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Compatibility Report

Gemma 3 4B on AMD Radeon RX 9070

Yes — AMD Radeon RX 9070 handles Gemma 3 4B well at Q5_K_M — 34 tok/s. Solid daily-driver performance on 16 GB VRAM.

Model Size

4.3B

Device VRAM

16 GB

Bandwidth

640 GB/s

Quantization

Q5_K_M

Benchmarks

Performance by Quantization

OwnRig currently has one published compatibility entry for Gemma 3 4B on AMD Radeon RX 9070 at Q5_K_M. This is the best supported pairing we can stand behind today.

QuantizationSpeedTTFTFits in VRAMRatingConfidence
Q5_K_M34 tok/s205ms✓ YesGoodestimated

Notes

Q5_K_M

RDNA 4 card with improving ROCm support; Vulkan remains the safer default in llama.cpp. Q5_K_M fits in VRAM on this card.

About Gemma 3 4B

Gemma 3 4B (4.3B) is a chat, coding model. Compact Gemma 3 model for chat and light coding on low-VRAM hardware.

View all Gemma 3 4B 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 m4-16gb 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.