AMD Readies Radeon RX 7400 and RX 7300 Based on "Navi 33" Silicon
AMD is rumored to be readying two new entry-level desktop GPU models in the Radeon RX 7000 series. These are the RX 7400 and the RX 7300, which probably succeed the RX 6500 XT and RX 6400, respectively. Perhaps the most interesting aspect of the two are the silicon they're based on. Apparently, AMD is carving the two out from its 6 nm "Navi 33," the same chip it uses for its Radeon RX 7600 and RX 7600 XT SKUs.
The "Navi 33" monolithic silicon is based on the RDNA 3 graphics architecture, and has 16 workgroup processors (WGPs), or 32 compute units (CU), worth 2,048 stream processors, 64 AI accelerators, 32 Ray accelerators, 128 TMUs, and 64 ROPs. The silicon is maxed out in the RX 7600 and RX 7600 XT, and we haven't seen anything to suggest the existence of a desktop RX 7500, which means the RX 7400 and RX 7300 could be heavily cut down from the chip, with AMD reducing not just the CU count, but even the 128-bit GDDR6 memory bus width.
The "Navi 33" monolithic silicon is based on the RDNA 3 graphics architecture, and has 16 workgroup processors (WGPs), or 32 compute units (CU), worth 2,048 stream processors, 64 AI accelerators, 32 Ray accelerators, 128 TMUs, and 64 ROPs. The silicon is maxed out in the RX 7600 and RX 7600 XT, and we haven't seen anything to suggest the existence of a desktop RX 7500, which means the RX 7400 and RX 7300 could be heavily cut down from the chip, with AMD reducing not just the CU count, but even the 128-bit GDDR6 memory bus width.
