IBM

Granite 4 1B

IBM·1B·Granite·128K ctx·2026-08

Model sizeHardware requirementActual fit

Granite 4 1B needs ~4.5–7.5 GB of VRAM depending on quantization. The bar is what it needs; the marker is the card's VRAM. Speed figures below are planning estimates.

8 GB

RTX 4060 · 3060 Ti

5.1
8
Q5_K_M · Est. ~20 tok/sComfortable

12 GB

RTX 4070 · 3060 12G

7.5
12
Q8_0 · Est. ~24 tok/sComfortable

16 GB

RTX 4080 · M-series 16G

7.5
16
Q8_0 · Est. ~37 tok/sComfortable

24 GB

RTX 4090 · 3090

7.5
24
Q8_0 · Est. ~57 tok/sComfortable

48 GB

A6000 · 2×24G

7.5
48
Q8_0 · Est. ~57 tok/sComfortable

02  — Quantizations

QuantFile sizeEst. VRAM
Q4_K_M3.3 GB4.5 GB
Q5_K_M3.9 GB5.1 GB
Q8_06.3 GB7.5 GB

03  — Runtimes & use

llama.cpp · Ollama · LM Studio

General · Fast

Memory and speed figures are planning estimates, not measured benchmarks. Memory includes a fixed allowance for KV cache and runtime overhead. Long-context prompts push VRAM use above the numbers shown here.