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Xbox One X backward compatibility revives Xbox 360 classics in glorious 4K

Back when the Xbox One X was first unveiled, Microsoft detailed an extensive list of "Xbox One X Enhanced" games – titles manually reworked with dedicated patches, to take advantage of the console's additional resources. Improved resolutions, increased framerates and reworked textures are among the most common enhancements made with the hardware, boosting Xbox One games beyond their original visual capabilities.

Shortly ahead of the Xbox One X release, Microsoft also made a somewhat unexpected announcement: select Xbox 360 titles would see specific enhancements for the new console. Halo 3, Fallout 3 and Mirror's Edge were among the seven titles being manually upgraded at launch, with resolution bumps and other visual upgrades among the changes.

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Ten years later, still better than ever

Enhanced Xbox 360 games leverage the same emulation technologies seen in the existing Xbox One backward compatibility, allowing titles originally designed for different hardware architectures to be run on the console. Taking advantage of this system, which essentially emulates an Xbox 360 environment in a self-contained application, this has allowed Microsoft to make some minor software modifications to force games to run better than when they shipped on the console over 10 years ago. Unlike many of the Xbox One X enhancements being developed solely by third-party studios, the upgrades to Xbox 360 titles have seemingly been handled internally by Microsoft.

Despite these games having been designed for a console over a decade old, all of the Xbox One X Enhanced titles pursue increased resolutions, up to native 4K. And for a device that debuted with 720p gaming, this is a major step up in clarity from the original experience first shipped back in the day. Even people on 1080p screens will also see these benefits, with a consistent "supersampled" 1080p image produced by a downsampling the game rendering at 4K.

Xbox One Family

Xbox One Family (Image credit: Windows Central)

Changes have been made to texture filtering on Xbox One X too, a technology used in processing two-dimensional textures in a three-dimensional game world. With flat images used for in-game textures, the process decides how different angles and distances reflect the image displayed on-screen. On Xbox One X, texture filtering has been improved, to deliver high-quality depictions of textures through the process.

This also extends to "mipmapping," an aspect of the texture filtering process which reduces the quality of textures over distance, to prevent resources from being wasted on high-resolution textures from afar. Removing these transitions means higher quality textures are now more frequently used. Although textures haven't been manually reworked, the process in how they're displayed makes for much richer translations, uncovering a more visually-impressive game under the hood.

Certain titles have even been updated from eight-bit color depth to 10-bit, displaying a larger range of colors than seen in previous versions. This also extends to HDR support for some games, with a wider gamut of colors and higher contrast ratios on supported displays.

What does Xbox One X enhancement mean for Xbox 360 titles?

We decided to look at how much of a difference Xbox One X enhancement makes for Xbox 360 titles, comparing the differences across a couple of the available games. Cross-referencing the Xbox One X enhancements with the games running on a standard Xbox One console, this provides a better sense of the changes and what they truly deliver.

Halo 3 for Xbox 360 (2007) running on Xbox One (left) versus the same scene on Xbox One X, output at 4K (right).

Halo 3 is among the most impressive titles upgraded for the Xbox One X, with various tweaks across the game's entire sandbox. As seen in our comparison screenshots, the resolution bump really shines in certain environments – especially those with dense foliage and complex architecture. In contrast to Xbox One upgrades, where the jump to 4K is less severe, a shift from 720p to 4K resolution results in a major leap in clarity. However, the frame rate is still locked at 30 frames per second (FPS), so you won't be seeing the full range of benefits present in the Xbox One re-release via "[The Master Chief Collection](https://www.amazon.com/Halo-Master-Chief-Collection-Xbox-One/dp/B00KSQHX1K/?tag=wpcentralb-20&ascsubtag=UUwpUdUnU52200" That version of the game won't be updated until 2018, making the original 360 version much more compelling in the meantime.

Mirror's Edge for Xbox 360 (2008) running on Xbox One (left) versus the same scene on Xbox One X, output at 4K (right).

