GoogleGemma 3 27B on AMD Radeon RX 7900 XTX
Yes — AMD Radeon RX 7900 XTX handles Gemma 3 27B well at Q4_K_M — 15 tok/s. Solid daily-driver performance on 24 GB VRAM.
Model Size
27.23B
Device VRAM
24 GB
Bandwidth
960 GB/s
Quantization
Q4_K_M
Performance by Quantization
OwnRig currently has one published compatibility entry for Gemma 3 27B on AMD Radeon RX 7900 XTX at Q4_K_M. This is the best supported pairing we can stand behind today.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q4_K_M | 15 tok/s | 523ms | ✓ Yes | Good | estimated |
Notes
Q4_K_M
ROCm can run large models well on RDNA 3, though CUDA equivalents still have broader tooling support. Q4_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 RX 7900 XTX
AMD Radeon RX 7900 XTX has 24 GB at 960 GB/s. Street price: $849.
See all models AMD Radeon RX 7900 XTX can run →Builds with AMD Radeon RX 7900 XTX
Estimate method: Estimated from rtx-3090 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.