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Little is known about the future AMD graphics hardware based on the new Navi architecture, but a number of leaks and driver versions are starting to focus the project. Navi is the code name of the new Radeon video cards based on the new 7nm processing technology, enabling more rendering power and increased efficiency – and it's also the architecture confirmed for use in the Sony's next PlayStation 5 GPU.
Beyond this, the official details on the technology are a little meager on the ground. All we really know is that, like Vega, the new architecture is coming late to the market, while the AMD roadmaps only refer to the support of "new generation memory". Beyond the next AMD GPU releases, the next phase of development refers to a next-generation architecture, suggesting that Navi is based on the same GCN (Graphics Core Next) foundation as hardware dating back to the Radeon HD 7970 of 2011. This confirmation was confirmed by the Linux drivers released this week, explicitly linking the Navi codename to the GCN architecture, according to this Phoronix report.
It remains to be seen how the core has been improved compared to Vega and its previous GCN stabilizers, but PCB leakage Komachi Ensaka via a message now deleted on a Chinese forum reveals a brand new unprecedented card design, branded AMD brand. The cards shown in the photos do not contain silicon, but you can get a lot of information. First, the memory side pin configuration confirms that the new AMD GPU will be associated with the GDDR6 modules. A memory of 16 GB – or more likely 8 GB – will be coupled to the new core and, depending on the memory speeds established, a total of 348 GB / s or 448 GB / s bandwidth seems likely, running on an interface 256 bits. The speed we get depends on the specification of the GDDR6 proposed by AMD.
Other notable aspects of the card include the configuration of the eight-phase VRM and the two eight-pin power inputs. If it's an example of an engineering map, a powerful power supply configuration like this one can simply be in place to put the new silicon back into the system. test. However, this is a question of whether it is a consumer AMD reference card – as the configuration suggests that a standard 'blower' design with a single fan can be used as a cooling solution, which rarely works well for users. Radeon material. In terms of I / O, AMD is looking to the future with this new card, with support for both DisplayPorts, HDMI and a VirtualLink USB-C for VR headsets, though, while Nvidia RTX cards are an indication, this port can also be doubled. standard USB-C port for other devices.
As the map itself is empty, there is nothing more to glean – although Komachi Ensaka is visiting the region and is learning more about AMD's Radeon 7 at 7 nm that the new silicon could to be around 200 to 230 mm.2 in size, extrapolating an approximate number of 3072 shaders, or 48 calculation units. Beyond that, gaming performance depends on factors such as the main clock frequencies and the efficiency of the drivers, but for a long time, the first Navi version of AMD was launched to replace the Polaris silicon contained in Radeon RX 480/580 / 590, with the notion of Navi offering a price / performance ratio winner before a more powerful variant of "big processor" does not arrive later.
Navi is an important technology for 2019 and we will follow it closely. This is the basis of AMD's response to Nvidia in the central player space, while the same architecture – under a custom look – is designed for integration into PlayStation 5. However, despite the latest information, nature Vega still remains mysterious. We will report as soon as more details appear.
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