Recent comments in /f/gadgets

Iintl t1_jdgxcvz wrote

It's not. TB3 enclosures have been known to offer significantly worse performance than plugging it in directly into a desktop, and the performance difference only increases as GPUs get more and more powerful (and demand greater bandwidth). Off the top of my head, a moderately powerful GPU like the RTX3080 could see anywhere from 20% to 50% performance drop when put into an eGPU enclosure.

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G1ntok1_Sakata t1_jdgoorq wrote

Thing is that 40Gbps is only 1.25x the bandwidth of x8 PCIe gen2 speeds. Accounting for USB overheard I wouldn't be surprised if it was equal or just barely above x8 PCIe gen2 bandwidth. Remember on release of the RX6500 it got flack for being x4 only as it got a huge perf hit on x4 PCIe gen3? Note that x4 PCIe gen3 happens to be about the same bandwidth as x8 PCIe gen2. 40Gbps is pretty tiny, esp if there is overhead to deal with.

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