Project Amethyst Explained: The AMD Technology That Could Power PS6

Sony has not officially announced the PlayStation 6 or revealed its specifications. However, it has already offered an unusually revealing glimpse at some of the technology being developed for future PlayStation hardware.

Project Amethyst is a long-term engineering partnership between Sony Interactive Entertainment and AMD. Rather than being the codename for the PS6 itself, it is a collaborative technology project focused on machine learning, ray tracing and more efficient graphics processing.

Some of its early work has already influenced the PS5 Pro. More ambitious technologies—including Neural Arrays, Radiance Cores and Universal Compression—have been discussed in connection with a future console.

That console has not been named, but when PlayStation architect Mark Cerny talks about technology intended for “a future console in a few years’ time,” the obvious candidate is the PS6.

Project Amethyst at a glance

What is Project Amethyst?

Project Amethyst was publicly introduced by Sony in December 2024. Mark Cerny, lead architect of the PS4, PS5 and PS5 Pro, described it as a deeper collaboration between Sony Interactive Entertainment and AMD.

The partnership concentrates on machine-learning technology for graphics and gameplay. Sony contributes its experience of building fixed console hardware and supporting game developers, while AMD contributes its knowledge of GPU architecture, graphics processing and machine-learning acceleration.

This is more significant than Sony simply purchasing an existing AMD processor.

The two companies are jointly researching technologies that can influence future AMD graphics architectures, PlayStation hardware and the tools developers use to create games. According to the official PlayStation technical presentation, the aim is to combine their experience and make machine-learning graphics more practical for game developers.

Project Amethyst therefore covers both hardware and software. It could influence what is physically built into a future PlayStation GPU, but it also includes algorithms and development libraries that determine how games use that hardware.

Why is it called Project Amethyst?

The name is a reference to the two companies involved.

AMD is commonly associated with the colour red, while Sony and PlayStation are associated with blue. Combining red and blue produces purple—the colour of amethyst.

It is simply the name of the collaboration. It should not be confused with the console’s internal codename or treated as confirmation that Sony will market any consumer product using the Amethyst name.

Why Sony and AMD are working together

AMD has supplied the core processor technology used by Sony since the PS4 generation.

The PS4 combined AMD CPU and GPU technology inside a custom system-on-chip. Sony continued the partnership with PS5, which uses an AMD Zen 2-based CPU and an RDNA 2-derived GPU. PS5 Pro also uses an AMD-based processor but adds more powerful graphics hardware and dedicated machine-learning capabilities.

Continuing with AMD gives Sony several advantages:

• PlayStation developers already understand AMD-based hardware.
• A related hardware architecture can make backward compatibility easier to achieve.
• Sony can request custom features designed specifically around console workloads.
• Developers can benefit when similar technology appears across consoles and PCs.
• Sony avoids having to design a complete CPU and GPU architecture independently.

AMD’s current RDNA graphics architecture already provides the foundation for modern Radeon GPUs and current PlayStation hardware. Project Amethyst is about helping to shape what comes next.

This ongoing relationship is one reason AMD hardware features prominently in reported and predicted PS6 specifications, although Sony has yet to confirm the console’s final processor.

The three major technologies revealed so far

Sony and AMD have discussed three particularly important areas of research: Neural Arrays, Radiance Cores and Universal Compression.

These are not final PS6 specifications. At the time they were publicly demonstrated, Cerny and AMD’s Jack Huynh stressed that the technologies remained in development and, in some cases, existed only in simulation.

Nevertheless, they provide a useful indication of what Sony wants from its next generation of hardware.

1. Neural Arrays

Neural Arrays are designed to make machine-learning processing more efficient across a GPU.

Traditional graphics processors contain numerous individual compute units. Although these units can perform machine-learning calculations, dividing a large model across many isolated parts of a GPU can be difficult and inefficient.

The Neural Array concept allows a collection of compute units to cooperate as though they were a single, larger artificial-intelligence engine. Instead of each unit working on a small task independently, they can share data and process a larger machine-learning model together.

In practical terms, this could help future PlayStation hardware use more capable AI models without requiring an enormous dedicated processor.

What could Neural Arrays do in games?

Potential uses include:

• Reconstructing a high-resolution image from a lower internal resolution
• Removing visual noise from ray-traced effects
• Generating additional frames between traditionally rendered frames
• Improving textures, hair, reflections and fine environmental detail
• Supporting more advanced character animation or gameplay systems
• Running larger machine-learning models efficiently on console hardware

The immediate benefit would probably be image reconstruction.

A game might internally render at 1080p or 1440p and use a machine-learning model to produce an output resembling a much more expensive 4K image. The processing power saved could then be used for better lighting, denser environments, more detailed characters or a higher frame rate.

Neural Arrays do not mean a PS6 game would be “created by AI.” They are primarily a way of accelerating carefully trained mathematical models used within the graphics pipeline.

2. Radiance Cores

Radiance Cores are specialised hardware intended to improve ray tracing and path tracing.

Ray tracing simulates how light travels through a scene. It can produce more realistic reflections, shadows and indirect illumination, but calculating the path of millions of rays is extremely demanding.

