Lenovo 43R2020 Notebook Memory vs Lenovo 73P3845 memory module

Comparison of 43R2020 Notebook Memory, 73P3845

9 specifications	A Lenovo 43R2020 Notebook MemoryView product	B Lenovo 73P3845 memory module Model 73P3845 View product
Features1 differ
Memory clock speedDiffers	667 MHz	533 MHz
ECCKnown for one	—Unknown — not stated by the source	No
CAS latencyKnown for one	—Unknown — not stated by the source	4
Other featuresidentical
Data transfer rateKnown for one	5300 Mbit/s	—Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows Vista Business/Vista Home Premium	—Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.