Lenovo 43R1989 memory module vs Lenovo 55Y3715 memory module

Comparison of 43R1989, 55Y3715

11 specifications	A Lenovo 43R1989 memory module Model 43R1989 View product	B Lenovo 55Y3715 memory module Model 55Y3715 View product
Features1 differ
Memory clock speedDiffers	1066 MHz	1333 MHz
Compatible productsKnown for one	ThinkPad X200, X200s, X200si, X201, X201i, X201s	—Unknown — not stated by the source
Memory voltageKnown for one	—Unknown — not stated by the source	1.5 V

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.