How much VRAM does SmolVLM 500M Instruct need?

SmolVLM 500M Instruct (0.5B parameters) requires approximately 4.0 GB of memory with Q6_K quantization.

What is the best quantization for SmolVLM 500M Instruct?

The recommended quantization for SmolVLM 500M Instruct is Q6_K, which balances quality and memory efficiency.

Can it run?

Yes, RX 7800 XT 16GB can run SmolVLM 500M Instruct with a C grade (Runs well). Expected decode speed: 471.7 tok/s.

CUsable

Runs well

Using Q6_K in Ollama

Capabilities:

Fit status

Runs well

Decode

471.7 tok/s

TTFT

410 ms

Safe context

64K

Memory

4.0 GB / 16.0 GB

Weights0.4 GB

KV Cache0.8 GB

Runtime1.2 GB

Headroom1.6 GB

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	C	Runs well	406.2 tok/s	693 ms	128K
Chat	C	Runs well	406.2 tok/s	350 ms	32K
Coding	C	Runs well	471.7 tok/s	410 ms	64K
RAG	C	Runs well	406.2 tok/s	867 ms	128K
Reasoning	C	Runs well	406.2 tok/s	563 ms	64K

How SmolVLM 500M Instruct (0.5B params) fits at each quantization level on RX 7800 XT 16GB (16.0 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	0.2 GB	Low	D30
Q3_K_S	3	0.2 GB	Low	D30
NVFP4	4

HuggingFace

huggingface-cli download hf-ggml-org--smolvlm-500m-instruct-gguf

Upgrade options

MacBook Pro M4 32GBBudget pick

C90.7 tok/s decode

~$799 MSRP

MacBook Air M4 24GBBest value

C90.7 tok/s decode

~$1,099 MSRP