Having GPU-like bandwidth doesn't make a chip a GPU. > it seems more likely to have four memory chips, which would result in 2 GB of capacity. Four times 1 Gi

Having GPU-like bandwidth doesn't make a chip a GPU. > it seems more likely to have four memory chips, which would result in 2 GB of capacity. Four times 1 Gigabit is 4 Gigabit, which equals half a Gigabyte: 512 MB. Which was less than the high-end for a desktop GPU 15 years ago. I'm still not seeing any way that this memory configuration is remotely plausible for a GPU today even though it is comparable on one metric.