Unverified50% confidenceFactExact time
Quantizing to 4bit reduces the number of weight bytes that must be moved per token, thereby increasing decode speed.
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50%
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Long-term
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10/18/2026
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Related Claims
Unverified4-bit quantization is the balance point between performance and accuracy, while 3-bit can further reduce memory usage.76% similarUnverifiedMemory bandwidth determines generation speed, because autoregressive decoding moves all weights token by token, and the higher the bandwidth, the more tokens generated per second.75% similarUnverifiedOn the same machine and model, the decoding speed difference between low power mode and high power mode is 1.4 to 3.8 times; for example, running Qwen 3.5 35B on Ollama gives 51.9 tokens/s in low power and 107.1 tokens/s in high power.73% similarUnverifiedHardware-accelerated decoding can reduce CPU usage for 4K decoding from 60–80% to below 5%, while significantly lowering power consumption.71% similarUnverifiedINT4 quantization can further compress the KV Cache to 0.5 bytes, but may require calibration data to ensure accuracy.71% similar
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