Gemma 4 on Amazon SageMaker: QAT Weights Decode 2.05x Faster Than bf16 on One L4 - DEV Community
A short background on SageMaker real-time endpoints, then a measured comparison of Gemma 4 E2B's QAT w4a16 checkpoint against the full-size bf16 release on the same NVIDIA L4 endpoint: decode speed, parallel throughput, answers and cost.