text model · Qwen2.5 · Windows
Can I run Qwen2.5 72B on AMD Radeon RX 7900 XTX (24GB)?
No. Qwen2.5 72B needs ~50.2 GB even at Q4_K_M, but AMD Radeon RX 7900 XTX (24GB) only has ~23 GB usable.
Needs ~50.2 GB even at Q4_K_M, but only ~23 GB is usable.
- Q4_K_M needed
- ~50.2 GB
- Usable on device
- ~23 GB
- Device memory
- 24 GB
- Parameters
- 72B
- Q4_K_M size
- 47.42 GB
- Q8_0 size
- 77.26 GB
- Context
- 128k
- Ollama tag
- qwen2.5:72b
- Memory
- 24 GB vram
- Usable for weights
- ~23 GB
- Best runtime
- Ollama (ROCm) / llama.cpp ROCm (Linux)
What you can run instead
Run Qwen2.5 72B on other hardware
FAQ
Can AMD Radeon RX 7900 XTX (24GB) run Qwen2.5 72B?
No. Qwen2.5 72B needs ~50.2 GB even at Q4_K_M, but AMD Radeon RX 7900 XTX (24GB) only has ~23 GB usable.
How much memory does Qwen2.5 72B need?
AMD Radeon RX 7900 XTX (24GB) does not have enough memory. At Q4_K_M the weights are ~47.42 GB; with KV cache and runtime overhead, budget ~50.2 GB at a 4k context.
What is the best tool to run Qwen2.5 72B on Windows?
LM Studio for a simple setup; Ollama (CUDA) for the most speed. AMD GPUs run via Vulkan/ROCm at roughly half CUDA throughput. NVIDIA is the smooth path on Windows.
Sources
Memory figures are estimates. See methodology.