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This review first appeared in issue 353 of PC Pro.
Workstation technology is the pinnacle of desktop PC power, and this month we’re testing a computer that showcases some of the latest high-performance components. Not only is the Scan 3XS GWP TR Ada our first look at AMD’s latest Ryzen Threadripper, back after a hiatus, but also Nvidia’s Ada generation graphics, and it boasts a bevy of PCI-E 5 NVMe storage as well.
First, that processor. The AMD Ryzen Threadripper 7980X is top of the resurgent range, offering 64 cores running at a base 3.2GHz but with a boost up to 5.1GHz. Scan has chosen Corsair H150i Elite Capellix RGB liquid cooling to eke the most out of this processor. The 360mm version has been installed on the front of the chassis, with three 120mm fans providing plenty of heat dissipation.
With the Ryzen Threadripper supporting quad-channel memory, Scan naturally populates all four DIMM sockets of the Asus Pro WS TRX50 Sage WiFi motherboard. These are 32GB 4,800MHz Samsung ECC Registered DDR5 modules, for a total of 128GB. You would need to replace all of them if you wanted more memory up to the motherboard’s 1TB maximum, but 128GB should be enough for the lifetime of this system.
No expense spared
Another top-level component is the Nvidia RTX 6000 Ada graphics, which uses Nvidia’s Ada Lovelace architecture, a 4nm design that takes professional GPU performance to the next level and is used in the incredibly potent GeForce RTX 4090 consumer graphics card. The RTX 6000 Ada packs 18,176 CUDA cores, a considerable upgrade on the 10,752 cores of the A6000 it replaces. Both cards have 48GB of GDDR6 memory, but the Ada’s memory is faster (2,500MHz versus 2,000MHz) so bandwidth has increased from 768GB/sec to 960GB/sec. The GPU clock is also up to 2,505MHz on boost, compared to 1,800MHz, so this is a seriously fast 3D graphics accelerator.
Scan has spared no expense when it comes to storage, either. The boot drive is a single 2TB Corsair MP700 NVMe M.2 device. This takes advantage of the AMD Ryzen Threadripper 7000 series’ support for PCI-E 5. Running CrystalDiskMark 8, it delivered 11,492MB/sec reading and 11,773MB/sec writing, which are phenomenal levels of throughput. As if this wasn’t enough, there’s an 8TB array consisting of four more of the same drive in a RAID0 configuration, installed in a Hyper M.2 X16 expansion card that sits in one of the motherboard’s x16 PCI-E 5 slots. This array delivered mind-blowing 34,186MB/sec reading and 42,176MB/sec writing. That’s not a misprint – you’re getting 30 to 40GB/sec throughput. This will make editing even 8K video relatively painless, for example.
Touch of style
This plethora of potent components has been housed in a sizeable Fractal Design North chassis. The slats down the front make this look more like a stylish freestanding radiator than a PC, and it’s packed with features. There are two mounts for 2.5in drives, and two more for 3.5in or 2.5in units. None are used as all of Scan’s storage is NVMe-based. The power supply is a 1,000W Corsair RM1000X 80 Plus Gold unit, which should be well within its comfort zone despite the power-hungry core components. Even under full load, this isn’t a noisy computer.
The Asus motherboard offers both 10GbE and 2.5GbE LAN on the backplane, plus a built-in Wi-Fi 7 2×2 radio that can operate at up to 2.8Gbits/sec. There are three PCI-E 5 slots, but the two x16 ones are taken by the graphics and RAID storage array adapter, while the third operates in x8 mode. There’s also an x16 PCI-E 4 slot with a second that operates in x4 mode. The board contains three M.2 storage slots, with two operating at PCI-E 5 x4 speed (one taken by the boot drive), plus a third with PCI-E 4 x4 performance. The motherboard also has hardware and software support for Asus IPMI remote management expansion cards. However, there are only two 20Gbits/sec USB-C ports – one on the backplane and one on the top of the chassis at the front. The rest are Type-A ports of lesser speeds.
Blasted with speed
We were expecting top performance from the new Threadripper, but we weren’t quite ready for just how fast this system is. An overall score in the PC Pro benchmarks of 954 is way ahead of anything we’ve tested before. Most of this is provided by the incredible 1,224 in the multitasking test, which is no surprise with 64 cores available. But the video result of 892 is phenomenal as well. Only the image editing score of 267 has been beaten before. This is a mostly single-threaded test, and there are CPUs with faster boost core frequencies.