Mirrors Edge has also significantly benefitted hugely from the resolution bump, with improved clarity to an already sleek world. As a game always defined by its clean and sharp art style, enhancements for the Xbox One X have only accentuated these strengths, bringing out its contrasting colors and further defining its minimalist environmental design. A bump in resolution also helps with the game's longer draw distances, while reducing aliasing on sharp objects on the horizon. While the upgrade changes little in the fluidity of its gameplay, the improvements are brought to light by its sharp and vibrant approach to design.

The value of backward compatibility grows

Xbox 360 games enhanced for the Xbox One X might not be the most visually ground-breaking you can play today, but considering many of these games are now over a decade old, it's amazing how far they've come. Especially as a free update for Xbox One X users, this only adds greater value to a feature the Xbox One platform is already praised for. When backward compatibility first debuted, it was impressive that a wide library of games would seamlessly transition – never did we expect to be playing them in 4K just a couple years later.

Enhancement of these games isn't a system seller, but the difference is clearly visible. Proving how far games have evolved in the past decade, this is easily the best way to revisit old classics on the platform. If you're an Xbox One X owner, make sure to give this feature a try – it's a trip down memory lane, without the risk of disappointment.

Matt Brown is a senior editor at Future for Windows Central. Following six years of professional consumer technology and gaming coverage, he’s focused on the world of Xbox and Windows PCs. You can follow him on Twitter @mattjbrown.

17 Comments
  • Why, in the screenshot comparison, the 4k side is brighter? 
  • HDR
  • Hey! We used identical capture on Xbox One and Xbox One X, with the same settings in-game. Appears the jump in brightness is a side effect of enabling HDR, yes (:
  • I am actually more surprised about how the X improves older games than newer one.  I played both Mirrors Edge and Halo 3 and they literally looked like modern day releases. 
  • 4K part looks brighter.. that is all.
  • Images are crisper.
  • If you look those screenshots in a tiny screen, of course you won't see any difference, you should use your PC plugged on a TV or use your console's browser to see the difference. It's unbelievable how a 360 game still can look better than we think.
  • I've noticed how much better all games play on the One X even without being enhanced.
  • Thank you for adding screenshots. Sometimes I read WinCentral at work and youtube is blocked. :P
  • it is by far the best console on the planet Ps4 players are missing out on what is truly great gamer experience . and so i don't get trolled by Microsoft haters i don't say yes to every thing they do they make real bad decision's sometimes and let down there best customers frequently but this time they got it right
  • Well there is no such thing as "the best console". It's totally subjective.  Yes, it is the most powerful console currently, but it is also the most expensive one. Honestly, as a PS4/PC owner I don't feel I'm missing out on anything. You see specs/power has never been my priority. For me it's always been about games. And I can play almost all XB1x games and upcoming games on what I already have. The same can be said about a XB1/PC owner. So I don't fell I'm missing out on much. On the contrary, I feel it's these people who are missing out on games...
  • At this rate, I will have no choice but to get an xbox one x sooner than later (bills come first lol...)
  • A friend of mine and myself did a quick comparison of the 360 version of Halo 3 and the Master Chief Collection version on the X and we'd both have to say that the 360 version was preferable. Both had what appeared to be the same high resolution textures but the MCC version gamma was way too high. The picture was very bright with much less contrast. The MCC version did run in 60fps compared to the 360 version at 30fps but I almost preferred the game at 30fps as it felt more cinematic. I definitely want to see more 360 games get this treatment.
  • It seems highly likely that you had something messed up with your Xbox One X settings.  It's fine if you prefer a blurrier image but the difference is night and day between the two versions.
  • I didn't see anything blurrier in sharpness just the lower framerate. There may have been a gamma or picture setting in the MCC version that needs to be adjusted for the brightness value for sure. It was just starkly different "out of the box" which I found strange. In general though I don't prefer 60fps for story driven games or campaigns. I do prefer it for multiplayer for sure as it's more competitive and sports like. That's just my opinion though. The MCC is a great collection, just for some reason I was drawn to playing the 360 version more after comparing the two.
  • Why is this article showing up as a web page (including comments within)?
  • Was hoping that wasn't just me.