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Compatibility Report

Gemma 3 27B on AMD Radeon Pro W7900

AMD Radeon Pro W7900 runs Gemma 3 27B at Q5_K_M — 9 tok/s. Usable on 48 GB VRAM — see full quantization options below.

Model Size

27.23B

Device VRAM

48 GB

Bandwidth

864 GB/s

Quantization

Q5_K_M

Benchmarks

Performance by Quantization

OwnRig currently has one published compatibility entry for Gemma 3 27B on AMD Radeon Pro W7900 at Q5_K_M. This is the best supported pairing we can stand behind today.

QuantizationSpeedTTFTFits in VRAMRatingConfidence
Q5_K_M9 tok/s1111ms✓ YesAcceptableestimated

Notes

Q5_K_M

AMD workstation card with the best ROCm support in this dataset; best AMD option for larger models. Q5_K_M fits in VRAM on this card.

About Gemma 3 27B

Gemma 3 27B (27.23B) is a chat, coding, reasoning, multi-purpose model. Google's largest open-weight model before Gemma 4. Capable reasoning and instruction following. At 27B parameters, it sits between 8B models (too limited) and 70B models (too expensive). Wide multilingual support. Fits on 24 GB GPUs at Q4.

View all Gemma 3 27B hardware options →

About AMD Radeon Pro W7900

AMD Radeon Pro W7900 has 48 GB at 864 GB/s. Street price: $3,299.

See all models AMD Radeon Pro W7900 can run →

Estimate method: Estimated from m4-pro-48gb compatibility patterns plus ROCm/Vulkan adjustments. Reference hardware source: github.com (2026-03-26)

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.