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Can RX 7600 8GB run Qwen3-8B?

AMD · 8 GB GDDR6 · 288 GB/s bandwidth · Alibaba · 8.2B · model ctx up to 128K

✅ Yes — RX 7600 8GB (8 GB) can run Qwen3-8B at Q4 (8K)
VRAM: 7.15 GB needed of 8 GB
Speed: ~22.4 tok/s (estimated)
BB · GoodComposite 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)
Q44K6.33 GBYes22.4 ± est.
Q48K default7.15 GBYes22.4 ± est.
Q432K12.07 GBNo27.9 ± est.
FP164K18.22 GBNo3.4 ± est.
FP168K default19.04 GBNo3.1 ± est.
FP1632K23.96 GBNo1.9 ± 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 neededRX 7600 8GB VRAM
Q44.51 GB1.64 GB1 GB7.15 GB8 GB
FP1616.4 GB1.64 GB1 GB19.04 GB8 GB

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