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Can DGX Spark (GH200 480GB) run OLMo-2-1124-13B-Instruct?

NVIDIA · 480 GB LPDDR5X · 500 GB/s bandwidth · allenai · 13.7B · model ctx up to NoneK

SS · ExcellentComposite score: VRAM headroom × 0.5 + tok/s speed × 0.5. Q4 @ 8K context.
CUDA

Yes — the DGX Spark (GH200 480GB) (480 GB LPDDR5X) can run OLMo-2-1124-13B-Instruct. At Q4 with the default 8K context it needs ≈ 11.28 GB VRAM (weights 7.54 GB + KV cache 2.74 GB + 1 GB runtime overhead), which fits within 480 GB. Decode at Q4/8K: ≈ 23.2 tok/s (estimated, batch 1). FP16 (≈ 31.14 GB) also fits, at ≈ 6.4 tok/s (estimated). Estimates come from memory-bandwidth math; rows tagged measured override estimates. Relative ranking is more reliable than absolute tok/s. Methodology. Buy DGX Spark (GH200 480GB) on Amazon →

Fit & speed by quant and context

QuantContextVRAM neededFits?tok/s (decode)
Q44K9.91 GBYes23.2 ± est.
Q48K default11.28 GBYes23.2 ± est.
Q432K19.5 GBYes23.2 ± est.
FP164K29.77 GBYes6.4 ± est.
FP168K default31.14 GBYes6.4 ± est.
FP1632K39.36 GBYes6.4 ± 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 neededDGX Spark (GH200 480GB) VRAM
Q47.54 GB2.74 GB1 GB11.28 GB480 GB
FP1627.4 GB2.74 GB1 GB31.14 GB480 GB

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