Current AMD GPUs and the PS5 already contain technology that assists with ray-tracing calculations. Radiance Cores appear to take this specialisation considerably further by handling more of the process without relying as heavily on the GPU’s regular compute units.

The work involves more than simply testing where a ray intersects a triangle. Radiance Cores are intended to help manage the traversal of the data structures used to represent a game world. Offloading that work could leave other parts of the GPU available for shading, geometry and effects.

Why this could matter on PS6

The PS5 can already produce ray-traced reflections, shadows and lighting, but developers frequently have to make compromises. Enabling ray tracing may reduce resolution, limit the effect’s quality or force a game to run at 30 frames per second.

More capable dedicated hardware could allow PS6 games to use:

• More rays per pixel
• Longer and more accurate reflections
• Improved indirect lighting
• Better ray-traced shadows
• More dynamic light sources
• More extensive path-traced effects
• Higher frame rates while ray tracing is enabled

That does not guarantee every PS6 game will run with full path tracing. Path tracing remains extremely expensive even on powerful PCs. Radiance Cores could, however, make advanced lighting techniques more realistic for a fixed-price console.

An early technical overview from The Verge reported that the research is aimed at future GPUs capable of handling upscaling, ray tracing and path tracing more efficiently.

3. Universal Compression

Universal Compression is perhaps the least glamorous of the three technologies, but it could be extremely important.

A GPU continuously moves textures, geometry and other information through its memory system. As game assets become more detailed, that movement consumes increasing amounts of memory bandwidth and power.

Existing GPUs already compress some types of data. Universal Compression aims to examine and compress a much wider range of information travelling through the graphics pipeline.

If successful, the GPU would need to move less data to produce the same scene.

Potential advantages include:

• More effective use of available memory bandwidth
• Reduced power consumption
• Less pressure on the console’s memory system
• More detailed textures and geometry
• Better performance from a smaller or more affordable chip
• Improved efficiency for portable gaming hardware

Compression does not necessarily mean games would occupy dramatically less SSD space. This technology primarily concerns how information is stored and moved while the GPU is rendering a frame.

That distinction matters. Universal Compression is about real-time GPU efficiency rather than shrinking a 200GB game download.

How Project Amethyst connects to PSSR

Project Amethyst is not beginning from zero. PS5 Pro already provides a practical example of Sony’s interest in machine-learning graphics.

PlayStation Spectral Super Resolution, better known as PSSR, is Sony’s machine-learning image-reconstruction system. It allows supported games to render internally at a lower resolution and reconstruct a sharper, higher-resolution output.

The original version of PSSR was developed for PS5 Pro before Project Amethyst was publicly announced. However, subsequent improvements have drawn directly on Sony and AMD’s joint work.

Cerny has explained that newer PSSR technology and AMD’s corresponding FidelityFX Super Resolution work share a co-developed core algorithm, even though the final implementations can differ according to the hardware on which they run.

That makes PS5 Pro a useful stepping stone. Sony can test machine-learning reconstruction with real games, identify weaknesses and improve its development tools before more advanced hardware arrives.

The original PSSR has not been flawless. Some games have exhibited shimmering, instability around fine details or difficulty reconstructing transparent effects. Those limitations demonstrate why training better models and developing more suitable hardware matters.

PS6 could combine a more mature reconstruction algorithm with substantially stronger machine-learning acceleration. That would be a more important improvement than merely increasing the console’s raw teraflop figure.

Could Project Amethyst enable AI frame generation?

Sony and AMD’s work extends beyond upscaling.

Machine-learning frame generation creates an additional frame between two traditionally rendered frames. If a game renders at 60fps, the system can analyse motion and generate intermediate images to produce a smoother-looking output.

This can improve visual fluidity without asking the game engine to calculate every additional frame from scratch. However, it does not completely replace native rendering.

Generated frames can introduce visual artefacts, while the underlying game still responds according to its original simulation rate. Latency therefore remains a concern, especially in competitive games.

Sony has confirmed that an equivalent frame-generation library is expected to reach PlayStation platforms, but it has not identified the supported hardware or provided a release date.

PS6 would be an obvious platform for it, particularly if Neural Arrays are incorporated into the console’s GPU, but that remains an inference rather than a confirmed feature.

What Project Amethyst could mean for PS6 games

The most important effect may be that developers can spend performance differently.

Instead of using most of the GPU to render every pixel at native 4K, a developer could render at a lower resolution and reconstruct the final image. That saving could be redirected towards lighting, physics, animation, crowds or frame rate.

A possible rendering process could look like this:

1. The game renders a detailed scene at a lower internal resolution.
2. Radiance Cores accelerate ray-traced lighting and reflections.
3. Universal Compression reduces the bandwidth required to move scene data.
4. Neural Arrays reconstruct a sharper high-resolution image.
5. Machine-learning frame generation may create intermediate frames where suitable.
6. The console outputs a smoother, more detailed image without rendering every pixel conventionally.

This approach would not make processing power irrelevant. Better CPU performance, faster memory and a stronger conventional GPU would still matter. Machine learning would help Sony get more useful output from the available hardware.

