Upgrade Capacity: If you choose dual RTX 3070s (or even 3080s) then you can’t really upgrade further without taking them out and putting in new cards, while a system with a single RTX 3090 blower card could have one or two more added in the future (assuming you planned ahead with the motherboard, chassis size, cooling, and power supply).Some rendering engines can use system memory for portions of that data, but doing so will usually have a negative impact on performance. You can also choose to submit a private score from the Submit button. You can also see if a score is already submitted to the Benchmark website and visible for other users, or is private. VRAM: Since the RTX 3070 has only 8GB of onboard memory, compared to the RTX 3090’s 24GB, it will be much more limited in terms of scene complexity and texture resolution. The results are listed under the three categories - V-Ray, V-Ray GPU CUDA and V-Ray GPU RTX.There are a couple of things to keep in mind with such comparisons, though: Since those two 3070s would cost $500 less that seems like an appealing option, and for some folks, it may indeed be viable. In every one of these benchmarks, a pair of GeForce RTX 3070 cards is able to outperform a single RTX 3090. Looking beyond raw performance, let’s talk about value. Redshift isn’t quite as good, but still very respectable with about a 95% increase in performance per additional card. Both OctaneRender and V-Ray Next ( not the older Vray) have effectively perfect scaling: two cards provide twice the performance of one card, with very slight variations that are within the margin of error. As we have seen in the past, GPU rendering scales extremely well across multiple video cards.
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