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Yes, these are both chiplet GPUs. As you may remember, the Radeon RX 7600 is based on a very small monolithic GPU (Navi 33, 204 mm²), though it is officially an RDNA 3 product. These new Radeon cards are based on AMD’s chiplet architecture, just as the RX 7900 XTX and RX 7900 XT are, built using a TSMC 5N (GPU core) and 6N (memory chiplets). Both of these new GPUs also make use of a full 16 lanes of PCI Express 4.0, as in many ways we will find these to have a lot in common with the RX 7900 GPUs, and virtually nothing in common with the product called RX 7600.
However, GPU chiplets vs. monolithic die architecture, total number of PCI Express lanes, power draw, etc. are immaterial next to the great driving forces of all GPU discussion in 2023: VRAM and price! As to VRAM, AMD is repeating the formula from the RX 6000 Series, with the RX 7800 XT offering the same 16 GB of GDDR6 we saw with the RX 6800 XT, and the RX 7700 XT mirroring the 12 GB found in the RX 6700 XT. And now, pricing…
Pricing and Availability
Here is AMD’s slide:
