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Can Ryzen AI Max+ 395 64GB run gemma-4-26B-A4B-it-AWQ-4bit?

AMD · 48 GB LPDDR5X · 215 GB/s bandwidth · cyankiwi · 26.6B · model ctx up to NoneK

✅ Yes — Ryzen AI Max+ 395 64GB (48 GB) can run gemma-4-26B-A4B-it-AWQ-4bit at Q4 (8K)
VRAM: 20.95 GB needed of 48 GB
Speed: ~8.3 tok/s (estimated)
CC · WorkableComposite score: VRAM headroom × 0.5 + tok/s speed × 0.5. Q4 @ 8K context.
ROCM
Estimates from memory-bandwidth formula; rows marked "measured" override. Methodology.

Fit & speed by quant and context

QuantContextVRAM neededFits?tok/s (decode)
Q44K18.29 GBYes8.3 ± est.
Q48K default20.95 GBYes8.3 ± est.
Q432K36.91 GBYes8.3 ± est.
FP164K56.86 GBNo2.9 ± est.
FP168K default59.52 GBNo2.6 ± est.
FP1632K75.48 GBNo1.6 ± est.

Fits = weights + KV(ctx) + 1 GB overhead ≤ 95% of VRAM. Measured anchors are context-agnostic; the fit verdict is recomputed per context. A missing tok/s means the model is far beyond this card (offload-only territory).

VRAM breakdown at 8K context

QuantWeightsKV cacheOverheadTotal neededRyzen AI Max+ 395 64GB VRAM
Q414.63 GB5.32 GB1 GB20.95 GB48 GB
FP1653.2 GB5.32 GB1 GB59.52 GB48 GB

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