Snapdragon Chipsets Show 71-93% INT8 Accuracy Variance
Same INT8 ONNX model tested on 5 Snapdragon chipsets yields accuracy from 93% (8 Gen 3) to 71% (4 Gen 2), vs 94% cloud. Causes: NPU INT8 rounding differences, operator fusion variations, CPU fallbacks on low-end chips. Highlights need for hardware-specific on-device testing.




