Computer

AMD Ryzen 7 5800X3D does not perform as expected, what is the reason?

There is no doubt that AMD underestimated the capabilities of the Intel Core 12. The signs of it? They are obvious and it is that, on the one hand, we have the sudden price drops and on the other hand the new models. Among them, the AMD Ryzen 7 5800X3D stands out, which they have already tested in its final version. Does it live up to expectations?

For those of us who have knowledge of computer architecture, we know that there is a problem that is the coconut food of all experts in the field. Which? The enormous latency between RAM and the processor itself, which causes the execution of instructions to be slower than normal. The solution? The cache, but this has always been limited in size.

The solution that AMD has put on top? Well, by now we all know it, placing a SRAM memory chip, V-Cache, on top of its processors, as is the case with the AMD Ryzen 7 5800X3D, to increase performance with a simple increase in the amount of cache memory last level. This makes the instructions execute in less time than in the standard model. Although the key question is: how much is the advantage?

This is performance of the AMD Ryzen 7 5800X3D

At the moment there is an embargo of almost two weeks for most media when talking about the new AMD processor, but this has not affected the Peruvian media XanxoGaming, who have been able to get an AMD Ryzen 7 5800X3D to put it to the test . And it is very important to know what the performance of the products is without the marketing department behind it, inflating numbers and creating a narrative in favor of the product they are trying to sell us. And no, we are not talking about the processor being bad, but about always having data from different sources to be able to contrast better.

Before going to the topic of performance, let’s remember that it is the AMD Ryzen 7 5800X3D, it is a 8 core processor based on the zen 3 architecture to which have been added Additional 64 MB of L3 cache. According to AMD, this improves the speed of the processor, the instructions it executes per second, by an average of 15% when running games. However, we find that measuring its performance through synthetic tests or better known as benchmarks is not always completely reliable.

And it is that if we are guided by the results obtained, then our conclusion is that the new AMD processor is inferior to that of a Ryzen 7 5800X without the V-Cache when obtaining in CPU-Z a result of 617 points in the test for a CPU-Z single core and 6505.6 in the multi-core test. Instead, in the equivalent tests on Geekbench the results are 1639 points and 10498 points.

What are these results due to?

This is due to the fact that since certain synthetic tests usually execute very small code, which fits in the cache memory found in the processor. This makes the advantage of using V-Cache negligible on these. What’s more, the poorer performance of the Ryzen 7 5800X3D is due to the fact that the processor has to run at a lower clock speed to avoid thermal throttling from having the two chips so close together.

AMD Ryzen 7 5800X3D Blender

If we look at other benchmarks that run from RAM, such as the one that includes the Blender modeler, then we will see what the Ryzen 7 5800X3D’s performance advantage is, and that is that it has an advantage between 3.1% and 11%. in performance. What’s more, let’s not forget that 99.9% of the applications on our PC will be executed from RAM. So yes, we are going to appreciate an improvement in performance and we are facing a case in which synthetic benchmarks fail when measuring the performance of a processor.

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