Can I Run IBM Granite 4.0 on AMD Radeon RX 7900 XTX?

Written by Jakub Rusinowski · Last updated August 15, 2026

Yes, comfortably — you'll have ~4.7 GB of headroom running Granite 4.0 Small-H 32B-A9B at Q4_K_M (19.32 GB, ~73 tok/s (est.)) with room for up to 16K context.

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AMD Radeon RX 7900 XTX 24GB
Launch MSRP: $999
2026 prices are volatile — check the current listing.
Check price on Amazon

AMD Radeon RX 7900 XTX Specs

VRAM24 GB
Memory Bandwidth960 GB/s

Granite 4.0 Small-H 32B-A9B on the AMD Radeon RX 7900 XTX: VRAM by quantization

QuantVRAM neededFits 24 GB?Max context
F1665.7 GB✗ No
Q8_035.7 GB✗ No
Q6_K28 GB✗ No
Q5_K_M24.4 GB✗ No
Q4_K_M21 GB✓ Yes16K
Q3_K_M15.4 GB✓ Yes32K
Q2_K12.2 GB✓ Yes32K

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 4.0 Sizes That Fit the AMD Radeon RX 7900 XTX

Granite 4.0 Small-H 32B-A9BQ4_K_M · 19.32 GB · ~73 tok/s (est.)
Buy vs. rent IBM Granite 4.0
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.

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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.

FAQ

Is the AMD Radeon RX 7900 XTX enough to run IBM Granite 4.0 locally?

Yes, comfortably — you'll have ~4.7 GB of headroom running Granite 4.0 Small-H 32B-A9B at Q4_K_M (19.32 GB, ~73 tok/s (est.)) with room for up to 16K context.

What's the best IBM Granite 4.0 size for the AMD Radeon RX 7900 XTX?

Granite 4.0 Small-H 32B-A9B at Q4_K_M quantization (19.32 GB), estimated ~73 tokens/sec, up to 16K context.

IBM Granite 4.0 on Other GPUs

Popular Models on the AMD Radeon RX 7900 XTX

VRAM Tier

Troubleshooting

Buying Guide

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