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Can I run this LLM?

Can a AMD RX 7900 XTX (24GB) run Nemotron 3.5 Lightning 30B-A3B (MoE)?

Nemotron · openmdw-1.1 · estimated for a 24.0 GB machine at 4K context.

Yes, but it's tight.

Tight / slow

Best fit: Nemotron 3.5 Lightning 30B-A3B (MoE) at Q3_K_M · 19.8 GB weights · 188–282 tok/s on a AMD RX 7900 XTX (24GB).

Arena Text Overall · style-controlled

UnratedAmbiguous match

Ambiguous Arena identity; unrated

Arena identity is ambiguous. The published NVFP4 configuration differs from generic local GGUF quantizations. No rating is assigned or used for ranking. Local quantization quality is unmeasured.

Snapshot published 2026-10-08 · snapshot imported 2026-10-11 UTC · validated last-good data · manual refresh

Arena leaderboard dataset · Arena / lmarena-ai, Arena Leaderboard Dataset (CC BY 4.0). Selected Text Overall style-controlled rows; field names adapted, ratings unchanged. · dataset CC BY 4.0 · revision e16f90232986

Total memory at 4K context
20.6 GB
Weights + KV cache + runtime overhead
Estimated generation
188–282 tok/s
Estimated first token
~0.3s

Every quantization on this machine

On small screens, each quant lists every metric below its name. On wider screens, scroll sideways for total memory, speed and fit. Keyboard: focus the table, then use the arrow keys. Quant names stay visible.

Nemotron 3.5 Lightning 30B-A3B (MoE) quantizations on AMD RX 7900 XTX (24GB), estimated at 4K context. Weights and total memory are shown separately.
QuantWeightsTotal memorySpeedFit
Q2_K18.9 GB19.7 GB192–289 tok/sTight / slow
Q3_K_M19.8 GB20.6 GB188–282 tok/sTight / slow
Q4_K_M25.5 GB26.3 GB— not residentWon't fit
Q5_K_M27.0 GB27.8 GB— not residentWon't fit
Q6_K34.3 GB35.1 GB— not residentWon't fit
Q8_035.0 GB35.8 GB— not residentWon't fit
FP1665.9 GB66.7 GB— not residentWon't fit

Ran Nemotron 3.5 Lightning 30B-A3B (MoE) on a AMD RX 7900 XTX (24GB)? Add your real numbers →