LocalLLaMA
Gemma 4 QAT benchmark results (AMD 7900 XTX): faster, less VRAM, no quality loss
I’ve been doing lots of testing back and forth with this 7900xtx. All of my workloads were relying on qwen3.6 models, which are amazing fwiw, but I wanted some diversity in thought. Namely for Honcho workload tiers and differing cron jobs. Not every workload benefits from an agentic-tuned model, so I’ve been testing out Gemma 4 models more. They also dropped quantization-aware training versions of the Gemma 4 family, which reportedly maintain the fidelity of BF16 weights, but with Q4 weights. ...
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