SmolLM 1.7B — Hardware Requirements & GPU Compatibility
ChatSmolLM 1.7B is the largest model in Hugging Face's first-generation SmolLM family. At 1.7 billion parameters, it delivers solid general-purpose text generation in a compact package that runs easily on entry-level hardware, though it has been superseded by the improved SmolLM2 and SmolLM3 series. This model remains a reasonable choice for applications where proven stability matters more than cutting-edge performance. For most new projects, however, users should consider the SmolLM2 1.7B or SmolLM3 3B models, which offer better quality at comparable or only slightly higher resource requirements.
Specifications
- Publisher
- Hugging Face
- Family
- SmolLM
- Parameters
- 1.7B
- Architecture
- LlamaForCausalLM
- Context Length
- 2,048 tokens
- Vocabulary Size
- 49,152
- Release Date
- 2024-07-14
- License
- Apache 2.0
Get Started
HuggingFace
How Much VRAM Does SmolLM 1.7B Need?
Select a quantization to see compatible GPUs below.
| Quantization | Bits | VRAM | + Context | File Size | Quality |
|---|---|---|---|---|---|
| Q2_K | 3.40 | 1.4 GB | — | 0.73 GB | 2-bit quantization with K-quant improvements |
| Q3_K_S | 3.50 | 1.4 GB | — | 0.75 GB | 3-bit small quantization |
| Q3_K_M | 3.90 | 1.5 GB | — | 0.83 GB | 3-bit medium quantization |
| Q4_K_M | 4.80 | 1.7 GB | — | 1.03 GB | 4-bit medium quantization — most popular sweet spot |
| Q5_K_M | 5.70 | 1.9 GB | — | 1.22 GB | 5-bit medium quantization — good quality/size tradeoff |
| Q6_K | 6.60 | 2.1 GB | — | 1.41 GB | 6-bit quantization, very good quality |
| Q8_0 | 8.00 | 2.4 GB | — | 1.71 GB | 8-bit quantization, near-lossless |
est.= calculated VRAM estimate; no published GGUF file found for that quantization yet. Other rows are verified against real community uploads.
Which GPUs Can Run SmolLM 1.7B?
Q4_K_M · 1.7 GBSmolLM 1.7B (Q4_K_M) requires 1.7 GB of VRAM to load the model weights. For comfortable inference with headroom for KV cache and system overhead, 3+ GB is recommended. 50 GPUs can run it, including NVIDIA GeForce RTX 5090, NVIDIA GeForce RTX 3090 Ti.
Runs great
— Plenty of headroomWhich Devices Can Run SmolLM 1.7B?
Q4_K_M · 1.7 GB59 devices with unified memory can run SmolLM 1.7B, including NVIDIA DGX H100, NVIDIA DGX A100 640GB.
Runs great
— Plenty of headroomWhere to Download SmolLM 1.7B
Community quantizations of this model — GGUF for llama.cpp, Ollama, and LM Studio, plus AWQ/MLX variants where available.
Benchmarks
Benchmark details →Related Models
Frequently Asked Questions
- How much VRAM does SmolLM 1.7B need?
SmolLM 1.7B requires 1.7 GB of VRAM at Q4_K_M, or 4.1 GB at BF16.
VRAM = Weights + KV Cache + Overhead
Weights = 1.7B × 4.8 bits ÷ 8 = 1 GB
KV Cache + Overhead ≈ 0.7 GB (at 2K context + ~0.3 GB framework)
VRAM usage by quantization
Q4_K_M1.7 GB- What's the best quantization for SmolLM 1.7B?
For SmolLM 1.7B, Q4_K_M (1.7 GB) offers the best balance of quality and VRAM usage. Q5_K_S (1.9 GB) provides better quality if you have the VRAM. The smallest option is IQ3_XS at 1.4 GB.
VRAM requirement by quantization
IQ3_XS1.4 GBIQ3_M1.5 GBIQ4_XS1.6 GBQ4_K_M ★1.7 GBQ5_K_M1.9 GBBF164.1 GB★ Recommended — best balance of quality and VRAM usage.
- Can I run SmolLM 1.7B on a Mac?
SmolLM 1.7B requires at least 1.4 GB at IQ3_XS, which exceeds the unified memory of most consumer Macs. You would need a Mac Studio or Mac Pro with a high-memory configuration.
- Can I run SmolLM 1.7B locally?
Yes — SmolLM 1.7B can run locally on consumer hardware. At Q4_K_M quantization it needs 1.7 GB of VRAM. Popular tools include Ollama, LM Studio, and llama.cpp.
- How fast is SmolLM 1.7B?
At Q4_K_M, SmolLM 1.7B can reach ~2543 tok/s on AMD Instinct MI350X. On NVIDIA GeForce RTX 4090: ~379 tok/s. Speed depends mainly on GPU memory bandwidth. Real-world results typically within ±20%.
tok/s = (bandwidth GB/s ÷ model GB) × efficiency
Example: NVIDIA B200 → 8000 ÷ 1.7 × 0.65 = ~3006 tok/s
Estimated speed at Q4_K_M (1.7 GB)
~3006 tok/s~379 tok/s~3006 tok/s~2543 tok/sReal-world results typically within ±20%. Speed depends on batch size, quantization kernel, and software stack.
- What's the download size of SmolLM 1.7B?
At Q4_K_M, the download is about 1.03 GB. The full-precision BF16 version is 3.42 GB. The smallest option (IQ3_XS) is 0.71 GB.
- Which GPUs can run SmolLM 1.7B?
50 consumer GPUs can run SmolLM 1.7B at Q4_K_M (1.7 GB). Top options include AMD Radeon RX 6700 XT, AMD Radeon RX 6800, AMD Radeon RX 6800 XT. 50 GPUs have plenty of headroom for comfortable inference.
- Which devices can run SmolLM 1.7B?
59 devices with unified memory can run SmolLM 1.7B at Q4_K_M (1.7 GB), including AMD Ryzen AI 9 HX 370 (Strix Point) Laptop, ASUS Ascent GX10, Apple iPhone 17 Pro, Asus ROG Flow Z13 (2025, Ryzen AI Max+ 395, 128 GB). Apple Silicon Macs use unified memory shared between CPU and GPU, making them well-suited for local LLM inference.