Can I run Spark-X2.6-4B-FP8 on an RTX 3060 12 GB?

Yes

Its published weights (4.45 GB) fit in the 10.8 GB an RTX 3060 12 GB can use, with room for ≈ 167K tokens of context.

Full analysis of Spark-X2.6-4B-FP8 Everything that runs on RTX 3060 12 GB Get the weights on Hugging Face

hf download XHToken/Spark-X2.6-4B-FP8

Files and context on RTX 3060 12 GB

Each file of Spark-X2.6-4B-FP8 (and of GGUF versions the site has analyzed), and how much context fits next to it, with the context cache in 16-bit or 8-bit.

File	Size	On RTX 3060 12 GB	Context (16-bit)	Context (8-bit)
As published	4.45 GB	Fits	167K	335K
4-bit (estimate)	2.31 GB	Fits	223K	448K

Spark-X2.6-4B-FP8 on other hardware

NVIDIA H100Yes
RTX 5090Yes
RTX 4090Yes
RTX 3090Yes
RTX 5060 Ti 16 GBYes
RTX 3060 12 GBYes
RTX 4060Yes
Mac with 32 GBYes
Mac with 64 GBYes
Mac with 128 GBYes

Popular models that run on RTX 3060 12 GB

Qwen3-0.6BQwen · 752M
gpt2openai-community · 137M
Qwen3-Coder-30B-A3B-Instruct-GGUFunsloth · 30.5B
Qwen2.5-0.5B-InstructQwen · 494M
Qwen2.5-1.5B-InstructQwen · 1.54B
Qwen3-4BQwen · 4.02B
Qwen3.5-4BQwen · 4.66B
Ornith-1.5-9B-GGUFornith-ai · 9.20B

Assumes 90% of the card's memory is usable and at least 4K tokens of context for one conversation, with the context cache in 16-bit unless noted. Fits leaves at least 20% of that memory for context; Tight leaves less.