Monday, November 24th 2025

Xbox Full-Screen Experience Uses 9% Less RAM Than Standard Windows 11 Mode

The Xbox Full Screen Experience (FSE) is a new system performance enhancement to use less system RAM than the standard Windows 11 desktop mode, as confirmed by MSI. Recently, Microsoft introduced this feature to regular Windows PCs, allowing them to play games using Xbox FSE mode. MSI has now confirmed that its handhelds running Windows 11 can significantly benefit from this feature. When the system operates in standard Windows 11 desktop mode, it consumes 8.6 GB of RAM. However, with Xbox FSE enabled, RAM usage drops to 7.8 GB, a 9.3% reduction. MSI describes this as a 5% difference based on the total system capacity of 16 GB, rather than the difference between the two usage figures.

Users with the Xbox app installed can access Xbox FSE by navigating to Game Bar > Settings or pressing Win + F11. This feature can take over the screen at startup, hiding the desktop and minimizing background tasks, creating a console-like experience. The interface is minimalistic, with game tiles filling the entire display. Navigation is controlled by a game controller, and typical Windows elements are hidden to maintain focus on the game. Microsoft states that this mode also pauses maintenance activities and mutes notifications to ensure consistent frame delivery. This is demonstrated with Cyberpunk 2077, which can achieve up to 8.6% higher FPS. All of this occurs with 9.3% less RAM usage, meaning Xbox FSE reduces background load, allowing the handheld to achieve better performance.
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50 Comments on Xbox Full-Screen Experience Uses 9% Less RAM Than Standard Windows 11 Mode

#1
TheDeeGee
Will be handy for the Steam Machine with only 16Gb, lol
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#2
Darmok N Jalad
TheDeeGeeWill be handy for the Steam Machine with only 16Gb, lol
Only if you put W11 on it. It will run SteamOS instead, which undoubtedly will save you way more than 9% versus desktop W11.
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#3
TheinsanegamerN
Darmok N JaladOnly if you put W11 on it. It will run SteamOS instead, which undoubtedly will save you way more than 9% versus desktop W11.
Some people play games that are not compatible with Linux.
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#4
Shihab
RAM usage is a symptom, not a cause. Windows’ memory manager is probably smart enough to deallocate/page out the bloat if a foreground application needs it. It’s the fact that there are unnecessary processes that need this memory in the first place that is an issue.
And honestly, with exception to single-digit capacities or severely mismatched hardware, do computers these days ever run short of main memory for pure gaming?
TheinsanegamerNSome people play games that are not compatible with Linux.
They are not the design case for a linux-running machine then.
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#5
LastDudeALive
Crazy how Microsoft's solution to Windows 11's bloat is to just stop running parts of the OS instead of making it run better.
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#6
shuffy_losys
ShihabRAM usage is a symptom, not a cause. Windows’ memory manager is probably smart enough to deallocate/page out the bloat if a foreground application needs it. It’s the fact that there are unnecessary processes that need this memory in the first place that is an issue.
It's been living in the back of my head but I never saved where I read it, but the more memory you have, the larger the page tables have to be. But also, I believe this doesn't really cause that much more memory consumption. Though another explanation is Windows will allocate more memory to a process when it requests it, simply because there's more memory available.
LastDudeALiveCrazy how Microsoft's solution to Windows 11's bloat is to just stop running parts of the OS instead of making it run better.
There's no A-B comparison provided, so it's up in the air which processes were stopped. For all we know, the desktop environment is just that much of a mess.
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#7
Hecate91
RAM usage would drop a lot more than 9% if MS would just offer a "gaming" version of Windows without all of the bloatware,AI copilot garbage, telemetry, or constantly running applications.
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#8
LastDudeALive
shuffy_losysThere's no A-B comparison provided, so it's up in the air which processes were stopped. For all we know, the desktop environment is just that much of a mess.
Per the linked articles, "Microsoft states that this mode also pauses maintenance activities and mutes notifications to ensure consistent frame delivery," in addition to the different desktop layout. I'm sure the desktop is a big part of it, but the other parts are also a significant factor. IIRC, Game Bar's "Game mode" also does a similar thing.