It could also make targets such as 4K at 60fps more common. Claims of universal 4K/120fps or native 8K gaming should still be treated cautiously because performance will always depend on a game’s complexity and the choices made by its developer.

Is Project Amethyst confirmed for PS6?

Not by name.

Sony has confirmed that Project Amethyst exists and that its research is intended to influence future graphics technology. Cerny has also discussed bringing the newly revealed technologies to a future console in a few years.

Sony has not officially said:

• That the future console is called PlayStation 6
• Which Amethyst technologies will appear in the finished hardware
• What the PS6 GPU architecture will be
• How many Neural Arrays or Radiance Cores it might contain
• What performance improvement players should expect
• When the console will be released

It is reasonable to connect Project Amethyst with PS6, but it would be inaccurate to present Neural Arrays, Radiance Cores or Universal Compression as finalised PS6 specifications.

Our regularly updated guide to the PS6 release date explains when Sony’s next console is currently expected and which parts of the timeline remain speculative.

Does Project Amethyst improve backward compatibility?

Project Amethyst does not guarantee backward compatibility, but Sony’s continued relationship with AMD could make compatibility easier.

PS4 and PS5 both use AMD-based x86 hardware, and PS5 can run the overwhelming majority of PS4 games. If PS6 uses another custom AMD processor with a related architectural foundation, Sony may be able to preserve compatibility more easily than it could after a radical change of processor family.

Machine-learning reconstruction could potentially improve older games, but this would require software support. PS5 games would not automatically gain new textures, ray tracing or doubled frame rates simply because they were running on newer hardware.

Sony could provide system-level enhancements, developer patches or PS6-specific upgrades, but no such programme has been announced.

Could Project Amethyst also power a PlayStation handheld?

Efficiency is especially valuable in a handheld device.

Portable hardware has strict limits involving battery capacity, heat and chip size. Neural reconstruction could allow a game to render at a lower internal resolution, while Universal Compression could reduce memory traffic and energy consumption.

That makes the Amethyst technologies potentially useful for a future PlayStation handheld as well as a living-room console.

Reports of a native PlayStation handheld remain unconfirmed, however. Project Amethyst should not be taken as evidence that a specific portable product is guaranteed.

Will AMD PC graphics cards benefit too?

Yes, this is an important part of the project.

Sony is not developing every Amethyst technology as a permanent PlayStation exclusive. AMD can incorporate parts of the joint research into its wider graphics roadmap, while PC developers may gain access through AMD’s FidelityFX tools.

Sony benefits because developers are more likely to support a technology that works across multiple platforms. AMD benefits from Sony’s experience with console game development and fixed hardware optimisation.

The results may still differ between platforms. PlayStation can use software customised for one exact console specification, whereas AMD must support a much wider range of PC components.

Project Amethyst: confirmed facts versus speculation

Frequently asked questions

Is Project Amethyst a new PlayStation console?

No. Project Amethyst is the name of Sony and AMD’s engineering collaboration, not a consumer console or confirmed PS6 codename.

Is Project Amethyst already used by PS5 Pro?

Project Amethyst builds on the machine-learning direction established by PS5 Pro and PSSR. Newer Sony and AMD upscaling technology shares co-developed work, but Neural Arrays and Radiance Cores have not been announced as PS5 Pro hardware upgrades.

What are Neural Arrays?

Neural Arrays allow multiple GPU compute units to cooperate on machine-learning workloads as a larger, unified processing engine. They could improve upscaling, denoising and other AI-assisted graphics operations.

What are Radiance Cores?

Radiance Cores are specialised hardware blocks intended to accelerate ray-tracing and path-tracing workloads, reducing the amount of work placed on the GPU’s general-purpose processing units.

What is Universal Compression?

Universal Compression is a proposed system for compressing more of the data moving through a GPU. Its purpose is to reduce memory-bandwidth use and improve power efficiency during rendering.

Does Project Amethyst prove the PS6 is coming soon?

No. It confirms that Sony is researching technology for future hardware, but it does not establish a launch date. Advanced console processors are designed years before the finished product reaches shops.

The bigger picture

Project Amethyst suggests that Sony does not view the next console generation as a simple race for more teraflops.

Traditional CPU and GPU improvements will remain important, but Sony is preparing for a future in which specialised hardware reconstructs images, accelerates lighting and reduces the cost of moving enormous quantities of data.

Neural Arrays could make larger machine-learning models practical. Radiance Cores could make advanced ray tracing less damaging to frame rates. Universal Compression could help Sony achieve more performance without allowing memory bandwidth and power consumption to spiral.

None of these features constitutes a confirmed PS6 specification today. The technology remains under development, and Sony’s final hardware choices are unknown.

Nevertheless, Project Amethyst is currently the clearest official indication of how Sony wants its future console to work. If the research develops as planned, the PS6’s most meaningful advantage may not be its ability to render every pixel through brute force. It may be its ability to produce better-looking, more responsive games by using its hardware far more intelligently.

For the wider picture—including the processor, graphics, memory and storage rumours—see our complete guide to the latest PS6 specifications and hardware reports.