MicrosoftPhi-4 Mini on AMD Radeon RX 9070
Yes — AMD Radeon RX 9070 handles Phi-4 Mini well at Q8_0 — 120 tok/s. Solid daily-driver performance on 16 GB VRAM.
Model Size
3.82B
Device VRAM
16 GB
Bandwidth
640 GB/s
Quantization
Q8_0
Performance by Quantization
OwnRig currently has one published compatibility entry for Phi-4 Mini on AMD Radeon RX 9070 at Q8_0. This is the best supported pairing we can stand behind today.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q8_0 | 120 tok/s | 37ms | ✓ Yes | Good | estimated |
Notes
Q8_0
RDNA 4 card with improving ROCm support; Vulkan remains the safer default in llama.cpp. Q8_0 fits in VRAM on this card.
About Phi-4 Mini
Phi-4 Mini (3.82B) is a chat, coding, ai coding, reasoning model. Microsoft's tiny powerhouse. Punches well above its weight at 3.8B parameters, competitive with many 7B models on reasoning and coding benchmarks. Extremely fast inference. Ideal as a draft model or for resource-constrained setups.
View all Phi-4 Mini hardware options →About AMD Radeon RX 9070
AMD Radeon RX 9070 has 16 GB at 640 GB/s. Street price: $549.
See all models AMD Radeon RX 9070 can run →Estimate method: Estimated from rtx-4060-ti-16gb compatibility patterns plus ROCm/Vulkan adjustments. Reference hardware source: github.com (2026-04-18)
Performance varies by driver version, inference engine, quantization method, context length, and system configuration. Figures shown are estimates based on community benchmarks and may not reflect your exact setup. Product names are trademarks of their respective owners. OwnRig is independent and not affiliated with any hardware or AI model provider.