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AMD Ryzen Threadripper PRO 5995WX Box

£9.9£99Clearance
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Both Intel processors fared much worse in the Calculix (FEA) test, where the Threadripper Pro 5995WX took a substantial lead. We run these synthetic gaming tests as part of our main application test script. We use an RTX 2080 Ti for these tests to facilitate faster testing, but we use the RTX 3090 for all other gaming benchmarks (we don't include these tests in the geometric mean listed above). To put it bluntly, Intel’s ‘Sapphire Rapids’ processors are very power hungry. Both the Intel Xeon w9-3495X and Intel Xeon Platinum 8490H processors have a base power of 350W. But this is only part of the story. To get an idea of pure single threaded performance, albeit through a synthetic rendering test, we also used the Cinebench ST benchmark. Here the Xeon w9-3495X had a clear lead of 22% over the Threadripper Pro 5995WX. Interestingly, despite its significantly lower turbo frequency, the Intel Xeon Platinum 8490H wasn’t that far behind the AMD processor. The biggest potential benefit for ‘Sapphire Rapids’ comes from engineering simulation, specifically CFD. Our tests show that ‘Sapphire Rapids’ can deliver a massive performance boost, largely thanks to its superior memory bandwidth. While solvers and datasets vary, serious users of tools from Ansys, Altair and others should certainly explore what the Xeon W-3400 and 4th Gen Intel Xeon Scalable processors can do for them. Extremely complex simulations can take hours, even days to run. Cutting this time in half could deliver monumental benefits to a project.

AMD’s elite Ryzen Threadripper processors and their huge dies, derived from the company's Epyc server chips, have distinguished themselves as the ultimate multi-core monsters. They are ideally suited for pro-grade content-creation and rendering—not the kind your occasional YouTuber needs, but for the likes of Pixar and well-funded movie studios. They're also great for crunching titanic data sets and spinning up modeling applications at full tilt. There are many different types of ‘solvers’ used in FEA and CFD and each behaves differently, as do different datasets. The ThinkStation P620 couldn’t keep pace with the Corsair or Origin in most of these tests, and it’s again a matter of software utilization. As this testing doesn’t employ the Lenovo’s professional hardware as it would be used in the real world, we’ll move on. Threadripper arrivedin 2017 with a then-mind-blowing 16-cores, an awesome show of force as AMD began muscling Intel out of the enthusiast HEDT market. Three generations of Threadripper later, and Intel abandoned HEDT in 2019 after the Core i9-10980XE. It isn't clear if Intel will return with the Fishhawk Falls chips based on the oft-delayed Sapphire Rapids, but it's starting to look like those will also be workstation-focused.In short, the 5995WX is a game changer for our workflow and as such it's difficult to put it into the context of percentage gains, it's not just faster, it's wildly more practical. You could say editing is now more playable, to use a gaming term. The Hitman 3 results are a bit more typical, where the 5995WX was slightly slower than the 5950X, a mere 3% decline in performance which meant it was still 18% faster than the older 3990X. This is governed largely by the number of memory channels each processor supports, but also by the type of memory. But these days, CAD is often just one of many tools used by architects, engineers and designers, some of which do benefit from having more cores or higher memory bandwidth. So, it’s important to understand how ‘Sapphire Rapids’ performs in CAD.

Except for the quad-channel Ryzen Threadripper 3000 chips, all of the above AMD and Intel processors support eight channels of DDR4-3200 ECC memory. Threadripper Pro supports a maximum of 2TB of memory in UDIMM, RDIMM, and LRDIMM flavors, while Xeon W-3300 supports up to 4TB. That's not to mention that AMD's core/thread counts weigh in at 64/128 compared to Intel's 38/76. In addition to cores, memory bandwidth is one of the main differentiators between workstation processors and their consumer counterparts. We look forward to putting the Threadripper Pro 5995WX through its paces over the coming months and years, and we hope we can take a look at the 5975WX soon as we feel that model is better suited to our use case. Shopping Shortcuts:The ThinkStation P620 didn’t complete Premiere Pro for reasons I couldn’t determine, but you wouldn’t buy a workstation equipped like ours just to run apps like that. It showed more promise in SPECviewperf 2020 and also scored the lowest time we’ve recorded in Blender’s CPU test. Of course, we tested thermal performance before we got benchmarking and everything looked good. After an hour of looping the Cinebench R23 benchmark we hit a peak temperature of 83C, which given the power usage is a good result. That said, it's unlikely to be optimal and if we look closely at the peak core complex die temperatures we see that only two peaked at around 80C, then two more which peaked in the mid to low 70s with what we assume are the four centrally located CCD's peaking at between just 57 and 61C. What We Learned Using the Pro In many ways, AMD ended up cannibalizing its own HEDT products by blurring the lines between HEDT and the mainstream with 16-core Ryzen chips on mainstream motherboards, leaving little reason for most to spend more for extra cores on HEDT. The Threadripper Pro 5995WX is an impressive processor and although for the majority of our testing it wasn't a great deal faster than the 3990X, it can be around 30% faster depending on the workload. However even that percentage gain can be fairly meaningless in a workstation setting, so here's what happened in ours... Point cloud processing software, Leica Cyclone Register 360, assigns threads according to the amount of system memory. On a machine with 64 GB it will run on five threads and on one with 128 GB or more it will run on six.

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