Can I Run IBM Granite 4.1 on AMD Radeon RX 7900 XTX?

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

Autor: Jakub Rusinowski · Ostatnia aktualizacja: 29 kwietnia 2026

Yes, comfortably — you'll have ~6 GB of headroom running Granite 4.1 30B at FP8 (Q4 est. ~12-15GB, unconfirmed) (18 GB, ~53 tok/s (est.)).

Ujawnienie afiliacyjne: Niektóre odnośniki na tej stronie to linki afiliacyjne — jeśli dokonasz zakupu za ich pośrednictwem, LLM Configurator może otrzymać prowizję bez dodatkowych kosztów dla Ciebie. Jako uczestnik programu Amazon Associates, LLM Configurator zarabia na kwalifikujących się zakupach.

Sprawdź cenę na Amazon — AMD Radeon RX 7900 XTX 24GB

AMD Radeon RX 7900 XTX Specs

VRAM	24 GB
Memory Bandwidth	960 GB/s

Granite 4.1 30B on the AMD Radeon RX 7900 XTX: VRAM by quantization

Quant	VRAM needed	Fits 24 GB?	Max context
F16	70.4 GB	✗ No	—
Q8_0	42.3 GB	✗ No	—
Q6_K	35 GB	✗ No	—
Q5_K_M	31.7 GB	✗ No	—
Q4_K_M	28.5 GB	✗ No	—
Q3_K_M	23.2 GB	✓ Yes	4K
Q2_K	20.3 GB	✓ Yes	4K

VRAM needed assumes a 4K-token context with an f16 KV cache; “Max context” is the largest window that still fits in 24 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.

IBM Granite 4.1 Sizes That Fit the AMD Radeon RX 7900 XTX

Granite 4.1 30B	FP8 (Q4 est. ~12-15GB, unconfirmed) · 18 GB · ~53 tok/s (est.)
Granite 4.1 8B	Q4_K_M · 5 GB · ~192 tok/s (est.)
Granite 4.1 3B	Q4_K_M · 2 GB · ~400 tok/s (est.)

Buy vs. rent IBM Granite 4.1

Buy the GPU

~$999

AMD Radeon RX 7900 XTX · MSRP

Rent by the hour

from $0.34/hr

RTX 4090 (24 GB) class

At 2 hrs/day, buying (~$999) beats renting at $0.34/hr after about 4.1 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