AMD Radeon RX 7800 XT — Local LLM Performance & Compatibility

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

16 GB VRAM at an excellent AMD price point. 68 t/s on 8B models. Works via ROCm on Linux or Vulkan/DirectML on Windows.

Technical Specifications

VRAM	16 GB
Memory Bandwidth	624 GB/s
TDP	263 W
Architecture	RDNA 3 Navi 32
Release Year	2023
MSRP at Launch	$499
Inference Speed (Llama 3.1 8B Q4_K_M)	~68 tokens/sec

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.

AMD Radeon RX 7800 XT 16GB

Sugerowana cena premierowa: $499

Ceny w 2026 są niestabilne — sprawdź aktualną ofertę.

Sprawdź cenę na Amazon

LLMs Compatible with 16 GB VRAM

All models below run comfortably in 16 GB VRAM with Q4_K_M quantization.

Llama 3.1 Family	6 GB VRAM · Q4_K_M · `ollama run llama3.1`
Qwen 3	10 GB VRAM · Q4_K_M · `ollama run qwen3:14b`
Gemma 3	8 GB VRAM · Q4_K_M · `ollama run gemma3:12b`
Phi-4 Family	9 GB VRAM · Q4_K_M · `ollama run phi4`
Phi-4 Mini	3 GB VRAM · Q4_K_M · `ollama run phi4-mini`
Mistral Family	15 GB VRAM · Q4_K_M · `ollama run mistral-small`
DeepSeek R1	9 GB VRAM · Q4_K_M · `ollama run deepseek-r1:14b`
Qwen 2.5 Family	9 GB VRAM · Q4_K_M · `ollama run qwen2.5:14b`

Best Use Cases

14B models
AMD mid-range
price/performance

Quick Start with Ollama

Install Ollama then run the recommended model for this GPU:

ollama run qwen3:14b

FAQ

Can the AMD Radeon RX 7800 XT run local LLMs?

Yes — the AMD Radeon RX 7800 XT has 16 GB VRAM and runs 16 GB VRAM at an excellent AMD price point. 68 t/s on 8B models. Works via ROCm on Linux or Vulkan/DirectML on Windows.

How fast is the AMD Radeon RX 7800 XT for AI inference?

The AMD Radeon RX 7800 XT runs Llama 3.1 8B at ~68 tokens/sec with Q4_K_M quantization.

What LLMs can I run on 16 GB VRAM?

With 16 GB you can run: Llama 3.1 Family, Qwen 3, Gemma 3, Phi-4 Family, Phi-4 Mini. Use Ollama for the easiest setup: ollama run qwen3:14b.

Can I Run It? — AMD Radeon RX 7800 XT

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VRAM Tier

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Buying Guide

Best GPU Buyer Guide 2026

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