Intel XeSS is already disappointing, but there’s still hope
Intel’s hotly anticipated Xe Supersampling (XeSS) tech is finally here, and a couple weeks before Intel’s Arc Alchemist GPUs show up. It’s available now in Death Stranding and Shadow of the Tomb Raider, and more games are sure to come. But right now, it’s really difficult to recommend turning XeSS on.
Bugs, lacking performance, and poor image quality have sent XeSS off to a rough start. Although there are glimmers of hope (especially with Arc’s native usage of XeSS), Intel has a lot of work ahead to get XeSS on the level of competing features from AMD and Nvidia.
Spotty performance
Before getting into performance and image quality, it’s important to note that there are two versions of XeSS. One is the A.I.-assisted upscaling tool XeSS has been billed as, which exclusively works on Arc GPUs.
The other uses DP4a instructions, which work on recent Nvidia and AMD GPUs but don’t provide the same performance and image quality improvements (according to Intel). We don’t have Arc GPUs yet, so I tested the DP4a version. To avoid any confusion, I’ll refer to it as “XeSS Lite” for the remainder of this article.
That’s the most fitting name because XeSS Lite isn’t the best showcase of Intel’s supersampling tech. Death Stranding provided the most consistent experience, and it’s the best point of comparison because it includes Nvidia’s Deep Learning Super Sampling (DLSS) and AMD’s FidelityFX Super Resolution 2.0 (FSR 2.0).
With the RTX 3060 Ti and a Ryzen 9 7950X, XeSS trailed in both its Quality and Performance modes. DLSS is the performance leader, but FSR 2.0 isn’t far behind (about 6% lower in the Performance mode). XeSS in its Performance mode is a full 18% behind DLSS.
XeSS is still providing nearly a 40% boost over native resolution, but DLSS and FSR 2.0 are still significantly ahead (71% and 61%, respectively). The situation is worse with AMD’s RX 6600 XT. It seems XeSS Lite heavily favors Nvidia’s GPUs at the moment, as XeSS only provided a 24% boost in its Performance mode.
That may sound decent, but consider that FSR 2.0 provides a 66% jump. In Quality mode, XeSS provided basically no benefit, with only a 3% increase.
Shadow of the Tomb Raider also shows the disparity between recent Nvidia and AMD GPUs, but I’ll let the charts do the talking on that front. There’s a much bigger story with Shadow of the Tomb Raider. Across both the RX 6600 XT and RTX 3060 Ti, XeSS would consistently break the game.
I was able to finally get the Performance mode to work by setting the game to exclusive fullscreen and turning on XeSS in the launcher (thank goodness this game has a launcher). If I turned on XeSS in the main menu, the game would slow to a slideshow. And in the case of the Quality mode, I couldn’t get a consistent run even with the launcher workaround.
The situation is worse for the RX 6600 XT, with a large performance deficiency regardless of the performance mode.
This is clearly a bug in Shadow of the Tomb Raider‘s XeSS implementation right now, and I’m not the first to spot it. Tom’s Hardware noted in its coverage that the game would break when XeSS was turned on with an RTX 2060 Super. I tried out Shadow of the Tomb Raider on my personal rig with an RTX 3080 12GB, and it worked great without the launcher workaround. Still, it’s clear that at least a portion of GPUs will simply break the game.
And unfortunately, Shadow of the Tomb Raider doesn’t have FSR 2.0 to fall back on in that case.
Poor image quality
The performance for XeSS isn’t great right now, but the more disappointing factor is image quality. It lags behind FSR 2.0 and DLSS a bit in the Quality mode, but bumping down to the Performance mode shows just how far behind XeSS is right now in this regard. Shadow of the Tomb Raider is the best example of that.
DLSS looks a bit better, utilizing sharpening to pull out some extra detail on the distant skull below. XeSS falls apart. In Performance mode in Shadow of the Tomb Raider, XeSS looks like you’re simply running at a lower resolution.
This is zoomed in quite a bit, so the difference isn’t nearly as stark when zoomed out.
And the Quality mode holds up decently. It still suffers from the low-res look when zoomed in so much, but the differences are much harder to spot in Quality mode when you’re actually playing the game.
Death Stranding tells a different story — and largely because it includes FSR 2.0. In Quality mode, FSR 2.0 and native resolution are close, aided a lot by FSR 2.0’s aggressive sharpening.
DLSS isn’t quite as sharp, but it still manages to maintain most of the detail on protagonist Sam Porter Bridges. XeSS is a step behind, though it’s not as stark as Shadow of the Tomb Raider. It manages to reproduce details, but they’re not as well-defined. See the hood and shoulder on Bridges and the rock behind him.
Performance mode is where things get interesting.
Once again FSR 2.0 is ahead in a still image with its aggressive sharpening, but XeSS and DLSS are almost identical. Performance is behind, and Intel still needs to work with developers for better XeSS implementations. But this showcases that XeSS can be competitive.
One day, at least.
Just like with performance, it’s important to keep in mind that this isn’t the full XeSS experience. Without Arc GPUs to test yet, it’s hard to say if XeSS’ image quality will improve once it’s running on the GPUs it was intended to run on. For now, XeSS Lite is behind on image quality, though Death Stranding is proof that it could catch up.
Will XeSS hold up on Arc?
XeSS is built first and foremost for Intel Arc Alchemist, so although these comparisons are useful now, it’s all going to come down to how XeSS can perform once Arc GPUs are here.
XeSS Lite still needs some work, especially in Shadow of the Tomb Raider, but Death Stranding is a promising sign that the tech can get there eventually. Even then, it’s clear that XeSS isn’t the end-all-be-all supersampling tech it was billed as. It’s possible that by trying to do both machine learning and general-purpose supersmapling, XeSS will lose on both fronts.
For now, though, we just have to wait until we can test Intel’s GPUs with XeSS.
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