According to the latest rumours, the AMD Radeon RX7000 high-end, graphics chip-based Navi 31would use a memory interface of 384 bit compared to the 256 bits initially assumed. This implies that the chip-based mid-range Navi 32 jump to the 256 bit against the initially assumed 192 bits. The most basic range, made of silicon Navi 33it will remain unchanged by remaining in an interface of 128 bit.
This results in a significant improvement in memory bandwidth in the company’s future generation of GPUs, as by using GDDR6 @ 18Gbps memory chips, a Navi 31 GPU can essentially achieve bandwidth of 864 GB/swhile a Navi 32 GPU will reach 576 GB/s. Navi 33 chips will remain at a maximum of 288 GB/s.
Also, according to the latest leaks, the flagship GPU based on the RDNA3 architecture, the AMD Radeon RX 7900 XT, is said to have 1 GCD (Graphics Compute Die) and 6 MCD (Memory Compute Dies), the Navi 31 MCM design could be very different from the previous rumor. Instead of having two calculation matrices, the multi-chip design would only affect the memory subsystem (L3 Cache/Infinity Cache), while the graphics matrix would remain monolithic.
This GPU should offer up to 12288 stream processors at a frequency around 3.00 GHz with 384 MB of infinite cache24GB of 18GB/s GDDR6 memory, offers PCI-Express 5.0 interface and achieves performance around 73 TFLOPs.
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