Whether it's the desktop or background processes, the point is any modern computer is more than capable of running an OS and a game at the same time. Microsoft's solution of just running less stuff, instead of making the stuff run better, is short-sighted.
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#9
Space Lynx
Astronaut
I am looking forward to game benchmarks, to see if the gaming focused mode helps any. If I am not mistaken this was already tested for the handheld version on RoG Ally X and it was found to be no gains in FPS even if ram savings are there.

Desktop might be a different story though, who knows. Clean installs of Win 11 only take me like 45 mins and that includes reinstalling most of my shit, so I will probably do a clean install when this variant of Windows comes out and give it a go.
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#10
lexluthermiester
When the system operates in standard Windows 11 desktop mode, it consumes 8.6 GB of RAM.
Who came up with that daffy number?!? I have 7 different things running right now, including a video editor, and my usage is sitting at just over 7.9GB, uncompressed. On the desktop with nothing but Firefox running it's 2.9GB.

Regardless, let's presume that 8.6GB is legit, 9% = <850MB.

Looks like microsoft is grasping at straws to sell the "Full Screen Experience". Kinda sad.
Posted on Reply
#11
LastDudeALive
lexluthermiesterWho came up with that daffy number?!? I have 7 different things running right now, including a video editor, and my usage is sitting at just over 7.9GB, uncompressed. On the desktop with nothing but Firefox running it's 2.9GB.

Regardless, let's presume that 8.6GB is legit, 9% = <850MB.

Looks like microsoft is grasping at straws to sell the "Full Screen Experience". Kinda sad.
You have 2.9GB usage, with 16GB (or more) of RAM, with Firefox open, on Windows 11 Home/Pro?
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#12
AusWolf
Of course it uses less RAM. It has literally nothing in it. :roll:
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#13
lexluthermiester
LastDudeALiveYou have 2.9GB usage, with 16GB (or more) of RAM, with Firefox open, on Windows 11 Home/Pro?
On this system I have 32GB of RAM. And yeah that's it.
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#14
TheinsanegamerN
ShihabThey are not the design case for a linux-running machine then.
This is the locked down walled garden way of looking at it. Why shouldnt you run Windows on the steam deck? There's no law it needs to only run linux. It's not a locked down system.
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#15
Frick
Fishfaced Nincompoop
lexluthermiesterWho came up with that daffy number?!? I have 7 different things running right now, including a video editor, and my usage is sitting at just over 7.9GB, uncompressed. On the desktop with nothing but Firefox running it's 2.9GB.
My laptop is currently on 8.4GB, 1.2GB of which is Firefox. Maybe if I kill absolutely everything that is running in the background (and maybe even reboot) I can get it down to similar numbers, but it's also pretty uninteresting to do.
lexluthermiesterLooks like microsoft is grasping at straws to sell the "Full Screen Experience". Kinda sad.
This is an MSI thing though, specifically relating to their handheld.
Posted on Reply
#16
TheinsanegamerN
LastDudeALiveCrazy how Microsoft's solution to Windows 11's bloat is to just stop running parts of the OS instead of making it run better.
Pople want Windows to release a stripped down OS with the bloat removed then complain when Windows releases a mode that strips down the bloat.

Some people are just going to complain no matter what you do.
Posted on Reply
#17
TechLurker
ShihabThey are not the design case for a linux-running machine then.
TBF, Steam outright stated users can do whatever they want with their mini-computer. So if someone wants to turn it into a Win11 box then run XFSE in order to play some non-Linux compatible games, then so be it.
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#18
harm9963
Don't need it, CPU usage matters more to me and processes,.
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#19
thepath
lexluthermiesterWho came up with that daffy number?!? I have 7 different things running right now, including a video editor, and my usage is sitting at just over 7.9GB, uncompressed. On the desktop with nothing but Firefox running it's 2.9GB.

Regardless, let's presume that 8.6GB is legit, 9% = <850MB.

