PS5 Games on Xbox Series X? How PS5X Breaks Console Barriers

David (0:00)

Welcome, everyone, to techdaily.ai. I'm your host, David.

Sophia (0:03)

And I'm Sophia. Really excited to be here to talk about this today.

David (0:08)

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Sophia (0:20)

So where do we start with this one?

David (0:23)

Well, think about a map of the world. Borders are usually drawn as these thick, definitive black lines, you know?

Sophia (0:30)

Right. But if you actually go there, it's just land.

David (0:33)

Exactly.

If you stand on the exact spot where one country ends and another begins, there's usually no line on the ground. The barrier is entirely invisible.

Sophia (0:42)

It's just a legal construct, yeah.

David (0:44)

We've been conditioned to view our technology with those same impenetrable lines, like Sony is over here and Microsoft is over there.

Sophia (0:52)

Definitely. Two totally separate worlds.

David (0:55)

But today, we are exploring a scenario that completely erases those lines. A developer named Devran Cosmo-Unal managed a feat that just breaks all the rules of modern gaming ecosystems.

Sophia (1:07)

He really did.

David (1:09)

I mean, he natively booted up a PlayStation 5 game on an Xbox Series X.

Sophia (1:14)

Okay, let's unpack this because that sounds literally impossible.

David (1:18)

Yeah, it sounds like a prank, but it's real. He had the PS5 version of Quake II running on Microsoft's flagship hardware.

Sophia (1:26)

He was just controlling it natively with an Xbox controller?

David (1:29)

Yeah, perfectly mapped out. The implications here are just fascinating because it challenges our entire perception of what a console actually is.

Sophia (1:38)

Seriously? He did this using a project called PS5X, right?

David (1:42)

Right, which is actually an Xbox port of an open-source PC emulator known as Kitee PS5.

Sophia (1:50)

So, when I first looked at this, my immediate thought was about the architecture. Like, why wouldn't the Xbox operating system just instantly reject that alien code?

David (1:59)

Well, you have to look at the silicon under the hood.

Sophia (2:02)

Yeah, because we aren't in the era of the PlayStation 3 anymore with that highly proprietary cell processor or the Xbox 360's PowerPC architecture.

David (2:10)

Exactly. If we strip away the plastic shells, Sony and Microsoft built their current consoles using incredibly closely matched AMD hardware.

Sophia (2:20)

They're practically twins, right? Both use 8 Zen 2 CPU cores, Rdna 2 graphics, and 16 gigs of GDDR6 memory.

David (2:30)

Yeah, they are basically highly specialized, standardized personal computers at this point.

Sophia (2:36)

Built on that standard x86-64 processor architecture.

David (2:40)

Exactly. And because they share that foundational architecture, the software doesn't actually need to emulate the physical hardware in the traditional sense.

Sophia (2:49)

It's like taking two people who are raised speaking entirely different languages, but realizing their brain structures are exactly the same.

David (2:56)

That's a great way to put it. When we look at older emulation, the host machine had to dedicate massive amounts of computing power to create a virtual fake version of those legacy chips.

Sophia (3:08)

Completely in software, yeah.

David (3:09)

Right. But KiD PS5 isn't a traditional emulation.

It operates as a compatibility layer.

Sophia (3:16)

So, it's more like a live translator for system calls.

David (3:19)

Exactly. Since the underlying x86 brain of the Xbox already understands the fundamental machine language, it doesn't need a virtual CPU.

Sophia (3:28)

So, when the PS5 game executes a command, this compatibility layer just intercepts it.

David (3:33)

Yeah. It intercepts the OS specific instruction, repackages it into something the Windows-based Xbox environment understands, and just hands it directly to the host CPU.

Sophia (3:44)

Wow. And the translation process is efficient because of that, right?

David (3:48)

Highly efficient. On the CPU side, yeah. It operates a lot like how Wine works for running Windows apps on Linux.

Sophia (3:54)

Oh, right. Because the processor natively speaks the same language anyway.

David (3:58)

Exactly.

The CPU overhead is minimal.

But the complexity really ramps up when we move away from the CPU and look at the graphics rendering pipeline.

Sophia (4:07)

Because that's where the hardware harmony ends and the software friction begins.

David (4:11)

Yeah. UNO faced a massive architectural bottleneck there.

Sophia (4:14)

Right. The graphics API mismatch. Normally, when a PS5 game talks to the GPU on PC, KiDi PS5 translates those Sony commands into Vulkan 1.3.

David (4:24)

Vulkan is great on a PC. It's cross-platform, highly efficient, so that works smoothly.

Sophia (4:28)

But the Xbox Developer Mode, which is the sandbox you had to run this in, has absolutely zero support for Vulkan.