GoogleGemma 3 4B on AMD Radeon RX 7900 XTX
Yes — AMD Radeon RX 7900 XTX handles Gemma 3 4B well at Q8_0. Solid daily-driver performance on 24 GB VRAM.
Model Size
4.3B
Device VRAM
24 GB
Bandwidth
960 GB/s
Quantization
Q8_0
Performance by Quantization
OwnRig currently has one published compatibility entry for Gemma 3 4B on AMD Radeon RX 7900 XTX at Q8_0. This is the best supported pairing we can stand behind today.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q8_0 | – | – | ✓ Yes | Good | estimated |
Notes
Q8_0
ROCm can run large models well on RDNA 3, though CUDA equivalents still have broader tooling support. Q8_0 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 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 model VRAM requirements and AMD runtime maturity. 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.