Some Apple support documentation seems to suggest that Mac shift to Apple silicon will drop support for non-Apple GPUs.

• Benchmark For Amd Gpus On Macos Windows 7
• Benchmark For Amd Gpus On Macos Computer

The Cupertino tech giant first announced the transition to Apple silicon at its WWDC keynote on June 22. Since then, more details have been surfacing about what exactly the change will entail.

For example, in a WWDC 2020 developer session focused on porting Metal apps to the new architecture, Apple made it clear that its Apple silicon Macs will sport custom Apple GPUs.

Since AMD’s APUs are compatible with the same code Intel processors are (with a few exceptions), it’s probably not a huge task for Apple to get macOS up and running on them. Model TF Version Cores Frequency, GHz Acceleration Platform RAM, GB Year Inference Score Training Score AI-Score; Tesla V100 SXM2 32Gb: 2.1.05120 (CUDA) 1.29 / 1.53. ( Through GPU-Z program on Windows, or from 'system information' app in MacOS ) The identifier consists of 2 main things. Card unique ID ( 69A0 for example ), and the brand ( 1002 for all AMD cards ) 0x 0x69A01002 Keep in mind that even if a GPU is on this list, it does not mean that it is fully compatible. Jun 27, 2020  AMD provides Apple with some exclusive Vega GPUs currently. This is macOS Big Sur. Intriguingly, there are mentions of two data center GPU accelerators, the MI100 and MI200.

'Apple silicon Mac contains an Apple-designed GPU, whereas Intel-based Macs contain GPUs from Intel, AMD and NVIDIA,' said Gokhan Avkarogullari, Apple's director of GPU software.

While Apple hasn't exactly detailed what that compatibility means, it seems to suggest that an ARM-based version of macOS could also drop support for Intel, NVIDIA and AMD graphics chips. It is similarly unclear what that means for eGPU support, although that may be more dependent on Thunderbolt 3 and driver compatibility.

As part of the shift to Apple GPUs in its Mac hardware, the company is also giving developers other hints at what's to come. In a developer support document, the company advises not to underestimate an integrated Apple GPU.

'Don't assume a discrete GPU means better performance,' Apple wrote. 'The integrated GPU in Apple processors is optimized for high performance graphics tasks.'

It isn't clear what the statement means, other than a high-performing Apple-designed integrated GPU will be included in shipping Apple silicon Macs. There is no indication in support documentation that Apple will discontinue support for AMD GPUs for Intel Macs in future versions of macOS, but the statement above may also suggest that there may yet be an avenue for third-party PCI-E GPU support going forward.

Apple has been working on GPU hardware and software for years. The iPhone 8 and iPhone X devices in 2017 were the first to sport Apple-designed graphics solutions.

The Cupertino tech giant is also giving developers other advice amid the switch to Apple silicon, including on porting just-in-time (JIT) compilers.

'Always call before you execute any instructions from your threads. Instruction caches aren't coherent with data caches on Apple silicon, and unexpected results may occur if you execute instructions without invalidating the caches,' a JIT document reads.

Benchmark For Amd Gpus On Macos Windows 7

Apple has taken other steps to ensure the transition is a smooth one for developers. It's made available a Developer Transition Kit for app makers to get their hands on Apple silicon before a consumer release, and has implemented new virtualization and emulation software to ensure that ARM Macs can run Intel-based apps.

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Photoshop doesn't scale well with a higher number of CPU cores, which means that once you get up to a mid-range CPU, you generally don't see much of a difference in Photoshop performance. This is something we talk all the time when looking at Photoshop performance on PCs, but it is also just as true for Macs.

In our testing, a $20,000 Mac Pro performed about on par with a much less expensive $7,000 iMac Pro, which in turn performed about 10% slower than a $4,000 PC using a Core i9 9900K or AMD Ryzen 3900X.

Benchmark For Amd Gpus On Macos Computer

Introduction

Apple's new Mac Pro has been out for about 5 months now, and thanks to our friends at Linus Media Group (creators of Linus Tech Tips) we were finally able to get our hands on one for testing. While I may or may not have thrown out my back lugging the system up a flight of stairs (it weighs a ton!), there is no doubt that the Mac Pro is a very slick and sturdy machine. But what we are always interested in is exactly how well it performs in real-world applications like Photoshop.

Anytime we do Mac vs PC testing, things can easily become a bit heated in our comments section, so we are going to largely side-step the question of whether you should use a Mac or a PC. Here at Puget Systems, we rarely try to outright convince anyone to move from Mac to PC, but rather take the standpoint of offering as much information as we can so that you can make an informed decision for your own situation. If your workflow is better on a Mac, that is great! But if you are ready and able to take advantage of the higher performance, lower cost, and greater customization of a PC and want to work with a company that is intimately familiar with the transition from Mac to PC, we are here to help!

In this article, we will be examining the performance of the new 2019 Mac Pro in Photoshop compared to a range of PC workstation configurations using AMD Threadripper, AMD Ryzen, Intel X-series, and Intel 9th Gen processors. In addition, we will be including an iMac Pro as well as a previous generation Mac Pro as additional reference points. If you are interested in how the Mac Pro compares in other applications, we also have other articles for Premiere Pro and After Effects available on our article listing page.