If you want a true demonstration of how incredible this system is, however, look no further than the Maxon Cinebench R23 multithreaded result of 107,189. Putting this in perspective, the fastest 64-core Threadripper Pro 5995WX workstation we’ve tested – the Armari Magnetar MC64TP – only managed 76,330. The single-threaded result of 1,728 shows the improvement, too, as the Magnetar managed 1,492, although CPUs with lower cores and higher frequencies such as the Ryzen 7000 series or recent Intel Core chips do better in this test.
Further underlining these abilities, the Blender Gooseberry render took only 94.6 seconds using the CPU, the first time we’ve seen a processor complete this frame processing task in less than two minutes. On GPU (using CUDA) it took 69.2 seconds, much less time than any other professional card we’ve tested. The LuxMark 3.1 score of 26,426 is similarly high, showing just how much GPU compute power the Nvidia RTX 6000 Ada has on offer.
Tour de force
This GPU power translates into incredible 3D modelling capabilities. The standout result in SPECviewperf 2020 is an astonishing 1,235 with the snx-04 viewport, almost twice the fastest scores we’ve seen before. The catia-06 result of 208 is also impressive, as is 604 in solidworks-07, showing that CAD and product design capabilities are unparalleled, although the creo-03 score of 76 is surprisingly mediocre. For 3D animation, 295 in 3dsmax-07 and 807 in maya-06 tell their own story.
The Scan 3XS GWP TR Ada is a tour de force. Its 64-core AMD Ryzen Threadripper blows everything that went before out of the water with multithreaded tasks, and it’s no slouch with single threads, either. The Nvidia RTX 6000 Ada graphics also dominate for viewport acceleration or GPU rendering, and storage throughput is unparalleled. Of course, this workstation is expensive, but you certainly get what you pay for: the best possible workstation performance on the market.
For a few years, it seemed like the regular AMD Ryzen Threadripper was history. After the Pro version arrived, there was no non-Pro 5000 series. But now the vanilla Threadripper is back with the 7000 generation. It’s based on the same Zen 4 core as the Ryzen and Ryzen Threadripper Pro 7000 series CPUs, manufactured using variants of TSMC’s 5nm fabrication process, but sits between the two in features and price.
Where the Ryzen 7000 series tops out at 16 cores, the Ryzen Threadripper 7000 series offers 24-, 32- and 64-core iterations. The Pro goes from 12 to 96 cores. Further differentiation comes with memory configuration. All three 7000 series ranges support DDR5 memory at up to 5,200MHz, but where the basic Ryzen has a dual-channel controller, the Threadripper’s controller is quad-channel and the Pro’s is eight-channel.
All three ranges now offer PCI Express 5, but the number of lanes available is another point of difference. The basic Ryzen has 28 PCI-E 5 lanes, but the Threadripper has 48, plus 24 PCI-E 4 lanes, and the Pro has 128 PCI-E 5 lanes. The greater number of lanes will mean that faster storage devices such as NVMe M.2 drives can be attached, faster networking devices can be used, and more graphics cards can be installed.
Since we last had non-Pro Threadrippers, AMD’s Zen core technology has moved on apace. Both the previous 3000 series and new 7000 series top out at 64 cores, but the 3000 version (3990X) had a base clock of 2.9GHz with 4.3GHz boost, whereas the 7980X as found in this month’s Scan system has a base clock of 3.2GHz with 5.1GHz boost. This will offer significantly better performance with software that favors fewer, faster cores and with applications that can use as many cores as possible. With AMD’s Precision Boost 2, you’ll get as many cores as your cooling and motherboard power delivery can handle to run at maximum frequency, although some will be flagged as the most capable after manufacturer testing. Putting this further in perspective, the 32-core AMD Threadripper 2990WX only had a base clock of 3GHz and a boost of 4.2GHz, so the 7980X is a huge leap forward.
As such, this Zen 4-based Threadripper represents another significant update for AMD. Intel has been posing a challenge to the Ryzen 7000 series with its 13th generation Raptor Lake chips, but its Sapphire Rapids Xeon workstation processors have only arrived recently and max out at 56 cores and a 4.8GHz boost frequency. The Threadripper undercuts it in price while the Threadripper Pro now goes up to 96 cores.
With the return of the non-Pro Ryzen Threadripper, there’s a more affordable route once again if you want more than 16 cores in your workstation for the best possible multithreaded performance.
