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text model · SmolLM2 · Windows

Can I run SmolLM2 1.7B on AMD Radeon RX 7900 XTX (24GB)?

Compatibility verdict VRAM threshold engine
Yes, it runs GPU accelerated ~589 tok/s est.

Yes. SmolLM2 1.7B runs on AMD Radeon RX 7900 XTX (24GB) at Q4_K_M (~2.2 GB of ~23 GB usable).

Needs ~2.2 GB Device usable ~23 GB

Runs at Q4_K_M using ~2.2 GB of ~23 GB usable. You have room for FP16 for higher quality.

That figure is at a 4k context and moves about ±15% as context length changes. AMD Radeon RX 7900 XTX (24GB) leaves ~20.8 GB of headroom, room to step up to FP16 for higher quality.

Q4_K_M needed
~2.2 GB
Usable on device
~23 GB
Device memory
24 GB
Best quant
Q4_K_M
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Which quant fits

Quant ladder vs ~23 GB usable
Q2_K
~1.8 GB
Q3_K_M
~1.9 GB
Q4_K_M
~2.2 GB
Q5_K_M
~2.3 GB
Q6_K
~2.5 GB
Q8_0
~2.9 GB
FP16
~4.5 GB
The line marks AMD Radeon RX 7900 XTX (24GB)'s ~23 GB budget; rungs past it are too large.

Running cost · estimate

Power & economics est.
Power draw
~355 W
Electricity / 1M tokens
~$0.03
Pays for itself after
~2,126M tok

At ~$0.15/kWh and the estimated ~589 tok/s, a million generated tokens costs about $0.03 in electricity. Versus a hosted API at ~$0.5 per million tokens, the ~$999 AMD Radeon RX 7900 XTX (24GB) pays for itself after roughly 2,126 million tokens, so local hardware is mostly a fixed cost, not a per-token one. TDP is the peak draw, so this is an upper bound. Assumptions.

Run it

Install commands Windows

Pick your tool. All 3 load the same Q4_K_M weights.

Ollama
$ ollama run smollm2:1.7b
llama.cpp
$ llama-cli -hf bartowski/SmolLM2-1.7B-Instruct-GGUF:Q4_K_M
LM Studio
$ lms get bartowski/SmolLM2-1.7B-Instruct-GGUF
Model SmolLM2
Parameters
1.7B
Q4_K_M size
1.06 GB
Q8_0 size
1.82 GB
Context
8k
Ollama tag
smollm2:1.7b
Full SmolLM2 1.7B requirements →
Device Windows
Memory
24 GB vram
Usable for weights
~23 GB
Power draw
~355 W
Best runtime
Ollama (ROCm) / llama.cpp ROCm (Linux)
Best models for AMD Radeon RX 7900 XTX (24GB) →

You could also run

Run SmolLM2 1.7B on other hardware

FAQ

Can AMD Radeon RX 7900 XTX (24GB) run SmolLM2 1.7B?

Yes. SmolLM2 1.7B runs on AMD Radeon RX 7900 XTX (24GB) at Q4_K_M (~2.2 GB of ~23 GB usable).

How much memory does SmolLM2 1.7B need?

AMD Radeon RX 7900 XTX (24GB) has room to spare. At Q4_K_M the weights are ~1.06 GB; with KV cache and runtime overhead, budget ~2.2 GB at a 4k context.

What is the best tool to run SmolLM2 1.7B 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.

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Sources

Weights are measured from GGUF files; KV cache and overhead are computed, so totals can vary ~15% with context and runtime. Any tok/s is a bandwidth estimate. See methodology.