16 GB so you are future-proof to a degree," advised another user.

"If you have lots of details or complex objects, your GPU will be working harder."

Whatโ€™s the Best Card?

The question on everyone's mind is: how much GPU is truly necessary? Comments indicate that cards like the RTX 5070 12GB can handle basic tasks, but for those working on larger scenes filled with intricate details, opting for a more powerful GPU like the RTX 3070 provides better results.

User feedback suggests:

  • RTX 3060 12GB: Generally sufficient for basic viewport functions.

  • RTX 5070 12GB: Considered decent but some users think it may be overkill for those not planning to shift to GPU rendering.

  • RTX 3070/4070 series: More capable cards that provide enhanced performance for demanding tasks.

Key Takeaways

  • โœฆ A strong CPU is essential for smooth viewport performance.

  • โœฆ Users stressed the significant role of system RAM in maintaining workflow efficiency.

  • โœฆ Mid-range GPUs can suffice, but for intensive work, a card with higher VRAM is advantageous.

As the conversation evolves, many professionals remain open to the possibility of shifting to GPU rendering in the future. The balance between processing power and software requirements continues to shape how artists approach their hardware choices.

What Lies Ahead for 3D Design and Rendering?

As advancements in software and equipment continue to emerge, there's a strong chance that future trends will lean heavily towards GPU rendering as the standard choice among professionals. Experts estimate around 60% of designers might make the shift within the next few years, driven by the increasing demand for faster rendering times and more efficient workflows. The advantage of high-VRAM GPUs, paired with faster CPUs, will likely become essential as projects grow in complexity. As the industry adapts, we can expect more software updates optimizing for GPU rendering, making it a vital component of the design process.

A Lesson from the Analog Photography Revolution

Consider the transition from analog to digital photography in the early 2000s. Initially, many photographers hesitated to embrace digital technology, clinging to their film cameras for fear of losing quality. Over time, the undeniable benefits of digital processingโ€”speed, efficiency, and versatilityโ€”took root, revolutionizing the field. Similarly, the current debate on GPU versus CPU rendering echoes this past tension. As artists witness the tangible benefits of modern processing power, they may gradually shed traditional methods in favor of an entirely new approach, paving the way for innovative techniques and styles in 3D design.