AMD Radeon RX 7900 XTX — Local LLM Performance & Compatibility

AMD's answer to the RTX 4090. 24 GB VRAM at a lower price. ROCm support is improving. Works great with Ollama on Linux. Slightly slower than RTX 4090 due to ROCm overhead.

Technical Specifications

VRAM24 GB
Memory Bandwidth960 GB/s
TDP355 W
ArchitectureRDNA 3 Navi 31
Release Year2022
MSRP at Launch$999
Inference Speed (Llama 3.1 8B Q4_K_M)~85 tokens/sec
Inference Speed (Llama 3.3 70B Q4_K_M)~20 tokens/sec
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AMD Radeon RX 7900 XTX 24GB
Sugerowana cena premierowa: $999
Ceny w 2026 są niestabilne — sprawdź aktualną ofertę.
Sprawdź cenę na Amazon

LLMs Compatible with 24 GB VRAM

All models below run comfortably in 24 GB VRAM with Q4_K_M quantization.

Llama 3.343 GB VRAM (smallest variant — needs more VRAM or a lower quant) · Q2_K_XS (Tight) · ollama run llama3.3
Llama 3.1 Family6 GB VRAM · Q4_K_M · ollama run llama3.1
DeepSeek R120 GB VRAM · Q4_K_M · ollama run deepseek-r1:32b
Qwen 320 GB VRAM · Q4_K_M · ollama run qwen3:32b
Gemma 317 GB VRAM · Q4_K_M · ollama run gemma3:27b
Mistral Small 3.114 GB VRAM · Q4_K_M · ollama run mistral-small3.1
Phi-4 Family9 GB VRAM · Q4_K_M · ollama run phi4

Best Use Cases

Quick Start with Ollama

Install Ollama then run the recommended model for this GPU:

ollama run deepseek-r1:32b

FAQ

Can the AMD Radeon RX 7900 XTX run local LLMs?

Yes — the AMD Radeon RX 7900 XTX has 24 GB VRAM and runs AMD's answer to the RTX 4090. 24 GB VRAM at a lower price. ROCm support is improving. Works great with Ollama on Linux.

How fast is the AMD Radeon RX 7900 XTX for AI inference?

The AMD Radeon RX 7900 XTX runs Llama 3.1 8B at ~85 tokens/sec with Q4_K_M quantization. For the 70B model it achieves ~20 tokens/sec.

What LLMs can I run on 24 GB VRAM?

With 24 GB you can run: Llama 3.3, Llama 3.1 Family, DeepSeek R1, Qwen 3, Gemma 3. Use Ollama for the easiest setup: ollama run deepseek-r1:32b.

Can I Run It? — AMD Radeon RX 7900 XTX

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