Can I Run Qwen3-Coder on AMD Ryzen AI Max+ 395?
Written by Jakub Rusinowski · Last updated September 29, 2026
Yes, comfortably — Qwen3-Coder-Next (80B-A3B MoE) at Q4_K_M needs 51.6 GB at 8K context (48.3 GB weights + 3.3 GB KV cache/overhead), leaving ~76.4 GB of the AMD Ryzen AI Max+ 395's 128 GB, at ~46 tok/s (est.), with room for up to 128K context.
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AMD Ryzen AI Max+ 395 Specs
| VRAM | 128 GB |
| Memory Bandwidth | 256 GB/s |
Qwen3-Coder-Next (80B-A3B MoE) on the AMD Ryzen AI Max+ 395: VRAM by quantization
| Quant | VRAM needed | Fits 128 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 163.3 GB | ✗ No | — | — |
| Q8_0 | 88.3 GB | ✓ Yes | 128K | — |
| Q6_K | 68.9 GB | ✓ Yes | 128K | — |
| Q5_K_M | 60 GB | ✓ Yes | 128K | — |
| Q4_K_M | 51.6 GB | ✓ Yes | 128K | — |
| Q3_K_M | 37.4 GB | ✓ Yes | 256K | — |
| Q2_K | 29.6 GB | ✓ Yes | 256K | — |
Assumes an 8K-token context with an f16 KV cache, on an estimated architecture — this model publishes no config we can read. 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 51.6 GB · 32K 59 GB · 128K 88.8 GB. Every window this model publishes still fits 128 GB.
No compatible GPU? Qwen3-Coder-Next (80B-A3B MoE) on 96 GB of system RAM, CPU only: runs.
Qwen3-Coder Sizes That Fit the AMD Ryzen AI Max+ 395 (at 8K context)
| Qwen3-Coder-Next (80B-A3B MoE) | Q4_K_M · 51.6 GB at 8K context · ~46 tok/s (est.) |
| Qwen3-Coder 30B-A3B (MoE) | Q4_K_M · 20 GB at 8K context · ~56 tok/s (est.) |
| Qwen3-Coder 8B | Q4_K_M · 6.8 GB at 8K context · ~28 tok/s (est.) |
Qwen3-Coder needs ~52 GB but this GPU has 128 GB. Rent a A100 (80 GB)-class GPU by the hour instead of buying one:
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FAQ
Does the AMD Ryzen AI Max+ 395 have enough VRAM for Qwen3-Coder?
Yes, comfortably — Qwen3-Coder-Next (80B-A3B MoE) at Q4_K_M needs 51.6 GB at 8K context (48.3 GB weights + 3.3 GB KV cache/overhead), leaving ~76.4 GB of the AMD Ryzen AI Max+ 395's 128 GB, at ~46 tok/s (est.), with room for up to 128K context.
Which quantization of Qwen3-Coder should I use on the AMD Ryzen AI Max+ 395?
Qwen3-Coder-Next (80B-A3B MoE) at Q4_K_M quantization needs 51.6 GB at 8K context (48.3 GB weights + 3.3 GB KV cache/overhead), estimated ~46 tokens/sec, up to 128K context.
Every Qwen3-Coder size on the AMD Ryzen AI Max+ 395
| Size | VRAM at 8K | Verdict | Speed |
|---|---|---|---|
| Qwen3-Coder 480B-A35B (MoE) | 291.6 GB | Does not fit | — |
| Qwen3-Coder-Next (80B-A3B MoE) | 51.6 GB | Runs | ~46 tok/s |
| Qwen3-Coder 8B | 6.8 GB | Runs | ~28 tok/s |
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