AMD Radeon RX 7900 XTX × DeepSeek V3 / R1 671B (MoE)
Can the RX 7900 XTX run DeepSeek V3 / R1 671B (MoE)?
No
No. DeepSeek V3 / R1 671B (MoE) needs at least ~339 GB, but the RX 7900 XTX has ~22.8 GB usable. You would need CPU offloading (much slower) or more memory.
By quantization (8K context)
| Quant | Memory needed | Fits? | Est. tok/s |
|---|---|---|---|
| Q3_K_M | 339 GB | ❌ | — |
| Q4_K_M | 421 GB | ❌ | — |
| Q5_K_M | 494 GB | ❌ | — |
| Q6_K | 572 GB | ❌ | — |
| Q8_0 | 736 GB | ❌ | — |
| F16 | 1384 GB | ❌ | — |
Fastest hardware for DeepSeek V3 / R1 671B (MoE)
- Apple M3 Ultra (80-core GPU, 512GB) — ~9.3 tok/s at Q3_K_M
Rent a GPU instead
DeepSeek V3 / R1 671B (MoE) doesn't fit here? Rent a cloud GPU with enough VRAM by the hour and run it there.
Vast.ai — cheap marketplace GPUs · RunPod — on-demand GPU pods
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