Back to AMD, we take a look at the brand’s future RX 8000s, as Kepler_L2 tells us more about the memory configurations for the future RX 8000s. Everything from VRAM type, bus width and bandwidths… Not to mention the amount of Infinity Cache. So, what are we dealing with?
RX 8000: what about VRAM ?
Broadly speaking, this new series will feature two major GPUs: Navi 48 and Navi 44. Here, AMD would not be concentrating on the ‘enthusiast’ segment, but would be offering more streamlined cards targeting the mid-range/high-end sectors. Moore’s Law is Dead is quick to point out that the company’s aim is to offer products that focus on the performance/consumption and performance/price ratios in ray tracing. Moreover, we have seen(here and here) that the company should be proposing numerous improvements in this area.
As far as memory is concerned, unfortunately the cards won’t benefit from new-generation memory chips aka GDDR7, as we’ll be sticking with GDDR6. In terms of chip configuration, as we saw here, the Navi 48 is said to come with a 256-bit memory bus, enabling 16GB configurations. However, in terms of speed, rumours point to a Navi 48 XTX with 20 Gbps chips (640 GB/s bandwidth). A quieter version of the chip, the Navi 48 XT, would run with slower memory at 18 Gbps (576 GB/s bandwidth). Finally, the smaller Navi 44 would offer a 192-bit bus (12 GB of memory) and memory at 19 Gbps, or 456 GB/s of bandwidth.
Finally, in terms of Infinity Cache, the Navi 48 XTX/XT is said to have 64 MB, compared with 48 MB for the Navi 44.