estimate
Can I run Meta Muse Spark Open on an RX 7900 XTX?
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 RX 7900 XTX? 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
$1,404€1,254
used (3-month median)
price as of 17 Oct 2026
new in stock, €3,972 at GPU PRIX on 17 Oct 2026 (unusually high): $4,447€3,972. GPU PRIX. More than 1.5× the €1,254 3-month median, so this listing is not the headline.
GPU PRIXChecked GPU PRIX on 17 Oct 2026. The page says last updated Oct 17, 2026. The 3-month median is €1,254. The only in-stock board, ASUS TUF Gaming RX 7900 XTX at €3,972, is more than 1.5× that median, so the median is the stored price. The header current low of €43 is a DisplayPort cable, not the card. XFX Speedster was €1,049 and out of stock. MSI Gaming Trio €3,047 and POWERCOLOR Red Devil €3,152 were out of stock. On 16 Oct 2026 the stored new figure was the out-of-stock price, about €1,050. 12-month median €1,101. Not a pcprice.watch sold-listing median.
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Meta Muse Spark Open on RX 7900 XTX
[](https://localllmrig.com/can-i-run/muse-spark-open/rx-7900-xtx?utm_source=badge)
Questions
- Can I run Meta Muse Spark Open on an RX 7900 XTX?
- 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 RX 7900 XTX (estimate)?
- speed: not estimated for MoE yet
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Read next: Building a local LLM rig in the RAMageddon.