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Gemma 3 4B Instruct

Gemma 3 4B Instruct needs roughly 3.1 GB VRAM at Q4_K_M quantization (9.5 GB at FP16). 106 GPUs we track can run it fully in VRAM at 8k context.

106 GPUs run this natively · 1 with CPU offload

Google4B params128k contextGemmaCommercial use ok

Gemma 3 4B Instruct is a 4B parameter dense model developed by Google. Compact multimodal model — vision and text in 4B package.

To run Gemma 3 4B Instruct locally: Q6_K ~4GB — runs on 8GB GPUs with vision support.

Multimodal capabilities at edge-friendly size.

VRAM at each quantization

Assumes 8k context. KV cache grows linearly with context length.

QuantWeightsKV cacheTotal
FP3216.0 GB0.50 GB18.5 GB
BF168.0 GB0.50 GB9.5 GB
FP168.0 GB0.50 GB9.5 GB
Q8_04.0 GB0.50 GB5.0 GB
Q6_Krec3.3 GB0.50 GB4.2 GB
Q5_K_M2.6 GB0.50 GB3.5 GB
Q4_K_M2.3 GB0.50 GB3.1 GB
Q3_K_M1.7 GB0.50 GB2.5 GB
Q2_K1.3 GB0.50 GB2.0 GB
NVFP4cuda2.0 GB0.50 GB2.8 GB

KV cache shown at 8k context (FP16). NVFP4 requires a CUDA GPU. Enable TurboQuant in the calculator to see reduced KV cache estimates.

Benchmarks

MMLU-Pro
43.6

GPUs that run Gemma 3 4B Instruct natively (106)

Plus 1 GPUs that run it with CPU offload (slower)
Hugging Face ↗Ollama ↗Released 2025-03-12

Compare Gemma 3 4B Instruct with other models

Frequently asked questions

What are the VRAM requirements for Gemma 3 4B Instruct?
Gemma 3 4B Instruct requires approximately 3.1 GB of VRAM at Q4_K_M quantization, 5.0 GB at Q8, and 9.5 GB at FP16. These numbers assume 8k context window; VRAM scales linearly with context length due to the KV cache.
How many parameters does Gemma 3 4B Instruct have?
Gemma 3 4B Instruct has 4 billion parameters.
How capable is Gemma 3 4B Instruct?
Gemma 3 4B Instruct has an MMLU-Pro score of 43.6, making it well-suited for lightweight tasks, prototyping, and resource-constrained environments.
Can Gemma 3 4B Instruct run on a 16 GB GPU?
Yes. Gemma 3 4B Instruct needs 3.1 GB at Q4_K_M, which fits in a 16 GB GPU like the RTX 4080 or RTX 4070 Ti Super.
What is the smallest quantization for Gemma 3 4B Instruct that fits in 24 GB of VRAM?
At FP32, Gemma 3 4B Instruct needs 18.5 GB — the highest-quality quantization that fits in 24 GB of VRAM.
What GPU do I need to run Gemma 3 4B Instruct locally?
A 16 GB GPU is enough. At Q4_K_M, Gemma 3 4B Instruct needs 3.1 GB VRAM. Good options: RTX 4080 (16 GB), RTX 4070 Ti Super (16 GB).