estimate
Can I run Meta Muse Spark Open on an RTX 4090?
No: needs ~471.8 GB, this card has ~23.4 GB usable (estimate)
speed: not estimated for MoE yet
MLX: Apple Silicon only
Can I run Meta Muse Spark Open on an RTX 4090? No: needs ~471.8 GB, this card has ~23.4 GB usable (estimate). About 471.8 GB at Q4_K_M (estimate).
VRAM per quant for Meta Muse Spark Open
Updated . The later of the hardware price date and the formula date.
| Quant | Context | Weights | KV | Overhead | Total | Usable | Fit |
|---|---|---|---|---|---|---|---|
| Q4 Q4_K_M | 8,192 tokens | 470.1 GB measured GGUF file size | 0.9 GB estimate | 0.8 GB estimate | 471.8 GB estimate | 23.4 GB estimate | no |
| Q5 Q5 (~0.71 bytes/param) | 8,192 tokens | 579.4 GB estimate | 0.9 GB estimate | 0.8 GB estimate | 581.1 GB estimate | 23.4 GB estimate | no |
| Q8 Q8 | 8,192 tokens | 873.1 GB estimate | 0.9 GB estimate | 0.8 GB estimate | 874.8 GB estimate | 23.4 GB estimate | no |
| FP16 FP16 | 8,192 tokens | 1,632.0 GB estimate | 0.9 GB estimate | 0.8 GB estimate | 1,633.7 GB estimate | 23.4 GB estimate | no |
| Q4, longer context | 32,768 tokens | 470.1 GB measured GGUF file size | 2.5 GB estimate | 0.8 GB estimate | 473.4 GB estimate | 23.4 GB estimate | no |
Formula estimate, not a benchmark. Method →
Cheapest catalog option that fits at Q4
No catalog row fully fits at Q4 (estimate).
This hardware
$2,446€2,185
used (median of sold listings)
price as of 16 Oct 2026
new (lowest in-stock EU): $4,243€3,790. GPU PRIX. Current low €3,790, MSI Gaming X Slim, Belgium. Page last updated 15 Oct 2026, checked 16 Oct 2026. In-stock boards in that table start at €3,990.
pcprice.watchUsed median €2,185, typical €2,074–€2,290, 111 sales, updated 16 Oct 2026. Not an EU retail listing.
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Meta Muse Spark Open on RTX 4090
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Questions
- Can I run Meta Muse Spark Open on an RTX 4090?
- No: needs ~471.8 GB, this card has ~23.4 GB usable (estimate).
- How much memory does Meta Muse Spark Open need at Q4?
- About 471.8 GB at 8,192 tokens (estimate): 470.1 GB weights (measured GGUF file size), 0.9 GB KV cache, 0.8 GB overhead.
- How fast is Meta Muse Spark Open on RTX 4090 (estimate)?
- speed: not estimated for MoE yet
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