4 ms·
For the consumer GPUs, PCIe 4.0 x16 has plenty of BW headroom. The full sized x16 is more for stability reasons. Some vendors even put a couple of M.2 slots on
by yvdriess 2y ago
For the consumer GPUs, PCIe 4.0 x16 has plenty of BW headroom. The full sized x16 is more for stability reasons. Some vendors even put a couple of M.2 slots on PCI4/5 GPU board to recuperate the unused PCIe lanes.
- deleted 2y ago[deleted]
- KeplerBoy 2y agoThat's mixing apples with oranges. Some low-end or middle range GPUs really only use 8 lanes, because that's how the chip is designed. Fewer lanes -> less silicon area for the pcie logic needed -> cheaper. The chips which use 16 lanes take advantage of it and can saturate the link.