← Everything the RX 7800 XT runsRX 7800 XT · gpt-oss 20B

Can the RX 7800 XT run gpt-oss 20B?

Yes. gpt-oss 20B needs about 16 GB and the RX 7800 XT has 16 GB of VRAM. Expect about 110 tok/s, faster than you can read.

ollama run gpt-oss:20b

First time? Install Ollama, then paste that into a terminal.

gpt-oss 20B needsAbout 16 GB
RX 7800 XT has16 GB VRAM
Bandwidth624 GB/s
Estimated speed~110 tok/s
Want it faster?

Speed comes from memory bandwidth: the card reads all 2 GB of active weights for every token. Cards that run gpt-oss 20B faster:

How we estimate

Speed is roughly memory bandwidth divided by the weights read per token, calibrated on our own rack. Sizes are Ollama's default 4-bit downloads plus about 1.2 GB for context. Real results are usually within about a third. Measured it yourself? Send us the number.

Keep going

More about the RX 7800 XT and gpt-oss 20B