If you would like to skip over our test setup and benchmark sections, feel free to jump right to the Conclusion.

Be sure to clone your current SDD to the Transcend BEFORE installing it as directed. Cloning your SDD will fail if your current SSD has even a single non-readable file.

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Test Setup

Listed below are the specifications of the systems we will be using for our testing:

*All the latest drivers, OS updates, BIOS, and firmware applied as of March 30th, 2020

In order to see how each of these configurations performs in Photoshop, we will be using our PugetBench for Photoshop V0.9 benchmark and Photoshop 2020 (21.1.1). This benchmark version includes the ability to upload the results to our online database, so if you want to know how your own system compares, you can download and run the benchmark yourself.

We went back and forth about including pricing, but since that is one of the biggest downsides to using a Mac, we opted to go ahead and include the pricing for the Mac systems we are using in this article. The Mac Pro (2019) and iMac Pro pricing is pulled directly from Apple.com at the date of this post, but since the Mac Pro (2013) is no longer sold, we went with what OWC is currently selling a used unit for with the same specs.

However, keep in mind that some of the configuration options for the Mac Pro we have are not going to do much for Photoshop. For example, the dual GPUs likely won't increase performance much, so you could save $2,800 and get a single Radeon Pro Vega II. The 28-core CPU is also likely overkill in this case, and a more reasonable option can save you anywhere from $1k to $7k.

But no matter how you slice it, the Mac Pro is not a cheap system. To put it into context, here is the pricing for a handful of PC configurations we will be comparing it to:

• $6,320 - AMD Threadripper 3970X, GeForce RTX 2080 Ti, 64GB of RAM
• $5,040 - Intel Core i9 10980XE, GeForce RTX 2080 Ti, 64GB of RAM
• $4,200 - AMD Ryzen 9 3900X, GeForce RTX 2080 Ti, 64GB of RAM
• $4,131 - Intel Core i9 9900K, GeForce RTX 2080 Ti, 64GB of RAM

Of course, you can certainly increase the price by adding things like additional storage, but for a semi-direct comparison to the Mac it should be in the ballpark. What it comes down to is that compared to the Mac Pro we are using, even the most expensive PC configuration we will be testing is less than half the cost. If you went with the most basic configuration you can get for the Mac Pro, the price (~$6k) is going to be roughly the same as the AMD Threadripper 3970X 32-core system.

If you are looking at just pure price-to-performance (which admittedly breaks down as workstations get more and more expensive), the Mac Pro better be pretty amazing to justify its hefty price tag.

Benchmark Results

While our benchmark presents various scores based on the performance of each test, we also like to provide the individual results for you to examine. If there is a specific task that is a hindrance to your workflow, examining the raw results for that task is going to be much more applicable than the scores that our benchmark calculated.

Feel free to skip to the next section for our analysis of these results to get a wider view of how each system performs in Photoshop.

Photoshop is an interesting application to look at since in most cases, it does not take advantage of CPUs that have a large number of cores. That means that the 28 cores in the Mac Pro are not being used to its full potential, but neither are the 18, 32, or 64 cores that are found in some of our PC configurations.

Here, it is all about the per-core performance of the system which is determined largely by the maximum Turbo frequency as well as the processor's architecture. In the end, the result is that the $20k Mac Pro with 20 cores performs on par with the much less expensive 14-core iMac Pro. Many of the PC configurations are within a few percent of this result as well, although the Intel Core i9 9900K, AMD Threadripper 3960X/3970X, and AMD Ryzen 3900X/3950X CPUs are all around 10% faster than the Mac Pro.

Mac Pro (2019) vs a PC Workstation for Photoshop

Since Photoshop is largely unable to take advantage of higher CPU core counts, there often isn't much of a difference between most modern mid/high-end CPUs - and that applies for a Mac just as much as it does for a PC workstation. Overall, if Photoshop is your primary concern, you can get about 10% higher performance from one of our $4,200 Puget Systems workstations with either an AMD Ryzen 3900X or Intel Core i9 9900K compared to the $19,599 Mac Pro (2019) we tested.

Now, is 10% going to be a game-changer for your workflow? Probably not - it is right on the edge of what you might be able to notice in everyday work. The main takeaway here is not necessarily the performance alone, but rather how much you have to pay to get it. Even if you forget the Mac Pro and go with the much more reasonably priced iMac Pro, you are still likely to pay about twice the cost for equivalent performance.

Keep in mind that the benchmark results in this article are strictly for Photoshop and that performance will vary widely in different applications. If your workflow includes other software packages (we have similar articles for Premiere Pro and After Effects), you need to consider how the system will perform in those applications as well. Be sure to check our list of Hardware Articles to keep up to date on how all of these software packages perform with the latest CPUs.

Looking for a Photoshop Workstation?

Puget Systems offers a range of poweful and reliable systems that are tailor-made for your unique workflow.

Labs Consultation Service

Our Labs team is available to provide in-depth hardware recommendations based on your workflow.