DeepSeek·DeepSeek·LlamaForCausalLM

Deepseek Llm 67B Chat — Hardware Requirements & GPU Compatibility

Chat

Deepseek Llm 67B Chat is a 67B-parameter open language model from DeepSeek in the DeepSeek family. It supports a context window of up to 4,096 tokens. At Q4_K_M it needs about 41.30 GB of VRAM — see which GPUs and Macs can run it below.

1.6K downloads 207 likes4K context

Specifications

Publisher
DeepSeek
Family
DeepSeek
Parameters
67B
Architecture
LlamaForCausalLM
Context Length
4,096 tokens
Vocabulary Size
102,400
Release Date
2023-11-29
License
Other

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How Much VRAM Does Deepseek Llm 67B Chat Need?

Select a quantization to see compatible GPUs below.

QuantizationBitsVRAM
Q2_Kest.3.4029.6 GB
Q3_K_Mest.3.9033.8 GB
Q4_K_Mest.4.8041.3 GB
Q5_K_Mest.5.7048.8 GB
Q6_Kest.6.6056.4 GB
Q8_0est.8.0068.1 GB
BF16est.16.00135.1 GB

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 Llm 67B Chat?

Q4_K_M · 41.3 GB

Deepseek Llm 67B Chat (Q4_K_M) requires 41.3 GB of VRAM to load the model weights. For comfortable inference with headroom for KV cache and system overhead, 54+ GB is recommended. Using the full 4K context window can add up to 0.8 GB, bringing total usage to 42.1 GB. No single GPU has enough memory — multi-GPU or cluster setups are needed.

Which Devices Can Run Deepseek Llm 67B Chat?

Q4_K_M · 41.3 GB

27 devices with unified memory can run Deepseek Llm 67B Chat, including NVIDIA DGX H100, NVIDIA DGX A100 640GB, MacBook Pro 16" M4 Max (48 GB).

Frequently Asked Questions

How much VRAM does Deepseek Llm 67B Chat need?

Deepseek Llm 67B Chat requires 41.3 GB of VRAM at Q4_K_M, or 135.1 GB at BF16. Full 4K context adds up to 0.8 GB (42.1 GB total).

VRAM = Weights + KV Cache + Overhead

Weights = 67B × 4.8 bits ÷ 8 = 40.2 GB

KV Cache + Overhead 1.1 GB (at 2K context + ~0.3 GB framework)

KV Cache + Overhead 1.9 GB (at full 4K context)

VRAM usage by quantization

41.3 GB
42.1 GB

Learn more about VRAM estimation →

Can NVIDIA GeForce RTX 5090 run Deepseek Llm 67B Chat?

Yes, at Q2_K (29.6 GB) or lower. Higher quantizations like Q3_K_M (33.8 GB) exceed the NVIDIA GeForce RTX 5090's 32 GB.

What's the best quantization for Deepseek Llm 67B Chat?

For Deepseek Llm 67B Chat, Q4_K_M (41.3 GB) offers the best balance of quality and VRAM usage. Q5_K_M (48.8 GB) provides better quality if you have the VRAM. The smallest option is Q2_K at 29.6 GB.

VRAM requirement by quantization

Q2_K
29.6 GB
Q4_K_M
41.3 GB
Q5_K_M
48.8 GB
Q6_K
56.4 GB
Q8_0
68.1 GB
BF16
135.1 GB

★ Recommended — best balance of quality and VRAM usage.

Learn more about quantization →

Can I run Deepseek Llm 67B Chat on a Mac?

Deepseek Llm 67B Chat requires at least 29.6 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 Llm 67B Chat locally?

Yes — Deepseek Llm 67B Chat can run locally on consumer hardware. At Q4_K_M quantization it needs 41.3 GB of VRAM. Popular tools include Ollama, LM Studio, and llama.cpp.

How fast is Deepseek Llm 67B Chat?

At Q4_K_M, Deepseek Llm 67B Chat can reach ~107 tok/s on AMD Instinct MI350X. Speed depends mainly on GPU memory bandwidth. Real-world results typically within ±20%.

tok/s = (bandwidth GB/s ÷ model GB) × efficiency

Example: NVIDIA B2008000 ÷ 41.3 × 0.65 = ~126 tok/s

Estimated speed at Q4_K_M (41.3 GB)

~126 tok/s
~126 tok/s
~107 tok/s

Real-world results typically within ±20%. Speed depends on batch size, quantization kernel, and software stack.

Learn more about tok/s estimation →

What's the download size of Deepseek Llm 67B Chat?

At Q4_K_M, the download is about 40.20 GB. The full-precision BF16 version is 134.00 GB. The smallest option (Q2_K) is 28.48 GB.

Which GPUs can run Deepseek Llm 67B Chat?

No single consumer GPU has enough VRAM to run Deepseek Llm 67B Chat at Q4_K_M (41.3 GB). Multi-GPU or professional hardware is required.

Which devices can run Deepseek Llm 67B Chat?

27 devices with unified memory can run Deepseek Llm 67B Chat at Q4_K_M (41.3 GB), including ASUS Ascent GX10, Asus ROG Flow Z13 (2025, Ryzen AI Max+ 395, 128 GB), Beelink GTR9 Pro (Ryzen AI Max+ 395, 128 GB), Framework Desktop (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.