3 ms·
They don’t get their absurd profit margins by cannibalising their data centre chips. This is like Intel and their refusal to support ECC memory; when AMD does
by dannyw 3y ago
They don’t get their absurd profit margins by cannibalising their data centre chips.
This is like Intel and their refusal to support ECC memory; when AMD does on nearly all Ryzens.
—
Note: your laptop is probably using a 64-bit memory bus for system RAM. For GPUs, the 4090 is 384-bit. That takes up a lot more die area for the bus and memory controller.
- versteegen 3y agoBut GP's laptop with 96GB of unified memory would be a M2 Max Macbook or better. The M2 Max has a 4 x 128-bit memory bus (410GB/s) and the M2 Ultra is 8 x 128bit (819GB/s), versus a 4090 at 1008GB/s. But see here for caveats about Mac bandwidth: https://news.ycombinator.com/item?id=38811290 https://news.ycombinator.com/item?id=38811290