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Llama 4 Scout 17B-16E Instruct on the RX 9070

Llama 4 Scout 17B-16E Instruct at Q4_K_M needs about 68.6 GB: the RX 9070 (16 GB) cannot run it well, even with system RAM. At Q3_K_M it does not fit in VRAM.

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Llama 4 Scout 17B-16E Instruct

Q4_K_M · 8K context

Incompatible

The model needs about 68.6 GB; VRAM plus usable RAM give 66.7 GB. 1.9 GB are missing.

Your hardware
RX 9070 16 GB · 64 GB RAM
Estimated memory
~68.6 GB estimate
VRAM (usable memory)
15.5 GB
GPU only
No
CPU/GPU offload
Required (51.2 GB)
Generation speed
Not available
Largest context in fast memory
None
Confidence: high

Memory breakdown

~68.6 GB (66.9 GB–70.4 GB) needed · estimate

Does not fit · 1.9 GB missing

  • Model weights62.9 GB
  • KV cache1.5 GB
  • Runtime overhead1 GB
  • Safety margin3.3 GB
Assumptions: context 8K tokens · KV cache f16 · llama.cpp (ROCm) · flash attention on · weights = real file size

EstimateData updated 24 days agoSource: Run LLM Locally engine, Hugging Face config.json + model card

What makes this estimate less reliable

  • split CPU/GPU runs vary a lot with the CPU and PCIe link
  • system RAM speed unknown (dual-channel DDR4-3200 assumed)
  • mixture-of-experts: speed depends on expert routing

Other quantizations on the RX 9070

Llama 4 Scout 17B-16E Instruct on RX 9070 + 64 GB RAM · 8K context
Llama 4 Scout 17B-16E Instruct Q8_08K~113 GB · No dataIncompatible
Llama 4 Scout 17B-16E Instruct Q6_K8K~89.1 GB · No dataIncompatible
Llama 4 Scout 17B-16E Instruct Q5_K_M8K~77.4 GB · No dataIncompatible
Llama 4 Scout 17B-16E Instruct Q4_K_M8K~68.6 GB · No dataIncompatible
Llama 4 Scout 17B-16E Instruct IQ4_XS8K~61.2 GB · 2.5–5 tok/s estimatePossible but slow
Llama 4 Scout 17B-16E Instruct Q3_K_M8K~55.7 GB · 3–5.5 tok/s estimatePossible but slow

Alternatives

GPUs that run Llama 4 Scout 17B-16E Instruct Q4_K_M entirely in VRAM

Other models that fit the RX 9070

Hardware that runs Llama 4 Scout 17B-16E Instruct Q4_K_M entirely in memory

Prices and links follow the market you choose.

Radeon PRO W7900

AMD

ExcellentRuns Llama 4 Scout 17B-16E Instruct Q4_K_M entirely in memory

Price not available

Availability unknown

View on amazon.com

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NVIDIA DGX Spark (GB10)

Unified memory PC

ExcellentRuns Llama 4 Scout 17B-16E Instruct Q4_K_M entirely in memory

Price not available

Availability unknown

View on amazon.com

Affiliate link

No current offer imported for this market: the link opens a marketplace search.

Frequently asked questions

Can the RX 9070 run Llama 4 Scout 17B-16E Instruct?
The model needs about 68.6 GB; VRAM plus usable RAM give 66.7 GB. 1.9 GB are missing.
Which quantization should I use on the RX 9070?
None fits entirely in VRAM at 8K context; the smallest, Q3_K_M, still needs offload.
What is the largest context on the RX 9070?
At Q4_K_M, the model does not fit entirely in VRAM even at a short context.