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Intel’s Discrete GPU Era Begins: Intel Launches Iris Xe MAX For Entry-Level Laptops
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[Image: Xe_Max_Car_678x452.jpg]

Today may be Halloween, but what Intel is up to is no trick. Almost a year after showing off their alpha silicon, Intel’s first discrete GPU in over two decades has been released and is now shipping in OEM laptops. The first of several planned products using the DG1 GPU, Intel’s initial outing in their new era of discrete graphics is in the laptop space, where today they are launching their Iris Xe MAX graphics solution. Designed to complement Intel’s Xe-LP integrated graphics in their new Tiger Lake CPUs, Xe MAX will be showing up in thin-and-light laptops as an upgraded graphics option, and with a focus on mobile creation.

We’ve been talking about DG1 off and on since CES 2020, where Intel first showed off the chip in laptops and in a stand-alone development card. The company has continuously been coy about the product, but at a high level it’s been clear for some time that this was going to be an entry-level graphics solution suitable for use in smaller laptops. Based heavily on the integrated graphics in Intel’s Tiger Lake-U CPU, the Xe-LP architecture GPU is a decidedly entry-level affair. None the less, it’s an important milestone for Intel; by launching their first DG1-based product, Intel has completed first step in their plans to establish themselves as a major competitor in the discrete GPU space.

Sizing up Intel’s first dGPU in a generation, Intel has certainly made some interesting choices with the chip and what markets to pursue. As previously mentioned, the chip is based heavily on Tiger Lake-U’s iGPU – so much so that it has virtually the same hardware, from EUs to media encoder blocks. As a result, Xe MAX isn’t so much a bigger Xe-LP graphics solution so much as it is an additional discrete version of the Tiger Lake iGPU. Which in turn has significant ramifications in the performance expectations for the chip, and how Intel is going about positioning it.

To cut right to the chase for our more technical readers, Intel has not developed any kind of multi-GPU rendering technology (ala NVIDIA’s SLI or AMD’s CrossFire) that allows for multiple GPUs to be used together for a single graphics task. So there is no way to combine a Tiger Lake-U iGPU with Xe MAX and double your DOTA framerate, for example. Functionally, Xe MAX is closer to a graphics co-processor – literally a second GPU in the system.

As a result, Intel isn’t seriously positioning Xe MAX as a gaming solution – in fact I’m a little hesitant to even attach the word “graphics” to Xe MAX, since Intel’s ideal use cases don’t involve traditional rendering tasks. Instead, intel is primarily pitching Xe MAX as an upgrade option for mobile content creation; an additional processor to help with video encoding and other tasks that leverage GPU-accelerated computing. This would be things like Handbrake, Topaz’s Gigapixel AI image upsampling software, and other such productivity/creation tasks. This is a very different tack than I suspect a lot of people were envisioning, but as we’ll see, it’s the route that makes the most sense for Intel given what Xe MAX can (and can’t) do.

At any rate, as an entry-level solution Xe MAX is being setup to compete with NVIDIA’s last-generation entry-level solution, the MX350. Competing with the MX350 is a decidedly unglamorous task for Intel’s first discrete graphics accelerator, but it’s an accurate reflection of Xe MAX’s performance capabilities as an entry-level part, as well as a ripe target since MX350 is based on last-generation NVIDIA technology. NVIDIA shouldn’t feel too threatened since they also have the more powerful MX450, but Xe MAX has a chance to at least dent NVIDIA’s near-absolute mobile marketshare by going after the very bottom of it. And, looking at the bigger picture here for Intel’s dGPU efforts, Intel needs to walk before they can run.

Finally, as mentioned previously, today is Xe MAX’s official launch. Intel has partnered with Acer, ASUS, and Dell for the first three laptops, most of which were revealed early by their respective manufacturers. These laptops will go on sale this month, and the fact that today’s launch was timed to align with midnight on November 1[sup]st[/sup] in China offers a big hint of what to expect. Intel’s partners will be offering Xe MAX laptops in China and North America, but given China’s traditional status as the larger, more important market for entry-level hardware, don’t be too surprised if that’s where most Xe MAX laptops end up selling, and where Intel puts its significant marketing muscle.

Kicking off the deep dive portion of today’s launch, let’s take a look at the specs for the Xe MAX. As previously mentioned, Xe MAX is derived from Tiger Lake’s iGPU, and this is especially obvious when looking at the GPUs side-by-side. Xe-LP as an architecture was designed to scale up to 96 EUs; Intel put 96 EUs in Tiger Lake, and so a full DG1 GPU (and thus Xe MAX) gets 96 EUs as well.

In fact Xe MAX is pretty much Tiger Lake’s iGPU in almost every way. On top of the identical graphics/compute hardware, the underlying DG1 GPU contains the same two Xe-LP media encode blocks, the same 128-bit memory controller, and the same display controller. Intel didn’t even bother to take out the video decode blocks, so DG1/Xe MAX can do H.264/H.265/AV1 decoding, which admittedly is handy for doing on-chip video transcoding.
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