DeepSeek R1 Distill Qwen 1.5B — Hardware Requirements & GPU Compatibility
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DeepSeek R1 Distill Qwen 1.5B is a 1.5B-parameter open language model from litert-community in the DeepSeek R1 family. At Q4_K_M it needs about 0.99 GB of VRAM — see which GPUs and Macs can run it below.
32.8K downloads
35 likesSpecifications
- Publisher
- litert-community
- Family
- DeepSeek R1
- Parameters
- 1.5B
- Release Date
- 2025-02-14
- License
- MIT
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How Much VRAM Does DeepSeek R1 Distill Qwen 1.5B Need?
Select a quantization to see compatible GPUs below.
| Quantization | Bits | VRAM | + Context | File Size | Quality |
|---|---|---|---|---|---|
| Q2_Kest. | 3.40 | 0.7 GB | — | 0.64 GB | 2-bit quantization with K-quant improvements |
| Q3_K_Mest. | 3.90 | 0.8 GB | — | 0.73 GB | 3-bit medium quantization |
| Q4_K_Mest. | 4.80 | 1.0 GB | — | 0.90 GB | 4-bit medium quantization — most popular sweet spot |
| Q5_K_Mest. | 5.70 | 1.2 GB | — | 1.07 GB | 5-bit medium quantization — good quality/size tradeoff |
| Q6_Kest. | 6.60 | 1.4 GB | — | 1.24 GB | 6-bit quantization, very good quality |
| Q8_0est. | 8.00 | 1.6 GB | — | 1.50 GB | 8-bit quantization, near-lossless |
| BF16est. | 16.00 | 3.3 GB | — | 3.00 GB | Brain floating point 16 — preferred for training |
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 DeepSeek R1 Distill Qwen 1.5B?
Q4_K_M · 1.0 GBDeepSeek R1 Distill Qwen 1.5B (Q4_K_M) requires 1.0 GB of VRAM to load the model weights. For comfortable inference with headroom for KV cache and system overhead, 2+ 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 DeepSeek R1 Distill Qwen 1.5B?
Q4_K_M · 1.0 GB59 devices with unified memory can run DeepSeek R1 Distill Qwen 1.5B, including NVIDIA DGX H100, NVIDIA DGX A100 640GB.
Runs great
— Plenty of headroomRelated Models
Frequently Asked Questions
- How much VRAM does DeepSeek R1 Distill Qwen 1.5B need?
DeepSeek R1 Distill Qwen 1.5B requires 1.0 GB of VRAM at Q4_K_M, or 3.3 GB at BF16.
VRAM = Weights + KV Cache + Overhead
Weights = 1.5B × 4.8 bits ÷ 8 = 0.9 GB
KV Cache + Overhead ≈ 0.1 GB (at 2K context + ~0.3 GB framework)
VRAM usage by quantization
Q4_K_M1.0 GB- What's the best quantization for DeepSeek R1 Distill Qwen 1.5B?
For DeepSeek R1 Distill Qwen 1.5B, Q4_K_M (1.0 GB) offers the best balance of quality and VRAM usage. Q5_K_M (1.2 GB) provides better quality if you have the VRAM. The smallest option is Q2_K at 0.7 GB.
VRAM requirement by quantization
Q2_K0.7 GBQ4_K_M ★1.0 GBQ5_K_M1.2 GBQ6_K1.4 GBQ8_01.6 GBBF163.3 GB★ Recommended — best balance of quality and VRAM usage.
- Can I run DeepSeek R1 Distill Qwen 1.5B on a Mac?
DeepSeek R1 Distill Qwen 1.5B requires at least 0.7 GB at Q2_K, 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 DeepSeek R1 Distill Qwen 1.5B locally?
Yes — DeepSeek R1 Distill Qwen 1.5B can run locally on consumer hardware. At Q4_K_M quantization it needs 1.0 GB of VRAM. Popular tools include Ollama, LM Studio, and llama.cpp.
- How fast is DeepSeek R1 Distill Qwen 1.5B?
At Q4_K_M, DeepSeek R1 Distill Qwen 1.5B can reach ~4444 tok/s on AMD Instinct MI350X. On NVIDIA GeForce RTX 4090: ~662 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 ÷ 1.0 × 0.65 = ~5253 tok/s
Estimated speed at Q4_K_M (1.0 GB)
~5253 tok/s~662 tok/s~5253 tok/s~4444 tok/sReal-world results typically within ±20%. Speed depends on batch size, quantization kernel, and software stack.
- What's the download size of DeepSeek R1 Distill Qwen 1.5B?
At Q4_K_M, the download is about 0.90 GB. The full-precision BF16 version is 3.00 GB. The smallest option (Q2_K) is 0.64 GB.
- Which GPUs can run DeepSeek R1 Distill Qwen 1.5B?
50 consumer GPUs can run DeepSeek R1 Distill Qwen 1.5B at Q4_K_M (1.0 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 DeepSeek R1 Distill Qwen 1.5B?
59 devices with unified memory can run DeepSeek R1 Distill Qwen 1.5B at Q4_K_M (1.0 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.