AMD Radeon RX 9070 XT — Local LLM Performance & Compatibility

作者: Jakub Rusinowski · 最后更新: 2026年7月12日

AMD全新RDNA 4架构(2025年)。出色的ROCm + Vulkan支持。8B模型92 t/s,性能超越RTX 4070 Ti。AMD爱好者的超值之选。

Technical Specifications

VRAM16 GB
Memory Bandwidth717 GB/s
TDP220 W
ArchitectureRDNA 4 Navi 48
Release Year2025
MSRP at Launch$599
Inference Speed (Llama 3.1 8B Q4_K_M)46–95 tok/s (estimated)
Inference Speed (Llama 3.3 70B Q4_K_M)Does not fit — needs ~44 GB of 16 GB usable
Buy This HardwareAMD Radeon RX 9070 XT 16GB — 16 GB VRAM · 220 W board powerDeploy in the Cloud NowRTX 4090 on RunPod — from $0.34/hr · rate checked 2026-07

or compare on Vast.ai from $0.35/hr (typical low · varies)

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AMD Radeon RX 9070 XT 16GB
16 GB VRAM · 220 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

LLMs Compatible with 16 GB VRAM

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

Llama 3.1 FamilyLlama 3.1 8B Instruct · 6 GB VRAM · Q4_K_M · ollama run llama3.1
Qwen 3Qwen 3 14B · 10 GB VRAM · Q4_K_M · ollama run qwen3:14b
Gemma 3Gemma 3 12B Instruct · 8 GB VRAM · Q4_K_M · ollama run gemma3:12b
Phi-4 FamilyPhi-4 (14B) · 9 GB VRAM · Q4_K_M · ollama run phi4
Phi-4 MiniPhi-4 Mini (3.8B) · 3 GB VRAM · Q4_K_M · ollama run phi4-mini
Mistral FamilyMistral Small 3 (24B) · 15 GB VRAM · Q4_K_M · ollama run mistral-small
DeepSeek R1DeepSeek R1 Distill Qwen 14B · 9 GB VRAM · Q4_K_M · ollama run deepseek-r1:14b
Qwen 2.5 FamilyQwen 2.5 14B Instruct · 9 GB VRAM · Q4_K_M · ollama run qwen2.5:14b

Best Use Cases

Quick Start with Ollama

Install Ollama then run the recommended model for this GPU:

ollama run qwen3:14b

FAQ

Can the AMD Radeon RX 9070 XT run local LLMs?

Yes — the AMD Radeon RX 9070 XT has 16 GB VRAM and runs AMD全新RDNA 4架构(2025年)。出色的ROCm + Vulkan支持。8B模型92 t/s,性能超越RTX 4070 Ti。AMD爱好者的超值之选。

How fast is the AMD Radeon RX 9070 XT for AI inference?

The AMD Radeon RX 9070 XT is estimated to run Llama 3.1 8B at 46–95 tok/s with Q4_K_M quantization. Llama 3.3 70B does not fit: it needs about 44 GB against 16 GB usable. These are modelled estimates, not measurements — see /en/methodology.

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 9070 XT

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