Can I Run Granite 4.2 30B on AMD Radeon RX 7900 XT?

Name: LLM Configurator — GPU VRAM Checker
Author: LLM Configurator

作者： Jakub Rusinowski · 最后更新： 2026年9月11日

Yes. Granite 4.2 30B needs 18.1 GB at Q4_K_M and the AMD Radeon RX 7900 XT has 20 GB, leaving about 1.9 GB of headroom, at roughly 25 tok/s (estimated).

The numbers

Model	Granite 4.2 30B
Parameters	30B
Quantization	Q4_K_M
VRAM needed	18.1 GB
AMD Radeon RX 7900 XT VRAM	20 GB
Verdict	Runs
Estimated speed	~25 tok/s

What to do next

Nothing to change — run it at Q4_K_M. If you want more capability, check whether the next size up also fits.

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Running Granite 4.2 30B on this card:

AMD Radeon RX 7900 XT 20GB

20 GB VRAM · 315 W board power

2026年价格波动较大——请以当前商品页价格为准。

在亚马逊查看价格

Buy vs. rent Granite 4.2 30B

Buy the GPU

~$899

AMD Radeon RX 7900 XT · MSRP

Rent by the hour

from $0.34/hr

RTX 4090 (24 GB) class

At 2 hrs/day, buying (~$899) beats renting at $0.34/hr after about 3.7 years.

Affiliate links — we may earn a commission if you sign up, at no extra cost to you.

RunPod $0.34/hr

Rent on RunPod →

Vast.ai $0.35/hr · typical low · varies

Rent on Vast.ai →

Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.

Other IBM Granite 4.2 sizes on the AMD Radeon RX 7900 XT

Granite 4.2 8B — runs (4.8 GB)
Granite 4.2 3B — runs (1.8 GB)

Granite 4.2 30B on nearby hardware

Intel Arc B580 (12 GB) — does not fit
NVIDIA GeForce RTX 4090 (24 GB) — runs

All IBM Granite 4.2 sizes on the AMD Radeon RX 7900 XT | VRAM calculator for Granite 4.2 30B | AMD Radeon RX 7900 XT GPU page | Check your hardware