Can a GMKtec EVO-X2 Ryzen AI Max+ 395 128GB run gpt-oss-20b?
Yes. gpt-oss-20b needs 13.0GB at MXFP4 with llama.cpp and 8K context; the GMKtec EVO-X2 Ryzen AI Max+ 395 128GB has 128GB of unified memory (~75% GPU-addressable) (95.5GB usable) — grade A+, with decode speed in the interactive tier.
GMKtec EVO-X2 Ryzen AI Max+ 395 128GB · gpt-oss-20b · MXFP4
✅ Fits — grade A+
InteractivebetaHybrid attention — KV computed as full-cache upper bound · MoE speed estimate — wide error bars · ROCm/Vulkan performance not yet calibrated
weights 12.1 GBKV cache 0.40 GBoverhead 0.44 GBpool 95.5 GBneeds 13.0 GB
assumes llama.cpp · batch 1 · 8K context · fp16 KV cache
$3,399.99 MSRP · as of 2026-07-11
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Every quant, graded
GMKtec EVO-X2 Ryzen AI Max+ 395 128GB × gpt-oss-20b, llama.cpp, 8K context.
| Quant | File size | Fit | Speed tier |
|---|---|---|---|
| MXFP4 | 12.1 GB | Fits · A+ | interactive · beta |
gpt-oss-20b on similar hardware
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Verdict computed from published specs and measured GGUF file sizes — see how the math works.