Can I Run Llama 4 Scout 17B on AMD Ryzen AI Max+ 395?
Written by Jakub Rusinowski · Last updated July 12, 2026
Yes. Llama 4 Scout 17B needs 68.2 GB at 8K context (65.8 GB weights + 2.4 GB KV cache/overhead) at Q4_K_M and the AMD Ryzen AI Max+ 395 has 128 GB, leaving about 59.8 GB of headroom, at roughly 14 tok/s (estimated) with room for up to 256K of context.
See what else this hardware can run →
The numbers
| Model | Llama 4 Scout 17B |
| Parameters | 17B active / 109B total |
| Quantization | Q4_K_M |
| VRAM needed (8K context) | 68.2 GB |
| AMD Ryzen AI Max+ 395 VRAM | 128 GB |
| Verdict | Runs |
| Max context | 256K |
| Estimated speed | ~14 tok/s |
Llama 4 Scout 17B on the AMD Ryzen AI Max+ 395: VRAM by quantization
| Quant | VRAM needed | Fits 128 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 220.4 GB | ✗ No | — | — |
| Q8_0 | 118.2 GB | ✓ Yes | 32K | — |
| Q6_K | 91.8 GB | ✓ Yes | 128K | — |
| Q5_K_M | 79.7 GB | ✓ Yes | 128K | — |
| Q4_K_M | 68.2 GB | ✓ Yes | 256K | — |
| Q3_K_M | 48.9 GB | ✓ Yes | 256K | — |
| Q2_K | 38.2 GB | ✓ Yes | 256K | — |
Assumes an 8K-token context with an f16 KV cache. A longer window needs more; a quantized KV cache needs less. “Max context” is the largest window that still fits in 128 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
Context costs VRAM too. At Q4_K_M on the AMD Ryzen AI Max+ 395: 8K 68.2 GB · 32K 73.1 GB · 128K 92.4 GB. Every window this model publishes still fits 128 GB.
What to do next
Nothing to change — run it at Q4_K_M. If you want more capability, check whether the next size up also fits.
No compatible GPU? Llama 4 Scout 17B on 48 GB of system RAM, CPU only: runs, but it is tight.
Running Llama 4 Scout 17B on this card:
Llama 4 Scout 17B needs ~68 GB but this GPU has 128 GB. Rent a A100 (80 GB)-class GPU by the hour instead of buying one:
Affiliate links — we may earn a commission if you sign up, at no extra cost to you.
Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
Other Llama 4 sizes on the AMD Ryzen AI Max+ 395
- Llama 4 Maverick 17B — does not fit (243.9 GB)
Llama 4 Scout 17B on nearby hardware
- NVIDIA RTX PRO 6000 Blackwell (96 GB) — runs
- Apple M3 Ultra (512 GB) — runs
All Llama 4 sizes on the AMD Ryzen AI Max+ 395 | Llama 4 Scout 17B model page | AMD Ryzen AI Max+ 395 GPU page | VRAM calculator | Check your hardware