IBM
Granite 3.3 8B
IBM·8B·Granite·128K ctx·2026-08
Model size→Hardware requirement→Actual fit
Granite 3.3 8B needs ~6.1–10.6 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
6.18
Q4_K_M · Est. ~23 tok/sComfortable
12 GB
RTX 4070 · 3060 12G
712
Q5_K_M · Est. ~34 tok/sComfortable
16 GB
RTX 4080 · M-series 16G
10.616
Q8_0 · Est. ~35 tok/sComfortable
24 GB
RTX 4090 · 3090
10.624
Q8_0 · Est. ~54 tok/sComfortable
48 GB
A6000 · 2×24G
10.648
Q8_0 · Est. ~54 tok/sComfortable
02 — Quantizations
QuantFile sizeEst. VRAM
Q4_K_M4.9 GB6.1 GB
Q5_K_M5.8 GB7 GB
Q8_09.4 GB10.6 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.