A report by Igor Wallossek claims that the Radeon RX 5600 XT will land within the third week of January 2020. The German publication additionally reveals the potential specs for AMD’s looming Navi-powered graphics card.
Wallossek’s sources hinted that AMD might very well be rewarming the Navi 10 silicon, which is contained in the Radeon RX 5700 and RX 5700 XT, for the Radeon RX 5600 XT. The chip manufacturer would wish to cut down the die to prevent any product cannibalism.
The Navi 10 die houses two Shader Engines (SEs), and there are two Asynchronous Compute Engines (ACEs) inside each Shader Engine. Based on Igor’s Lab, it is doable to disable one of the four ACEs, which successfully deactivate 1/4th of the Navi 10 silicon.
A completely unlocked Navi 10 die features 40 RDNA Compute Items (CUs), which comes all the way down to a total of 2,560 Stream Processors (SPs), 160 texture mapping units (TMUs) and 64 render output units (ROPs).
Assuming that AMD goes down this path, the Radeon RX 5600 XT is prone to have 30 RDNA CUs, 1,920 SPs, 120 TMUs, 48 ROPs, and 3MB of L2 cache. Theoretically, the Radeon RX 5600 XT can carry out as much as 75% of a Radeon RX 5700 XT at the same clock speeds. Hence, the Radeon RX 5600 XT is a replacement for the dated Radeon RX Vega 56 at best.
The Radeon RX 5600 XT reportedly is available in 6GB and 8GB GDDR6 flavors. Disabling an ACE further means reducing off one of the memory controllers. Consequently, the Radeon RX 5600 XT is restricted to a 192-bit memory interface, so the reminiscence choices seem affordable.