vrfai·Gemma·Gemma4UnifiedForConditionalGeneration

Gemma 4 12B IT NVFP4 — Hardware Requirements & GPU Compatibility

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Gemma 4 12B IT NVFP4 is a 7.7B-parameter open language model from vrfai in the Gemma family. It supports a context window of up to 131,072 tokens. At Q4_K_M it needs about 5.68 GB of VRAM — see which GPUs and Macs can run it below.

787 downloads 3 likes131K context

Specifications

Publisher
vrfai
Family
Gemma
Parameters
7.7B
Architecture
Gemma4UnifiedForConditionalGeneration
Context Length
131,072 tokens
Vocabulary Size
262,144
Release Date
2026-06-06

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How Much VRAM Does Gemma 4 12B IT NVFP4 Need?

Select a quantization to see compatible GPUs below.

QuantizationBitsVRAM
Q2_K3.404.3 GB
Q4_K_M4.805.7 GB
Q6_K6.607.4 GB
Q8_08.008.8 GB

Which GPUs Can Run Gemma 4 12B IT NVFP4?

Q4_K_M · 5.7 GB

Gemma 4 12B IT NVFP4 (Q4_K_M) requires 5.7 GB of VRAM to load the model weights. For comfortable inference with headroom for KV cache and system overhead, 8+ GB is recommended. Using the full 131K context window can add up to 47.6 GB, bringing total usage to 53.3 GB. 35 GPUs can run it, including NVIDIA GeForce RTX 5090, NVIDIA GeForce RTX 3090 Ti, NVIDIA GeForce RTX 3070 Ti.

Which Devices Can Run Gemma 4 12B IT NVFP4?

Q4_K_M · 5.7 GB

33 devices with unified memory can run Gemma 4 12B IT NVFP4, including NVIDIA DGX H100, NVIDIA DGX A100 640GB, MacBook Air 13" M3 (8 GB).

Related Models

Frequently Asked Questions

How much VRAM does Gemma 4 12B IT NVFP4 need?

Gemma 4 12B IT NVFP4 requires 5.7 GB of VRAM at Q4_K_M, or 8.8 GB at Q8_0. Full 131K context adds up to 47.6 GB (53.3 GB total).

VRAM = Weights + KV Cache + Overhead

Weights = 7.7B × 4.8 bits ÷ 8 = 4.6 GB

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

KV Cache + Overhead 48.7 GB (at full 131K context)

VRAM usage by quantization

5.7 GB
53.3 GB

Learn more about VRAM estimation →

What's the best quantization for Gemma 4 12B IT NVFP4?

For Gemma 4 12B IT NVFP4, Q4_K_M (5.7 GB) offers the best balance of quality and VRAM usage. Q6_K (7.4 GB) provides better quality if you have the VRAM. The smallest option is Q2_K at 4.3 GB.

VRAM requirement by quantization

Q2_K
4.3 GB
Q4_K_M
5.7 GB
Q6_K
7.4 GB
Q8_0
8.8 GB

★ Recommended — best balance of quality and VRAM usage.

Learn more about quantization →

Can I run Gemma 4 12B IT NVFP4 on a Mac?

Gemma 4 12B IT NVFP4 requires at least 4.3 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 Gemma 4 12B IT NVFP4 locally?

Yes — Gemma 4 12B IT NVFP4 can run locally on consumer hardware. At Q4_K_M quantization it needs 5.7 GB of VRAM. Popular tools include Ollama, LM Studio, and llama.cpp.

How fast is Gemma 4 12B IT NVFP4?

At Q4_K_M, Gemma 4 12B IT NVFP4 can reach ~513 tok/s on AMD Instinct MI300X. On NVIDIA GeForce RTX 4090: ~115 tok/s. Speed depends mainly on GPU memory bandwidth. Real-world results typically within ±20%.

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

Example: AMD Instinct MI300X5300 ÷ 5.7 × 0.55 = ~513 tok/s

Estimated speed at Q4_K_M (5.7 GB)

~513 tok/s
~115 tok/s
~384 tok/s
~317 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 Gemma 4 12B IT NVFP4?

At Q4_K_M, the download is about 4.63 GB. The full-precision Q8_0 version is 7.71 GB. The smallest option (Q2_K) is 3.28 GB.

Which GPUs can run Gemma 4 12B IT NVFP4?

35 consumer GPUs can run Gemma 4 12B IT NVFP4 at Q4_K_M (5.7 GB). Top options include AMD Radeon RX 6700 XT, AMD Radeon RX 6800, AMD Radeon RX 6800 XT, AMD Radeon RX 7600. 28 GPUs have plenty of headroom for comfortable inference.

Which devices can run Gemma 4 12B IT NVFP4?

33 devices with unified memory can run Gemma 4 12B IT NVFP4 at Q4_K_M (5.7 GB), including Mac Mini M4 (16 GB), Mac Mini M4 (32 GB), Mac Mini M4 Pro (24 GB), Mac Mini M4 Pro (48 GB). Apple Silicon Macs use unified memory shared between CPU and GPU, making them well-suited for local LLM inference.