Looks like microsoft is grasping at straws to sell the "Full Screen Experience". Kinda sad.
Maybe because 16GB ram in handheld is shared between iGPU and CPU.... maybe iGPU is eating some of the RAM ??!
Posted on Reply
#20
R-T-B
TheinsanegamerNSome people play games that are not compatible with Linux.
Fewer and fewer by the day. But for those yes you can run whatever you want.
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#21
Hecate91
LastDudeALiveCrazy how Microsoft's solution to Windows 11's bloat is to just stop running parts of the OS instead of making it run better.
Microsoft needs to do both remove bloat and make it better, IMO they should've given up on 11 and went back to Windows 7 as a base.
TheinsanegamerNThis is the locked down walled garden way of looking at it. Why shouldnt you run Windows on the steam deck? There's no law it needs to only run linux. It's not a locked down system.
I don't see why you'd want to run Windows on a handheld, SteamOS is fine for most of the games I would want to play on a smaller screen without a keyboard and mouse.
harm9963Don't need it, CPU usage matters more to me and processes,.
Are you using Windows de-bloated? The point of the full screen experience is less ram usage on handhelds for most people who aren't tinkering around in regedit.
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#22
Onasi
“When the system operates in standard Windows 11 desktop mode, it consumes 8.6 GB of RAM. However, with Xbox FSE enabled, RAM usage drops to 7.6 GB, a 9.3% reduction.”

Wait, what the fuck? Is that at idle? What do they have running on those MSI devices? My idle desktop on Win 11 is, like, 2 gigs. That’s with 32 gigs of RAM. I assume they counted VRAM allocation into that for the APU? Still, that’s insane.
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#23
TheinsanegamerN
R-T-BFewer and fewer by the day. But for those yes you can run whatever you want.
I hate to tell you this, but you do realize that even on Steam, linux users are a very, VERY small minority, right? 96% of the gaming market runs Windows.
Hecate91Microsoft needs to do both remove bloat and make it better, IMO they should've given up on 11 and went back to Windows 7 as a base.
Windows 7 Is the base for 8, which is the base for 10, which is the base for 11.

Going back to 7 and re doing 15 years of work will lead you right back to 11.
Hecate91I don't see why you'd want to run Windows on a handheld, SteamOS is fine for most of the games I would want to play on a smaller screen without a keyboard and mouse.
Because there are games that dont run on Linux that people want to run? I dont see why Linux users cannot comprehend this.

Like, I dont see why you would waste your money on a handheld when they provide inferior experiences then desktops, they're heavy, bulky, their batter life sucks, ece. The way I handle that is not buying one. What I dont do is go online and ask why anyone is buying these things since I dont like them.

There are plenty of Windows handhelds out there, and people buy them.
Posted on Reply
#24
R-T-B
TheinsanegamerNI hate to tell you this, but you do realize that even on Steam, linux users are a very, VERY small minority, right? 96% of the gaming market runs Windows.
No shit, but that wasn't the stat you were referencing. You were talking about games that "only run on windows" of which there are very few these days.
TheinsanegamerNThere are plenty of Windows handhelds out there, and people buy them.
Not in the quantities that the steam deck sells, I'd wager.
Posted on Reply
#25
Hecate91
TheinsanegamerN96% of the gaming market runs Windows.
Not by choice though, if gamers knew of an alternative like SteamOS, I'm sure some would give it a try.
TheinsanegamerNWindows 7 Is the base for 8, which is the base for 10, which is the base for 11.

Going back to 7 and re doing 15 years of work will lead you right back to 11.
All of the work past 10 just seems unnecessary, IMO. No one wants or needs all of the crap and bloat with 11.
TheinsanegamerNBecause there are games that dont run on Linux that people want to run? I dont see why Linux users cannot comprehend this.

Like, I dont see why you would waste your money on a handheld when they provide inferior experiences then desktops, they're heavy, bulky, their batter life sucks, ece. The way I handle that is not buying one. What I dont do is go online and ask why anyone is buying these things since I dont like them.

There are plenty of Windows handhelds out there, and people buy them.
Such as?
A SteamOS/Linux handheld is a better experience for a handheld, like you can put the device on sleep mode and it's not going to consume the whole battery or randomly power back on to force an update, once you power it back on, resuming a game works a lot better than it does on Windows.
It seems like you want desktop gaming in a handheld and none of them deliver that experience, ironically enough you're asking why people want SteamOS on a handheld because you don't like SteamOS/Linux.
People are buying Windows handhelds because it's the familiar branding of Xbox, most people seeing a Steam Deck in a store won't know what SteamOS is.
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